D.G.R. Consulting
Stream Assessment
Cut-block: 171214
For: Island Timberlands Limited Partnership,
Cameron Operation
Tony Norris Area Engineer
Island Timberlands
Cameron Operation
Port Alberni
D.G. Rigets E.I.A. CTech.
PO Box 127
Errington BC V0R 1V0
(250) 248-9361
January 24, 2008
D.G.R. Consulting
•
File #: 734
•
Date: Thursday, January 24th , 2008
•
Area: Cut-block # 171214
•
Subject: Stream classification and determination of fish presence or absence.
•
Watershed Code:
Name:
FRANKLIN RIVER
Watershed Code:
930-129400
Waterbody Identifier:
00000ALBN
Stream Length:
16.86 km
Stream Order:
4
Stream Magnitude:
52
•
Dates Surveyed: January 21, 2008
•
Stream Name: Tributaries of Franklin River
•
Cut Block Location: Approximately 1.5km along Museum Mainline from the TMR Main junction.
•
Survey Method: Field assessment.
•
Objectives:
To assess, and class according to the Island Timberlands Riparian Management SOP, tributaries of
Franklin River which flow through the proposed cut-block # 171214.
•
Introduction:
On January 21, 2008 Darryl Rigets D.G.R. Consulting conducted a field assessment of the streams
that flow through or adjacent to the proposed cut-block # 171214.
Four streams and their tributaries were assessed. Creeks 1, 2, 2A, 3 and 4 into the Franklin River
downstream of the Franklin River Museum Creek confluence.
Water temperatures in all streams surveyed were between 2.00C and 2.5 0C
2
D.G.R. Consulting
Observations
Creek 1:
Reach 1, class NB2(F) low gradient (8%) 3.5-meter wide perennial channel of
cobble/boulder/bedrock/gravel substrate. Stream flow was normal at the time of the assessment. There is a
2-meter high bedrock waterfall approximately 120-meters upstream from the confluence with Franklin River.
The waterfall is a possible barrier to fish migration. Reach 1 begins at Franklin River and ends at the 2meter high bedrock waterfall.
Reach # 1
120
Length:
Meters.
8
Average gradient:
%
3.5
Average channel width:
Meters.
2.0
Average wetted width:
Meters.
15
Average depth:
Centimeters
cobble/boulder/bedrock/gravel
Substrate :
Water temp
2.50C
Cobble/boulder/bedrock
Bank substrate
Non alluvial
Channel type
Yes
Fish
Reach 2, class NB2(F) low gradient (8%) 3.2-meter wide perennial channel of cobble/boulder/gravel
substrate. Stream flow was normal at the time of the assessment. Reach 2 begins at the 2-meter high
bedrock waterfall and ends and ends at the confluence with Creek 2.
Reach # 2
120
Length:
Meters.
8
Average gradient:
%
3.5
Average channel width:
Meters.
2.0
Average wetted width:
Meters.
15
Average depth:
Centimeters
cobble/boulder/gravel
Substrate :
0
Water temp
2.5 C
Cobble/boulder/gravel/soils
Bank substrate
Non alluvial
Channel type
Yes
Fish
Creek 2:
Reach 1: class ND1 (F) low gradient (6%) 1.6-meter wide ephemeral channel of cobble/gravel/boulder
substrate. Although no fish were found within Reach 1 it must be classed as a fish stream as no natural
barriers occur to fish bearing waters.
Reach # 1
350
Length:
Meters.
6
Average gradient:
%
Average channel width:
Average wetted width:
Average depth:
Substrate :
Water temp
Bank substrate
Channel type
Fish
1.6
N/A
<5
Meters.
Meters.
Centimeters
Cobble/gravel/boulder
0
2.0 C
Cobble/gravel/hardpan
Non alluvial
Yes
3
D.G.R. Consulting
Creek 2A:
Reach 1: class ND1(F) low gradient (6%) 1.0-meter wide ephemeral channel of gravel/cobble/hardpan
substrate. Approximatly20-meters of Creek 2A that flows within the ditch line of Museum Mainline.
Although no fish were found within Reach 1 it must be classed as a fish stream as no natural barriers occur
to fish bearing waters.
Reach # 1
45
Length:
Meters.
6
Average gradient:
%
Average channel width:
Average wetted width:
Average depth:
Substrate :
Water temp
Bank substrate
Channel type
Fish
1.0
N/A
<5
Meters.
Meters.
Centimeters
gravel/cobble/hardpan
2.00C
Hardpan
Non alluvial
Yes
Reach 2: class ND1 low gradient (16%) 0.8-meter wide ephemeral channel of cobble/hardpan substrate. A
<20% gradient occurs at the beginning of Reach 2 and gradients of >20% occur frequently further upstream.
Fish would not occur within Reach 2.
Reach # 1
45
Length:
Meters.
6
Average gradient:
%
Average channel width:
Average wetted width:
Average depth:
Substrate :
Water temp
Bank substrate
Channel type
Fish
1.0
N/A
<5
Meters.
Meters.
Centimeters
cobble/hardpan
0
2.0 C
Hardpan
Non alluvial
Yes
4
D.G.R. Consulting
Creek 3:
Reach 1: class NCF low gradient (18%) 2.0-meter wide ephemeral/intermittent channel of
bedrock/boulder/cobble substrate. Reach 1, which is located within the flood plain of Franklin River.
At 0+13m of reach 1 there is a 5-meter portion of the channel that is >20%. Fish from the Franklin likely do
not have access beyond this point. Although no fish were found in Reach 1 it must be classed as a fish
stream because of its proximity to the Franklin River.
Reach # 1
25
Length:
Meters.
16
Average gradient:
%
3.0
Average channel width:
Meters.
N/A
Average wetted width:
Meters.
20
Average depth:
Centimeters
cobble/boulder/gravel
Substrate :
0
Water temp
2.0 C
Cobble/boulder/gravel/soils
Bank substrate
Non alluvial
Channel type
Yes
Fish
Reach 2, class NCF low gradient (18%) 2.2-meter wide ephemeral channel of
cobble/ boulder/gravel/bedrock substrate with some large woody debris retaining gravel cobble wedges.
Reach 2 begins at the base of a 23% channel gradient and ends approximately 80-meters upstream where
the slope ends. Stream flow was normal at the time of the assessment. No fish were found.
Reach # 2
100
Length:
Meters.
18
Average gradient:
%
2.2
Average channel width:
Meters.
0.8
Average wetted width:
Meters.
<5
Average depth:
Centimeters
cobble/ boulder/gravel/bedrock
Substrate :
Water temp
2.00C
Cobble/boulder/gravel/soils
Bank substrate
Non alluvial
Channel type
No
Fish
Reach 3, class NE low gradient (6%) 1.7-meter wide ephemeral channel of gravel/cobble/boulder substrate
with some large woody debris retaining gravel cobble wedges. Reach 2 begins at the top of a 23% channel
gradient and ends approximately 650-meters upstream at the Museum Mainline crossing. Stream flow was
normal at the time of the assessment. No fish were found.
Reach # 3
650
Length:
Meters.
18
Average gradient:
%
1.5
Average channel width:
Meters.
0.8
Average wetted width:
Meters.
<5
Average depth:
Centimeters
gravel/cobble/boulder
Substrate :
0
Water temp
2.0 C
Cobble/boulder/gravel/soils
Bank substrate
Non alluvial
Channel type
No
Fish
5
D.G.R. Consulting
Creek 4:
Reach 1, class ND1 low gradient (8%) 1.0-meter wide ephemeral channel of organic/gravel/cobble
substrate. Flow was low at the time of the assessment. Within the lower 20 m of Reach 1 the flow was
subsurface. Further upstream the channel becomes better defined. Fish would not occur win Creek 4.
Reach # 1
100
Length:
Meters.
8
Average gradient:
%
1.0
Average channel width:
Meters.
N/A
Average wetted width:
Meters.
<5
Average depth:
Centimeters
organic/gravel/cobble
Substrate :
0
Water temp
2.0 C
Hardpan
Bank substrate
Non alluvial
Channel type
Yes
Fish
Conclusion:
Creek 1 Reach 1, is fish bearing without barriers to Franklin River.
Reach 2, occurs upstream from a barrier to fish migration, however, could not be sampled with confidence due
primarily to low water temperature. Reach 2 of Creek 1 should be sampled at a later date when water
temperature is favorable ( 7.00C).
Creek 2: Reach 1, occurs upstream from a barrier to fish migration, however, could not be sampled with
confidence due primarily to low water temperature. Reach 1 of Creek 2 should be sampled at a later date
when water temperature is favorable ( 7.00C).
Creek 2A: Reach 1, occurs upstream from a barrier to fish migration, however, and could not be sampled with
confidence due primarily to low water temperature. Reach 1 of Creek 2A should be sampled at a later date
when water temperature is more favorable ( 7.00C).
Creek 3: Reach 1, is classed as fish bearing due to its proximity to Franklin River.
Reach 2, is an ephemeral watercourse that occurs upstream from a barrier to fish migration therefore is a nonfish stream but is within 100-meters of fish bearing waters.
Reach 3 is a non-fish bearing ephemeral stream that occurs upstream from a barrier to fish migration.
Creek 4: Reach 1, is an ephemeral, non-fish bearing watercourse that occurs upstream from a barrier to fish
migration.
6
D.G.R. Consulting
According to the Private Land Forest Regulations and the Island Timberlands Riparian Management
SOP the following streams are classed:
Creek#
Creek 1
Creek 2
Ck 2A
Ck 3
Ck 4
Reach# Class
1
2
1
1
1
2
3
1
NB2 (F)
NC (F)
NC (F)
ND1 (F)
NCF
NCF
NE
ND1
Channel Type
Perennial
Intermittent
Ephemeral
Ephemeral
Ephemeral
Ephemeral
Ephemeral
Ephemeral
Please call if you have any questions.
D.G. Rigets E.I.A. CTech.
7
D.G.R. Consulting
Photos:
Photo 1: Creek 1, 1.8-meter high waterfall at top end of Reach 1.
Photo 2: Creek 3, Looking down toward Franklin River from top of >20 gradient.
8
Stream Assessment Map
R2
NE
N
R1
D1
Begin >20% slope
R1
NE
R1
)
lin
Riv
er
NB
2(F
R2
F)
NC(
Fr
ank
2-m high Waterfall
R2
)
2(F
NB
R3
Top of 20% slope
OP# 171214
NB2(F
)
er
R1
Frankli
n Riv
2
R1 R
NCF
NCF
NE
End 23% slope
Base of 23% slope
Museu
m C
reek
Trim Map Sheet 92F017
LEGEND
Road Location
Built Road
Creek Number
Reach Name
Creek Class
Gross Falling Boundary
Wetland
Reach Boundary
Streams: Fish
1
R1
NC
Scale: 1:5 000
0
50
100
The Locations Of All Objects On This Map Are
Approximate.
Non-fish
Unknown
200
300 m