SOUTH ESK RIVER AND MACQUARIE RIVER FLOOD DATA BOOK Land and Water Management Branch Resource Management and Conservation Division June 2000 South Esk River Flood Data Book This Book Forms a Part of the Requirements for Emergency Management Australia Reporting Liza Fallon David Fuller Bryce Graham Land and Water Management Branch Resource Management and Conservation Division. Report Series WRA 00/03 June 2000. Emergency Management Australia South Esk River Flood Data Book TABLE OF CONTENTS GLOSSARY 4 ACRONYMS 5 1. INTRODUCTION 6 Flood Data Books 6 Data Sources 6 THE ENVIRONMENT 7 Catchments and Drainage Systems 7 Climate and Rainfall 7 3. FLOODING OF THE SOUTH ESK AND MACQUARIE RIVERS 9 4. FLOOD ANALYSIS 15 5. RECORDS OF FLOODING 18 6. NEW RECORDS OF FLOODING 38 2. REFERENCES 39 PLATES Cover Plate: Plate 1: Plate 2: Plate 3: Plate 4: Plate 5: Plate 6: Plate 7: Plate 8: Plate 9: Plate 10: Plate 11: Plate 12: May 1986 – Flooding of the South Esk River at Longford. Pre 1870 – The Macquarie River at Woolmers Estate near Longford. April 1929 – The Macquarie River at Woolmers Estate near Longford. April 1929 – Floodwaters rising above the Stationmaster’s house at Evandale. April 1929 – Floodwaters under the Gorge Bridge at Launceston. April 1929 – Floodwaters around the Tamar Rowing Sheds at Launceston. Pre 1929 – The Perth Bridge before it was destroyed in the 1929 flood. April 1929 – Floodwaters rising up the piers of the Perth Bridge. April 1929 – The flood peak and the Perth Bridge. April 1929 – The remains of the Perth Bridge after the 1929 flood. May 1969 – Flooding at the Rhodes property near Longford. May 1986 – Flooding of the Macquarie River and the Longford oval. April 1989 – Flooding of the South Esk River at Hadspen. Emergency Management Australia South Esk River Flood Data Book GLOSSARY Annual Exceedance Probability (AEP) A measure of the likelihood (expressed as a probability) of a flood reaching or exceeding a particular magnitude. For example, a 1% (AEP) flood has a 1% (or 1 in a 100) chance of occurring or being exceeded at a location in any one year. Australian Height Datum (ADH) Tasmania The datum surface is the mean sea level for 1972 at the tide gauges at Hobart and Burnie. River level heights are benchmarked (marked point in a line of levels) to mean sea level. Catchment The land area that drains into a particular watercourse (river, stream or creek). It can be a natural topographic division of the landscape, although the underlying geological formations may alter the perceived catchment area suggested solely by topography (limestone caves are an example of this). Cumec The basic stream flow unit expressed as cubic metres per second (m3 /s). Discharge The passage of flood flow volume with time. Discharge can be separated into direct runoff (overland flow, interflow and storm flow) and base flow (contributions of ground water spread out over longer periods of time). Ephemeral A transitory event. A channel, stream or river which only flows after a rainfall event. Extreme Flood A rare and unusually severe flood that is greater in magnitude than the 1% AEP event, and possibly approaching the magnitude of the Probable Maximum Flood. Flood Inundations of water over land as a result of overflow from rivers or the inflow of tide. Flood runoff results from short duration highly intense rainfall, long duration low intensity rainfall, snowmelt, failure of dam or levee system, or a combination of these conditions. Flood Plain Land which is covered by water when a river overflows its banks during flooding. The extent of the flood plain will normally be greater than the area covered in a 1% AEP event. Hydraulics The study of water flow in a river and across a flood plain and the evaluation of the river flow characteristics (ie river height and velocity). 4 Emergency Management Australia South Esk River Flood Data Book Hydrology A study of the rainfall-runoff process as it relates to the development of flooding and the derivation of hydrographs for given floods. Inundation The flooding of an area so that it is submerged or covered with water. Probable Maximum Flood (PMF) The flood calculated to be the most severe which is likely to occur at a particular location. Such a flood would result from the most sever combination of critical meteorological and hydrological conditions. Rain Shadow An area that receives relatively little rain due to its location. A rain shadow is often formed in the lee of a mountain range. State Datum (SD) Tasmania The datum surface where the mean sea level at Hobart was determined over a period of thirty years prior to 1905. ACRONYMS BOM - Bureau of Meteorology DPIWE - Department of Primary Industries, Water and Environment DPIF - Department of Primary Industry and Fisheries (replaced by DPIWE) DPI - Department of Primary Industry (replaced by DPIF) EMA - Emergency Management Australia HEC - Hydro Electric Commission IDNDR - International Decade for Natural Disaster Reduction RWSC - Rivers and Water Supply Commission SES - State Emergency Service 5 Emergency Management Australia 1. South Esk River Flood Data Book Introduction Flood Data Books Flood Data Books are an important initiative funded by the International Decade for Natural Disaster Reduction and the Department of Primary Industries, Water and Environment (DPIWE). Flood Data Books are a new concept in flood plain management in Tasmania. The books are a collation of existing information on rural floods and their extent. The information includes photographs, maps of flood extent, flood profiles, and a tabulation of heights reached by floods (where the information is available ). Alternative approaches such as comprehensive but costly floodplain mapping programs are unrealistic for rural areas. Typically the information is not sufficient to undertake these programs, and the areal extent of floods make such projects prohibitively expensive. Flood Data Books will be located in your local government office and are intended to be living documents updated over time to aid in floodplain planning decisions. If large floods occur, a comprehensive photographic record can provide valuable information for future planning at minimal cost. Community groups such as Landcare and Waterwatch, or various farming groups are encouraged to contribute their own flood information to these books to make them as effective as possible for current and future generations. Data Sources Data sources used to compile this Flood Data Book include newspaper articles, media records, official records and reports, internal documents, departmental photographs and anecdotal information. As a number of sources have been used, the accuracy of many of the records cannot be verified and care should be exercised when interpreting the information. In addition, properties identified in this book do not represent a list of areas affected by flooding but are properties where some flood information has been provided to DPIWE. Over time, as additional information is collected and added to this record, the level of accuracy regarding flooding and the locations affected should increase. River level heights are benchmarked (marked point in a line of levels) to mean sea level. In Tasmania, mean sea level was established prior to 1905 and again during 1972. In response to these calculations there have been a number of statewide datum shifts, and two level adjustments were applied in 1979 and 1983. Heights computed in the 1979 adjustment are known as Australian Height Datum (AHD) 79 heights and heights computed in the 1983 adjustment are known as AHD 83 heights (Bowden and Prichard, 1992). As a result, to convert data from the State Datum (SD) system used prior to 1972 to the current AHD system, a conversion factor needs to be applied. In the Hobart region, an approximate conversion of minus 0.165 should be applied to SD data. It is unknown if river level heights in the historical record have been reported as SD or AHD data. As this information has been collated from reports prepared some time ago (often the date can not be verified) it can only be assumed that the SD system applies. 6 Emergency Management Australia 2. South Esk River Flood Data Book The Environment Catchments and Drainage Systems The South Esk Basin is the largest water catchment in Tasmania at approximately 8,900km2 , refer Figure 1. This catchment is made up of three major sub-catchments all of which experience individual environmental conditions (Bobbi et al., 1995). The South Esk catchment to the east covers approximately 3,650km2 and the three main tributaries toward the top of the basin – the Break O’Day River, Saint Pauls River and Nile River, drain it. This river rises in the North Eastern Highlands near Mathinna and passes through the Fingal Valley before draining through the Launceston Tertiary Basin into the River Tamar Estuary at Launceston. At Launceston, tidal influences are notable in the River Tamar Estuary and the mouth of the South Esk River at the Home Reach. To the south, the Macquarie catchment covers approximately 3,800km2 and it is drained by the Macquarie River which rises in two branches (Steane, 1968). The northern branch rises from just south of Lake Leake in broken country and the southern branch rises from Tooms Lake. The combined streams then flow west-northwest before being joined by the Elizabeth River and then Lake River. This somewhat ephemeral river is regulated and flow is supplemented by human activities either from Tooms Lake and Lake Leake, or discharges from the Poatina Power Station, established in 1964. The Macquarie River flows into the South Esk River at Longford. Longford is within the upper part of the large flood plain known as the Hadspen Retarding Basin and when river levels are high water backs up considerably into the Macquarie River as well as spreading out down stream at Longford (Hydro-Electric Commission, 1992). The Meander catchment covers an area of approximately 1,400km2 . Although this catchment contributes flow to the South Esk Basin, flooding in this region has not been analysed in this book as insufficient resources to undertake field work in this area has led to a lack of data. Climate and Rainfall Rainfall is variable across the South Esk Basin and the average annual rainfall ranges from approximately 500mm at Ross in the Macquarie catchment to over 1200mm at Gray on the eastern boundary of the South Esk catchment (Bobbi, et al., 1995). Rainfall in the South Esk catchment is strongly affected by topography with low rainfall to the west and the highest rainfall to the east. The upper Macquarie River catchment is one of the driest areas in Tasmania as it lies in the rain shadow of both the westerly and easterly systems. The area is prone to drought and much of the catchment receives less than 600 mm of rainfall/year. In the Meander catchment there is a significant decrease in rainfall from approximately 1200mm rainfall/year on the slopes of the Great Western Tiers to approximately 750mm rainfall/year at Lake Trevallyn in the east. 7 Emergency Management Australia South Esk River Flood Data Book Figure 1: The South Esk and Macquarie Catchments (Lands Department, 1992). 8 Emergency Management Australia 3. South Esk River Flood Data Book Flooding of the South Esk and Macquarie Rivers Historic flooding throughout Tasmania was first reported in September 1828. At this time, flow down the South Esk River at Launceston was estimated to have been approximately 80% of the flow experienced during the 1929 flood (State Emergency Service, 1990). During this flood, most bridges in the Midlands were carried away and although the bridge at Ross survived, it was completely covered by water. Severe flooding was recorded across the Midlands on the 3rd October 1828 and on the 30th September 1844, the South Esk and Midlands flooded. In 1852, major flooding at Launceston was recorded on the 17th July and this event was considered to be the highest since 1828 (Livingston, 1896). Many road bridges were washed away and floodwaters from the Macquarie River rose 1.5 metres above the parapet of the Ross Bridge. Severe flooding in this region was again recorded on the 11th August 1852 when the North and South Esk Rivers, the Macquarie River and other tributaries rose to unprecedented heights. At this time, floodwaters were considered most destructive in Launceston, and the King’s Bridge at Longford and two arches of the Perth Bridge were washed away. The Ross Bridge was again submerged in August 1854 and in September 1854, heavy rainfall nearly carried the bridge away (State Emergency Service, 1990). On the 16th December 1863, floodwaters rose 40cms above that of the 1929 flood peak in Charles Street, Launceston and this event is considered as possibly the most severe flood to occur here as well as at Campbell Town, Ross and other areas (Hydro-Electric Commission, 1992). During this flood one of the piers on the Perth Bridge was damaged and King’s Bridge at Longford was once again washed away. In 1870, flooding in the South Esk at Longford was recorded on the 9th September and on the 18th May 1872, the flow of this River was considered as probably similar to the 1969 event (State Emergency Service, 1990). Heavy flooding over the Midlands in June 1872 resulted in water rising 1.8 metres over the road at Ross and in December 1875, the Ross Bridge was once again inundated by the Macquarie River. During April 1880, June and November 1889 and July 1893 major flooding on the South Esk and Macquarie Rivers near Launceston, Longford, Campbell Town, Ross and Avoca were recorded. The Marine Hotel was flooded and the Queen’s Wharf was inundated in Launceston during the June 1889 event. In November 1889, flow at Longford and through the Cataract Gorge was considered greater than during the earlier event, however, flood damage in Launceston was less due to lower tides. Plate 1: Pre 1870 – The Macquarie River and pump house at Woolmers Estate near Longford. The Macquarie River is not flooded in this photograph. 9 Emergency Management Australia South Esk River Flood Data Book On the 26th April 1910, severe electrical storms were experienced throughout Tasmania and many roads were blocked by floodwaters. During 1911, flooding was recorded for the South Esk and Macquarie Rivers on the 8th March and at Avoca, the South Esk River was 7.5 metres above its normal river level (State Emergency Service, 1990). Flooding was reported to have caused breaks in the railway line between Tunbridge and Campbell Town on the 20th December 1916. In 1923, the North and South Esk Rivers flooded to inundate flat country from Launceston to Newstead on the 20th May and on the 5th June, the worst flood in 20 years was recorded at Longford. Major flooding was again reported at Longford on 12th October 1926 when the township was isolated from Launceston by floodwaters. At Launceston, low-lying areas were underwater at high tide and buildings were threatened. Extreme and significant flooding was experienced throughout Tasmania on the 4th April 1929. It is reported that the South Esk River rose 9.0 metres above its summer level at Fingal and to 18.0 metres at Evandale – where it was observed that floodwaters rose 2.0 metres higher than the 1852 flood event. An approximate peak discharge of 5000 cumecs at Perth and 4000 cumecs at Longford was estimated for this event (Hydro-Electric Commission, 1992). Longford and Evandale were inundated and lowlying districts in Launceston were flooded to a depth of 3.0 metres or more. Over 4,500 people were reported by the media to have been made homeless during this flood. The Macquarie River at Ross rose 4.2 metres above the summer level and the Ross Bridge was nearly submerged. The main road and railway flooded between Ross and Tunbridge, and bridges were destroyed at Avoca and Fingal. The Perth Bridge was completely destroyed in this flood when it over topped and collapsed. Plate 2: April 1929 – The Macquarie River and pump house at Woolmers Estate near Longford. Floodwaters are receding in this photograph and an accurate flood peak height is located inside the building. 10 Emergency Management Australia South Esk River Flood Data Book Plate 3: April 1929 – Floodwaters rising above the Stationmaster's house at Evandale (to the extreme left). The goods shed, the Evandale Station and the pump house (in the middle of the frame). Plate 4: April 1929 – This photograph details floodwaters under the Cataract Gorge Bridge at Launceston on the 7th April 1929. Plate 5: April 1929 – The Gorge Rock Gardens at Launceston detailing floodwaters swirling around the Tamar Rowing Sheds. 11 Emergency Management Australia South Esk River Flood Data Book Plate 6: Pre 1929 – This photograph has been copied from the Weekly Courier and pictured is the Perth Bridge before it was destroyed in the 1929 flood. Plate 7: April 1929 – This photograph has been copied from the Weekly Courier and here, floodwaters are rising up the piers of the Perth Bridge. Plate 8: April 1929 – The flood peak and the Perth Bridge very shortly before the bridge’s collapse. Floodwaters rose 15cms above the stone wall. Plate 9: April 1929 – The remains of the Perth Bridge after the 1929 flood. 12 Emergency Management Australia South Esk River Flood Data Book The South Esk rose to 6.0 metres above the summer level at Fingal, and to 4.5 metres above the road at Longford on the 19th June 1931. During March 1932 flooding was reported in all northern rivers. In December 1934 the Midlands flooded and in March 1938, heavy rain in the Midlands caused the largest floods since the 1929 event. During July 1944, major flooding was recorded in northern rivers and on the 25th March 1946, the South Esk River rose 7.5 metres at Fingal, 5.0 metres at Symmons Plains and 4.5 metres at King’s Bridge (assumed to be at Longford). Flooding is noted in June 1946 and on the 23rd June 1952, heavy rains (aggravated by snowmelt on the Central Plateau) resulted in widespread flooding. Flooding across the Midlands and on the South Esk River is noted for September and then October 1952, June 1954, July and December 1955, and February 1956. In 1956, severe flooding occurred across the South Esk catchment on the 23rd May and Longford, Hadspen, Mathinna and Rossarden were isolated, and at Symmons Plains the river rose to 4.6 metres. The region once again flooded in June 1956 and the Bass and Midland Highways were closed, and the King’s Bridge at Longford and the Esk Bridge at Evandale were submerged. Flooding was reported on the Macquarie River at Baskerville in 1957 when floodwaters rose 4.5 metres above the summer level. In August 1958, the main railway line from Hobart to Launceston was closed by floodwaters and during October of the same year, major flooding was reported for the South Esk River. Extreme flooding on the 23rd April 1960 resulted in widespread floodwaters on all Tasmanian rivers. At this time, the Macquarie, Elizabeth, Lake and Liffey Rivers were particularly affected and families were evacuated from the Ross and Liffey areas. The Macquarie River below Ross broke its banks and flooded an area 3.0 kilometres across in places and Longford was isolated. The South Esk River and the Midlands flooded once again in May and July 1960, December 1961, July, August and September 1962, February 1964 and July 1966. The Midland, Tasman, Bass and Lake Highways were cut, Longford was isolated and floodwaters covered King’s Bridge in September 1966. Flooding is recorded throughout Tasmania in August 1968, and on the 30th May 1969, the most severe flood since April 1929 was recorded across the South Esk Basin, particularly at Launceston (Department of Public Works, 1970). The South Esk rose to 8.0 metres at Longford, 10.5 metres at Avoca and 5.3 metres at Symmons Plains. During this event, Avoca, Rossarden, Storys Creek, Mathinna and Mangana were isolated. At Longford, 65 houses were inundated by rising floodwaters and over 250 people were evacuated from the area. Plate 10: May 1969 – This photograph was taken from the rear of the Rhodes homestead near Longford at approximately the flood maximum. 13 Emergency Management Australia South Esk River Flood Data Book Moderate flooding occurred across the Midlands in August and October 1969, and March and June 1970. In 1974, flooding occurred on all northern rivers on the 27th April and on the 7th July, major flooding was reported throughout the South Esk catchment. The Royal George Road was cut in several places and the Story Creek Road was 3.0 metres underwater. Longford was saved from flooding during this flood by levee banks completed in 1973, however, the township was only accessible via Bishopsbourne. Flooding is noted on the South Esk River in July, August and November 1975. Major flooding occurred across the South Esk catchment on the 2nd June 1978 and 13 homes were evacuated. During June 1981, moderate flooding was reported in the Fingal Valley. Launceston received 31mm of rainfall in 6 hours on the 20th February, which resulted in flooding at the intersections of Margaret and Balfour Streets, York and Bathurst Streets and in McHugh Street, Kings Meadows. Flooding occurred in this area again in September, particularly at Longford. In 1986, major flooding was recorded for the South Esk River on the 18th May and during this flood the Fingal Valley flooded, the Esk Bridge at Evandale was underwater, and lower lying areas adjacent to the Longford Caravan Park were inundated. Minor to moderate flooding was reported for the South Esk River in May 1987, September 1988 and April 1989. More recently, flooding occurred in this region during September 1992, December 1993, January 1995 and January 2000. Plate 11: May 1986 – The Macquarie River detailing flooding of the Longford Caravan Park and surrounding area. Plate 12: April 1989 – The South Esk River and the picnic grounds near the Old Bass Highway at Hadspen. Here, the flood peak of a moderate flood is detailed. 14 Emergency Management Australia 4. South Esk River Flood Data Book Flood Analysis Analysis of flooding in the Perth and Longford townships on the South Esk River was completed by the Hydro-Electric Commission, Water Resources Department in the reports titled, Perth – Longford Flood Plain Study (Hydro-Electric Commission, 1992) and the Longford Flood Plain Study Hydraulics Analysis (Hydro-Electric Commission, 1994). In addition, analysis of flooding at Deloraine on the Meander River was completed by the Hydro-Electric Commission, Water Resources Department in the report titled, Deloraine Flood Plain Study (Hydro-Electric Commission, 1997). With reference to these reports, full flood plain maps are available. The following analysis extends this information to the rural areas of the South Esk and Macquarie Catchments. Two major weather systems dominate the South Esk River. Frontal activity from the west brings seasonal rainfall across the South Esk catchment and the occasional intrusion of sub-tropical low-pressure systems from the east carry substantial quantities of rain. As a result, this River is the main source of major flood flows affecting lowlying areas of the Fingal Valley, Longford, Hadspen and Launceston. The upper Macquarie Catchment is one of the driest in Tasmania as it lies in the rain shadow of both the westerly and easterly weather systems. However, westerly low pressure systems do bring cold fronts and high rainfall in late winter – early spring. During these months the Macquarie River often floods, although the severity of these events do not generally cause great loss of property or life (Steane, 1968). The region most affected by flooding of the Macquarie River has been the main road at Ross, where floodwaters have been recorded to a depth of 1.5 metres on occasion. Since the beginning of flood records in Tasmania ten major events have been documented for the period 1828 to 2000. These events occurred in September 1828, May 1852, July 1852, December 1863, May 1872, June 1889, November 1889, July 1893, April 1929 and May 1969. The following table (Table 1) details the largest floods estimated for the South Esk River at Launceston in order of magnitude. Table 1: The largest floods estimated for the South Esk River at Launceston in order of magnitude (Livingston, 1986). During these floods the levee banks at Launceston would have overtopped and caused severe flooding. Rank Date Flood Peak (cumecs) 1 2 3 4 5 6 7 8 Dec 1863 Jul 1852 Apr 1929 Sep 1828 July 1893 May 1969 Nov 1889 May 1872 4625 4190 3964 3300 3160 2670 2670 2430 15 Emergency Management Australia South Esk River Flood Data Book The following table (Table 2) details the grid reference for those properties identified in this Flood Data Book. The properties are located along the South Esk River from the Llewellyn area through to Hadspen, and the Macquarie River near Longford, refer Figure 2. The properties identified do not represent a list of areas affected by flooding for the South Esk and Macquarie Rivers but are properties where some flood information has been provided to DPIWE. Table 2: The location of properties where some information on flooding from the surrounding area has been provided to DPIWE. Property Northing Easting Andora Beams Hollow Bowthorpe Brambletye Clarendon Clyne Vale Entally Esk Farm Esk Vale Evandale Station Fairfield Glen Esk Glendessary Greenside Jessiefield Lochmaben Longford Caravan Park Monds Andafleck Flour Mill Mountford Mr Gatenby’s House, Longford Mr Hart’s House, Evandale Native Point Old Tannery Building Pleasant Banks Railway Ganger’s House, Evandale Redbanks Rhodes Scone Evandale Stationmaster’s House Symmons Plains Vaucluse Winburn Winthorpe Woolmers Estate 5394800 5405600 5401400 5372400 5390800 5379600 5404500 5397600 5379200 5397900 5380900 5375300 5397200 5401400 5399600 5390000 5395500 5395700 5396600 5392400 5394800 5397500 5396800 5395500 5398100 5394800 5391800 5392700 5398100 5390300 5373700 5385700 5392900 5391500 522500 506400 508800 544100 523400 533900 504900 508200 530200 519900 529600 539700 518800 508800 509500 524400 510300 509900 510300 515600 522500 516500 509200 519100 519800 522500 514500 514200 519800 522400 537300 525800 523700 512200 16 Emergency Management Australia Figure 2: South Esk River Flood Data Book The South Esk Basin and the location of properties. 17 Emergency Management Australia 5. South Esk Basin Flood Data Book Records of Flooding The following table (Table 3) lists photographs that detail flooding in the South Esk River and Macquarie River catchments. All photographs listed in this table are held by the Water Assessment and Planning Branch, DPIWE. The photographs detail a number of flood events at various locations and properties along the South Esk and Macquarie Rivers and associated tributaries. The table includes the grid reference of each location photographed, comments and an estimate of the flood frequency (AEP) for the event. Each record also includes identifying photographic numbers to enable electronic access of the prints and associated information. Alternatively, the Water Assessment Section holds hardcopies of this Flood Data Book if required. These records cover the period from 1927 to 1989, although one photograph was taken pre-1870 and it details the pump house at Woolmers Estate, Longford. Individuals living along the South Esk and Macquarie rivers at the time of the flood events took many of the photographs and provided a copy of the frames, along with relevant information, to the Land and Water Management Branch. In addition, many photographs in this collection were taken in 1989 and these frames detail the extent of flooding during earlier events. At the time, those people living in the South Esk River area who remembered past flooding were asked to mark the height to which floodwaters rose on their properties or the surrounding area. Flooding is first detailed in the photographic record in 1927 when floodwaters at the Perth Bridge and the Richies Flour Mill at Perth was recorded. The April 1929 flood is detailed next and this event is well recorded photographically. At this time, flooding on the South Esk River is detailed from the Conara area through to Epping Forest, Nile, Evandale, Perth, Longford, Hadspen, and down to the River Tamar at Launceston. During this extreme flood the Perth Bridge was completely destroyed and Hadspen, Longford, Evandale, Perth and Ross were inundated. Longford experienced substantial flooding and here, floodwaters from both the South Esk and Macquarie Rivers are detailed in this list. At Launceston, the Cataract Gorge is photographed in full flood, as is submerged low-lying areas and the flooded wharf region. In May 1969, the most severe flood since April 1929 occurred and the extent of this event is recorded in the photographic record. Flooding is detailed for the South Esk River from the Conara area through to Epping Forest, Nile, Evandale, Perth, Longford and Hadspen. Significant flooding of properties located along the South Esk River is recorded, as exemplified by floodwaters at the Rhodes property. At Perth, floodwaters rose to the top of the projecting course of bricks on the bridge and many properties where inundated. Hadspen was also flooded, and this photographic record identifies that floodwaters rose to the windowsill of the last house before the Old Bass Highway. Moderate flooding is recorded in this list at Perth in July 1974, when floodwaters rose at the Scone property and in May 1986, flooding was photographed on the South Esk River near Conara, Nile and Perth. At Longford, flooding of the South Esk River and the Macquarie River is detailed. Minor flooding at the picnic grounds near Hadspen was recorded in April 1989, as is the level to which normal floods rise (those that occur every 3 to 4 years) at the Entally and Beams Hollow properties. - 18 - Emergency Management Australia South Esk Basin Flood Data Book Records of Flooding in the South Esk River and Macquarie Catchments Flood Event Flood Frequency AEP Location Region and Property Pre 1870 Missing Record Macquarie River @ Longford Woolmers Estate 1927 1:1.1 South Esk @ Perth Perth Bridge Comments Grid Reference Photo No This photograph details the pump house at Woolmers Estate, Longford. The Macquarie River is not in flood in this frame. E512200 N5391500 MA002 These photographs detail flooding at the Perth Bridge in 1927. E515100 N5396400 SE066 SE071 i) Pictured is the northern side of the bridge during the summer when flows were low. Again, the northern side of the bridge is detailed during the summer period when flows were low. The bridge pictured from the southern side. ii) iii) Perth Bridge SE072 1927 1:1.1 South Esk @ Perth The photograph depicts the Perth Bridge, Mill Race and Flood Gate to Richies Flour Mill at the Scone property. Richies Flour Mill This Mill Race was also used for electricity and it was the first in the Southern Hemisphere. E515100 N5396400 SE070 Apr-29 1:100 Macquarie River @ Longford Woolmers Estate E512100 N5391600 MA001 This photograph details the pump house at Woolmers Estate, Longford. The Macquarie River floodwaters are receding in this picture and an accurate flood level mark is located inside the pump house. 19 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No Apr-29 1:100 South Esk River @ Launceston Cataract Gorge Bridge This photograph was taken from the Cataract Gorge Bridge and it details the location where the South Esk Swimming Club once was. E510500 N5412200 SE002 Apr-29 1:100 South Esk River @ Launceston E510900 N5412700 SE003 Apr-29 1:100 South Esk River @ Launceston South Esk Swimming Shed This photograph details the South Esk Swimming Shed a few minutes before it collapsed in the April 1929 flood. E510500 N5412200 SE004 Apr-29 1:100 South Esk River @ Launceston Cataract Gorge Bridge Here, flooding under the Cataract Gorge Bridge is pictured. E510500 N5412200 SE005 Apr-29 1:100 South Esk River @ Launceston Tamar Rowing Sheds This photograph details the Tamar Rowing Sheds from Gorge Rock Gardens. E510500 N5412200 SE006 Apr-29 1:100 South Esk River @ Launceston Invermay Flooding of Invermay, Rasonia and the wharf region is detailed in this photograph. The ship known as the Koranni can be seen pushed up onto the end of the wharf. E510400 N5413300 SE007 E505000 N5404700 SE010 Royal Park Tennis This photograph details the Royal Park Tennis Courts Courts bowling green and croquet lawn under flood (flood is receding). Rasonia Apr-29 1:100 South Esk @ Hadspen Main Street/Bartlett Floodwaters rose to the floor of the hall on the corner of Street Main Street and Bartlett Street, Hadspen as detailed. 20 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No Apr-29 1:100 South Esk @ Longford Jessiefield Floodwaters rose to the foot of the Oak tree pictured and the flood peaked at approximately 4.00 a.m. on the eastern side of Pateena Road, Longford. In the background of the frame is the Jessiefield homestead. E509500 N5399600 SE019 Pateena Road Apr-29 1:100 South Esk @ Longford Pateena Road Floodwaters rose to the floor of the old church on Pateena Road, Longford as detailed. E509100 N5400400 SE020 Apr-29 1:100 South Esk @ Longford Esk Farm In this photograph, floodwaters rose to the point indicated by Johnstone’s feet at Esk Farm. Daffodils planted by Mr Johnstone’s grandmother in this area indicate the April 1929 flood level. E508200 N5397600 SE021 Apr-29 1:100 South Esk @ Longford Wickford Road These photographs detail flooding on Wickford Road, Longford in 1929 when floodwaters rose to the foot of the concrete marker. E507900 N5398600 SE027 SE028 Apr-29 1:100 South Esk @ Longford Longford Railway The April 1929 flood rose half way up the steel trusses on Bridge the Longford Railway Bridge. E510400 N5396200 SE033 Apr-29 1:100 South Esk @ Longford South Esk Country Floodwaters rose to the top floor level of what is now Club known as the South Esk Country Club. During this flood, the occupants escaped by boat from the top floor windows. E509900 N5395700 SE035 21 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Apr-29 1:100 South Esk @ Longford Apr-29 1:100 South Esk @ Longford Cenotaph in Mermorial Park Apr-29 1:100 South Esk @ Longford Apr-29 1:100 Apr-29 Apr-29 Comments Grid Reference Photo No E509900 N5395700 SE036 Floodwaters rose to the covered base of the Cenotaph in Memorial Park, Longford as detailed in this photograph. E510100 N5395200 SE037 Rhodes In this photograph Mr Robert Gatenby indicates with his hands the maximum flood level in 1969 at the back entrance to the Rhodes homestead. The April 1929 flood rose 2 metres higher than the flood peak reached during this later flood event. E514500 N5391800 SE040 South Esk @ Longford Rhodes The April 1929 flood rose to the black mark (in branding oil) located in the old wool shed at the Rhodes property near Longford. E514600 N5391900 SE041 1:100 South Esk @ Longford Rhodes The April 1929 flood rose to the top of the door hinge on the old wool shed as indicated by Mr Gatenby - standing in this photograph at the Rhodes property near Longford. E514600 N5391900 SE042 1:100 South Esk @ Perth Scone Floodwaters rose to the butt of the pine tree detailed in this photograph on the Scone Track. E514800 N5394000 SE054 Monds Andafleck Floodwaters rose to the red mark as indicated in this Flour Mill photograph at the Monds Andafleck Flour Mill. Scone Track 22 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No Apr-29 1:100 South Esk @ Perth Scone These photographs were taken near the South Esk River at the Scone property. E513900 N5392800 SE056 SE057 i) Floodwaters rose to the top of the stain on the wall inside the shearing shed as indicated. Floodwaters rose to 25 cms below the door lintel. ii) Apr-29 1:100 South Esk @ Perth Scone This photograph depicts the old shearers’ quarters on the Scone property. The April 1929 flood rose to the tabletop, as detailed. E514200 N5392700 SE058 Apr-29 1:100 South Esk @ Perth Perth Bridge These photographs were taken at the Perth Bridge and they detail the collapse of the bridge during the 1929 flood. E515200 N5396300 SE060 SE061 i) This photograph was taken on the left bank of the river and the bridge can be seen in the background. Floodwaters rose to the level indicated by Mr Bean’s feet. During April 1929, floodwaters rose to the point 15cms above the wall of the bridge as pictured, just leaving the stone pier cap above the water line. In 1969, the flood came to the top of the projecting course of bricks half way up the bridge’s wall. ii) 23 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No Apr-29 1:100 South Esk @ Perth Perth Bridge These photographs were taken at the Perth Bridge and they detail the collapse of the bridge during the 1929 flood. E515100 N5396300 SE062 SE063 i) This photograph has been copied from the Weekly Courier newspaper and it details the remainder of the bridge after the April 1929 flood had subsided. This photograph has been copied from the Weekly Courier newspaper and it details the bridge before its destruction. This photograph details the approximate height of the flood shortly before the bridge collapsed. This photograph details the remains of the bridge shortly after its destruction. This photograph details floodwaters rising up the bridge during the April 1929 flood. This photograph details the bridge as the flood was rising and it was taken after 4 hours/20 minutes into the flood shortly before the bridge collapsed. This photograph was taken after the collapse of the bridge in the afternoon. This photograph details the bridge from the northwest approach after its collapse. ii) iii) iv) v) vi) vii) viii) Apr-29 1:100 South Esk @ Perth William Street Old Punt Road This photograph was taken on the corner of William Street and Old Punt Road, Perth and it attempts to detail a short post that is not actually visible in the frame. The post is under the conifer to the left of the frame and floodwaters rose up to the post during the April 1929 event. 24 SE064 SE065 SE067 SE068 SE069 SE073 E514800 N5396700 SE075 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Apr-29 1:100 South Esk @ Perth Native Point Comments These photographs were taken at the Native Point Estate. i) Grid Reference Photo No E516500 N5397500 SE077 In this photograph, floodwaters rose to the point indicated by Mr Gibson’s feet. Water rose to the fourth step from the top stairs. In this photograph, floodwaters rose to the point indicated by Mr Gibson’s feet near the old shed. ii) SE079 Apr-29 1:100 South Esk @ Perth Native Point Floodwaters rose to the top of the rock outcrop (centre of the frame) at the Native Point Estate , looking downstream. E516200 N5398700 SE080 Apr-29 1:100 South Esk @ Evandale Glendessary These photographs were taken at the Glendessary Estate. E518800 N5397200 SE081 i) Floodwaters rose to the point indicated by Mr Stancombe’s feet on the riverside of the Glendessary homestead. Floodwaters rose to the rock outcrop at the point indicated by Mr Stancombe’s feet on the riverside of the Glendessary homestead. ii) Apr-29 1:100 South Esk @ Evandale Stationmaster’s House During this flood, water rose above the Stationmaster's house located to the left of the frame. The goods shed, the Evandale Station and the pump house are also detailed to the centre of the frame. This house is not completely covered by the flood and here, approximately 60cms of the roof are detailed. 25 SE082 E519800 N5398100 SE089 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Apr-29 1:100 South Esk @ Evandale Apr-29 1:100 South Esk @ Evandale Region and Property Comments Grid Reference Photo No Railway Ranger’s This photograph records that the April 1929 floodwaters House rose above the Railway Ranger's house at Evandale. This house was eventually split in two and destroyed. E519800 N5398100 SE090 Evandale Station E519900 N5397900 SE091 These photographs record the April 1929 floodwaters rising at the Evandale Station. SE092 i) The fencing on the left, along with the platform and piles were floating when the photograph was taken. Floodwaters rising above the goods shed and the pump house at the Evandale Station. Both buildings where covered by the flood and now, neither building exists. ii) Apr-29 1:100 South Esk @ Evandale Main Road Leighlands Road Apr-29 1:100 South Esk @ Evandale Andora During the April 1929 flood, water was recorded as approaching the house at the bottom corner of the Main Road and Leighlands Road. E519800 N5398100 SE093 This photograph was taken near the Andora property and it records floodwaters rising up to the point indicated by Mr Von Stieglitz’s feet. The wooden stake placed to mark the height of the floodwaters may still be located in the gorse. E522500 N5394800 SE095 26 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Apr-29 1:100 South Esk @ Evandale Redbanks Comments These photographs detail flooding at the old stable on the Redbanks property. Grid Reference Photo No E522500 N5394800 SE096 Nile Road SE097 i) Here, floodwaters rose to the top of the forth plank on the building from the ground. In addition, there is also a mark on the byre inside the old stable. Here, the location of the old stable in relation to Mr Hart’s house on the Nile Road is detailed. Mr Hart’s House ii) Apr-29 1:100 South Esk @ Evandale Redbanks This photograph records the original location of the Redbanks homestead on the banks of the South Esk River. Floodwaters rose well up the walls of the homestead and the occupants where rescued from the roof. The homestead was damaged beyond repair during the April 1929 flood. E521600 N5393700 SE099 Apr-29 1:100 South Esk @ Evandale Winthorpe This photograph details floodwaters rising to approximately the butt of the hawthorn bush (detailed in the centre of the frame) at the Winthorpe property. E523700 N5392900 SE101 Apr-29 1:100 South Esk @ Evandale Symmons Plains These photographs detail flooding at the Symmons Plains homestead. E522400 N5390300 SE102 SE103 i) Floodwaters rose to the lowest step of the garden stone steps in front of the homestead. Floodwaters rose almost to the tennis court surface and to the top of the lawn next to the court’s fence. ii) 27 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Apr-29 1:100 South Esk @ Nile Clarendon Comments These photographs detail flooding at the Clarendon homestead. Grid Reference Photo No E523400 N5390800 SE104 SE105 i) Floodwaters rose to the concrete block in the paddock behind the homestead. Floodwaters rose to the steel peg (now buried) behind the homestead. ii) Apr-29 1:100 South Esk @ Nile Winburn Floodwaters rose to the front door step at the Winburn homestead, as detailed. E525800 N5385700 SE108 Apr-29 1:100 South Esk @ Nile Winburn Floodwaters rose to the windowsill of the old cottage located on the driveway at the Winburn property. E525800 N5385800 SE109 Apr-29 1:100 South Esk @ Epping Forest Esk Vale These photographs were taken at the Esk Vale Estate and they detail that floodwaters rose to the butt of the top-most conifer growing by the old cottage. E530200 N5379200 SE110 i) ii) Apr-29 1:100 South Esk @ Epping Forest Clyne Vale SE111 Looking northwest. Looking southwest (old toilet in the foreground). This photograph details flooding at Mr Robert’s property – Clyne Vale Estate . This flood rose approximately to the hedge growing above the pump house (contained in the steep bank). 28 E533900 N5379600 SE113 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Apr-29 1:100 South Esk @ Conara Vaucluse Apr-29 1:100 South Esk @ Conara Apr-29 1:100 Apr-29 Comments Grid Reference Photo No Floodwaters rose to the base of the concrete block (Flood Level marker) on the Vaucluse property. E537300 N5373700 SE115 Vaucluse This photograph was taken at the Vancluse property looking southwest. During the April 1929 event floodwaters rose to the foot of the marker claimed to have fallen where it stood at the time. E538200 N5375600 SE117 South Esk @ Conara Glen Esk Floodwaters rose to the mantelpiece height at the Glen Esk homestead pictured in this photograph. E539700 N5375300 SE118 1:100 South Esk @ Conara Brambletye Floodwaters rose to the top of the bank (to the right of the frame) on the Brambletye property. E544100 N5372400 SE122 Apr-29 1:100 South Esk @ Conara Brambletye Floodwaters rose half way up the steel post (was barn gauge) on the Brambletye property as indicated. The Brambletye homestead is located in the background of this photograph. E543900 N5372500 SE124 May-69 1:40 South Esk @ Hadspen E504900 N5404500 SE011 Old Bass Highway Floodwaters rose to the window of the last house before Old Bass Highway Bridge on the right bank. 29 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No May-69 1:40 South Esk @ Longford Bowthorpe E508800 N5401400 SE014 Norwich Drive These photographs detail flooding at the Bowthorpe property where floodwaters rose to the corner of the cottage garden. Pateena Road i) Greenside ii) SE016 This photograph was taken from the junction of Norwich Drive and Pateena Road, Longford. This photograph was taken from the entrance to the Greenside property (pump house also detailed). May-69 1:40 South Esk @ Longford Bowthorpe Floodwaters rose up to the road by the first guide post on the left of the frame. The new house in the middle foreground may have been below flood level. The Bowthorpe property is detailed in the far background. E508400 N5401900 SE017 May-69 1:40 South Esk @ Longford Jessiefield Floodwaters rose to the edge of the road at the entrance to the Jessiefield property in Pateena. Mr Hughes’ feet indicate the maximum flood height. E509400 N5399100 SE018 May-69 1:40 South Esk @ Longford Esk Farm In this photograph, floodwaters rose to the hedge on the front lawn at Esk Farm. E508200 N5397600 SE022 May-69 1:40 South Esk @ Longford Wickford Road These photographs detail flooding on Wickford Road, Longford looking east-north-east, when floodwaters rose to 1.5 metres vertically below the foot of the concrete block (Flood Level marker). E507900 N5398600 SE027 30 SE028 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property May-69 1:40 South Esk @ Longford Old Tannery Building Comments These photographs detail flooding at the Old Tannery Building. Grid Reference Photo No E509200 N5396800 SE029 SE030 Tannery Straight i) The 1969 flood rose to the top of the lower windows. Floodwaters rose to the spouting on the main roof of the cottage on Tannery Straight. The Old Tannery Building can be seen in the background. ii) May-69 1:40 South Esk @ Longford Mountford In this photograph, floodwaters rose to the point on the Mountford property as indicated by the feet of Mr Bean and Mr Mackinnon. The pump house is detailed in the background. E510300 N5396600 SE031 May-69 1:40 South Esk @ Longford Mountford In this photograph, floodwaters rose to the point on the Mountford property as indicated by the feet of Mr Bean and Mr Mackinnon. The new bridge can be seen in the background. E510600 N5396200 SE032 May-69 1:40 South Esk @ Longford Longford Railway The 1969 flood rose up to the rail on the Longford Railway Bridge Bridge. E510400 N5396200 SE033 May-69 1:40 South Esk @ Longford Longford Railway Floodwaters rose to the rails of the subsidiary Railway Bridge Bridge viaduct. The viaduct was built after the April 1929 flood. E510400 N5396200 SE034 31 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property May-69 1:40 South Esk @ Longford Rhodes May-69 1:40 South Esk @ Longford Woolmers Estate May-69 1:40 South Esk @ Longford May-69 1:40 South Esk @ Longford Grid Reference Photo No In this photograph, Mr Gatenby indicates with his hands the maximum flood level reached in 1969. The back entrance to the Rhodes homestead is pictured. E514500 N5391800 SE040 This photograph depicts the southern side of the Woolmers Estate lane. Floodwaters during the 1969 event rose to the foot of the large gum tree in the centre left of the frame. E510400 N5413900 SE043 Rhodes Floodwaters during the 1969 event rose half way up the concrete post at the entrance to the Rhodes property. E514600 N5391700 SE044 Rhodes These photographs detail Mr Gatenby’s house and the tennis court on the Rhodes property where floodwaters rose to: E515600 N5392400 SE045 Mr Gatenby’s House Comments i) Within 25cms of the top of the tennis court net post. The post to the middle left of the frame (the post by the tennis court fence - centre of the water channel). ii) May-69 1:40 South Esk @ Longford Rhodes Mr Gatenby’s House SE048 These photographs detail Mr Gatenby’s house, the tennis courts and the surrounding area on the Rhodes property. The trash lines after the flood is detailed. 32 E516200 N5392500 SE046 SE047 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No May-69 1:40 South Esk @ Longford Rhodes These photographs detail flooding at the Rhodes homestead and they are taken from: E514500 N5391800 SE049 SE050 i) The horse trough at the rear of the Rhodes homestead. The back door area after the flood had receded. The back door area at approximately maximum flood height. The back door area looking down the yard to the old shearing shed on the left. ii) iii) iv) May-69 1:40 South Esk @ Perth Scone Track May-69 1:40 South Esk @ Perth May-69 1:40 May-69 1:40 SE051 SE052 This photograph details the gauge board on the Scone Track. The 1969 flood rose to 60cms over the gauge board. E514600 N5393700 SE055 Scone This photograph depicts the old shearers' quarters on the Scone property. The 1969 flood came to just under the floorboards. E514200 N5392700 SE058 South Esk @ Perth Perth Bridge Photograph of the Perth Bridge. During the May 1969 event, floodwaters rose to the top of the projecting course of bricks half way up the wall. E515200 N5396300 SE061 South Esk @ Perth Mill Hill This photograph details that floodwaters rose to the butt of the left-most poplar on Mill Hill, located on Mill Road near Perth. E515300 N5398400 SE076 Mill Road 33 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property May-69 1:40 South Esk @ Perth Native Point May-69 1:40 South Esk @ Evandale Pleasant Banks Comments Grid Reference Photo No This photograph records that the flood came to the point indicated by Mr Gibson’s feet on the path in front of the Native Point homestead. E516500 N5397500 SE078 These photographs detail flooding at the Pleasant Banks Estate. E519100 N5395500 SE083 Floodwaters almost covered the old pump house rear the Andora property. E520600 N5395800 SE094 Floodwaters rose to the floor of Launceston Airport's radio beacon on the Redbanks property, as indicated. E522200 N5394100 SE098 This photograph was taken at the Winthorpe Bridge over Golden Gully Creek on the Clarendon Lodge Road. Floodwaters rose to a point as indicated by Mr Hart’s feet Winthorpe Bridge (a small peg at the side of the road was placed). E523500 N5392900 SE100 i) Floodwaters rose to the corner of the timber shed at the side of the property. Floodwaters rose to a point 1.2 metres short (horizontally) from the butt of the palm tree at the front of the homestead. ii) May-69 1:40 South Esk @ Evandale Andora May-69 1:40 South Esk @ Evandale Redbanks May-69 1:40 South Esk @ Evandale Clarendon Lodge Road 34 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No May-69 Insufficient Data South Esk @ Nile Lochmaben This photograph was taken looking northwest from the Lochmaben property with the Clarendon property in the background. This picture records that most floods come to the foot of the bank on the right of the frame. In 1969, floodwaters covered the entire flat. E524400 N5390000 SE106 Clarendon May-69 Insufficient Data South Esk @ Epping Forest Esk Vale Floodwaters rose to the point where the base to the barbecue now stands at the Esk Vale Estate (note: the frost pictured was at 09:15; temperature -5C). E530300 N5379200 SE112 May-69 Insufficient Data South Esk @ Epping Forest Clyne Vale This photograph details flooding at Mr Robert’s property Clyne Vale Estate . In 1969 the flood rose half way up the door of the pump house (middle hinge). E533900 N5379600 SE113 May-69 Insufficient Data South Esk @ Epping Forest Fairfield Floodwaters rose to the pump house at the Fairfield property as indicated by Mr Youl pictured. An accurate flood mark is located in the adjacent pump house at the property. E529600 N5380900 SE114 May-69 Insufficient Data South Esk @ Conara Vaucluse This photograph was taken at the Vancluse property looking southwest. During the April 1929 event floodwaters rose to the foot of the marker claimed to have fallen where it stood at the time. In 1969, the flood was recorded at five foot vertically lower. E538200 N5375600 SE117 35 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No May-69 Insufficient Data South Esk @ Conara Glen Esk Floodwaters rose to the point where Mr Mackinnon’s feet are pictured on the lawn at the Glen Esk Estate. E539700 N5375300 SE119 May-69 Insufficient Data South Esk @ Conara Brambletye This photograph records that the 1969 flood covered the trough (hollow in paddock to right of frame in shadow) in the foreground paddock on the Brambletye property. E544100 N5372500 SE121 Jul-74 1:6 South Esk @ Perth Scone Track This photograph details the gauge board on the Scone Track. The 1974 flood rose to 75cms over the gauge board. E514600 N5393700 SE055 May-86 1:8 South Esk @ Perth Scone Floodwaters rose to the base of the steel dropper on the Scone property. The old pump house can be seen in the background. E514200 N5394900 SE053 May-86 1:8 South Esk @ Perth Scone Track This photograph details the gauge board on the Scone Track. The 1986 flood rose to 35cms over the gauge board. E514600 N5393700 SE055 May-86 Insufficient Data South Esk @ Nile Winburn Floodwaters rose to the sixth (VI) mark on the marked gauge board at the rear of the Winburn homestead. E525800 N5385600 SE107 May-86 Insufficient Data South Esk @ Conara Glen Esk This photograph records that the 1986 floodwaters rose to the base of the elm tree on the lawn of the Glen Esk Estate . E539700 N5375300 SE120 36 Emergency Management Australia South Esk Basin Flood Data Book Flood Event Flood Frequency AEP Location Region and Property Comments Grid Reference Photo No May-86 1:8 South Esk @ Longford Longford These photographs were taken looking across the recreation area and the Longford township at the confluence of the Macquarie and South Esk Rivers. Flooding over the general area and the road bridge is detailed. E510250 N5395750 SE125 This photograph was taken at the velodrome and Longford Caravan Park and it details flooding over the lower lying areas adjacent to the Macquarie River. E510300 N5395500 MA003 E504800 N5404500 SE013 Longford SE126 May-86 1:8 Macquarie @ Longford Apr-89 1:3 South Esk @ Hadspen Various Years 1:3 to 4 South Esk @ Hadspen Entally This photograph details the level to which normal floods rise (those that occur every 3 to 4 years). Floodwaters generally reach the foot of the sign and entrance to the Entally homestead. E504900 N5404500 SE012 Various Years 1:3 to 4 South Esk @ Hadspen Beams Hollow This photograph details the level to which normal floods rise (those that occur every 3 to 4 years). Floodwaters generally rise to the foot of the Beams Hollow property sign. E506400 N5405600 SE009 Old Bass Highway This photograph was taken at the picnic grounds near the Old Bass Highway. Floodwaters are pictured at approximately the maximum height of a moderate flood and here, a toilet block is half submerged. 37 Emergency Management Australia 6. South Esk Basin Flood Data Book New Records of Flooding The following table (Table 4) has been provided for the entry of new flood events. As this is a living document to be updated over time, if a flood occurs you are encouraged to contribute your own flood information to these books to make them as effective as possible for current and future generations. Records of Future Flooding in the South Esk River and Macquarie Catchments Flood Event Flood Frequency (AEP) Location Region and Property Comments 38 Grid Reference River Level (AHD - metres) Photo No Emergency Management Australia South Esk Basin Flood Data Book REFERENCES Bobbi, C., Fuller, D. and Oldmeadow, D. (1996) South Esk Basin ‘State of Rivers Report’, Department of Primary Industry and Fisheries, Tasmania. Bowden, N. (2000) Geomatic Specialist, Land Information Services, Department of Primary Industries, Water and Environment, Tasmania, personal communications. Bowden, N. J. and Prichard A. S. (1992) Hobart Tide Gauge – Record of Height Datums, SVY/05/003, SVY/04/002, Geodetic files S366, Land Information Services, Tasmania. Bureau of Meteorology (1936) Results of Rainfall Observations Made in Tasmania, Commonwealth of Australia, Melbourne. Bureau of Meteorology (1974) Tasmania: Outstanding Floods and Noteworthy Flood Periods and Main Areas Affected, Internal Document, Commonwealth of Australia, Hobart. Bureau of Meteorology (date unknown) Investigations into Past Floods in Hobart, Internal Document, Commonwealth of Australia, Hobart. Bureau of Meteorology (date unknown) Floods – Southeastern Tasmania, Internal Document, Commonwealth of Australia, Hobart. Department of Infrastructure, Energy and Resources, various departmental files and reports, Tasmania. Department of Public Works (1970) Report on Flooding HvH/5, Department of Public Works, Tasmania. Hydro-Electric Commission (1992) Perth – Longford Flood Plain Study, Water Resources Department, Hydro-Electric Commission Report No 1992/02, Tasmania. Hydro-Electric Commission (1994) Longford Flood Plain Study Hydraulic Analysis, Department of Primary Industry and Fisheries, Hydro-Electric Commission Report No 001-0529-CR-001, Tasmania. Hydro-Electric Commission (1997) Deloraine Flood Plain Study, Water Resources Department, Hydro-Electric Commission Report No 001-0591-CR-001, Tasmania. Livingston, A. H. (1986) Flood Frequency Anomalies – Derwent and South Esk, HydroElectric Commission, Tasmania. Livingston, A. H. (1986) South Esk River – Flood Level Data in the Vicinity of Trevallyn Dam, Hydro-Electric Commission, Tasmania. 39 Emergency Management Australia South Esk Basin Flood Data Book Lands Department (1992) TASMAP – Tasmania 1:500000 Recreational Areas and Land Divisions, the Mapping Division, Lands Department, Hobart. MacGeorge, C. (2000) Section Head Hydrology, Bureau of Meteorology, Tasmania, personal communications. State Emergency Service (1990) History of Emergency Events Tasmania: Issue 1, State Emergency Service. Steane, J. D. (1968) Tasmanian Water Resources Survey Report No 4: The Elizabeth and Macquarie Rivers above Baskerville, Rivers and Water Supply Commission, Tasmania. Waters, T. (2000) Senior Transport Supervisor, Department of Infrastructure, Energy and Resources, Tasmania, personal communications. Weekly Courier (1929) Photographs detailing the collapse of the Perth Bridge - Perth, Weekly Courier, Tasmania. 40
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