POLK COUNTY LOCAL MITIGATION STRATEGY
SINKHOLES
Surface Subsidence (Karst and Sinkholes)
Sinkholes form when surface sediments subside into underground voids created by the dissolving action of groundwater in the underlying
bedrock. Other events that can cause holes, depressions, or subsidence of the land surface that may mimic sinkhole activity include:
• Subsurface expansive clay or organic layers which compress as water is removed,
• Collapsed or broken sewer and drain pipes; broken septic tanks;
• Improperly compacted soil after excavation work; and
• Buried trash, logs and other debris.
DRAFT
DRAFT
X
W
33
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35
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£
¤ X
W
W
X
POLK CITY
X X
W
W
W
X
WWX
X
W
X
¬
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566
39
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«
98
£
¤
27
£
¤
W DAVENPORT
X
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X X
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X
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W
W HAINES CITY
X
WX
X
W
WX
X
W
X
WX
X
LAKE ALFRED
W
W
W
X
W
W X
X
W
X
WX
X
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X
W
W
X
W
X
W
X
W AUBURNDALE
X
W
W X
X
W
X
W
X
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X
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X
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LAKE HAMILTON X
WX
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WINTER
HAVENX
W
W
W
X
W
W
X
W
X
W
X
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X
W X
X
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WDUNDEE
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LAKELAND
WX
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570
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WEAGLEX
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WLAKEX
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LAKE WALES
W
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MULBERRY
WX
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60
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X
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X
17
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X
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BARTOW
W HIGHLAND PARK
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HILLCREST HEIGHTS
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DAVENPORT
Legend
Sinkhole Locations
City Limits
Depth
< 10 feet
§
¦4
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W
X
Legend
27
£
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POLK CITY
X
W
FORT MEADE
POLK COUNTY
LOCAL MITIGATION STRATEGY
Sinkhole Depths (1954-2014)
33
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35
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W
X
98
39
POLK COUNTY
LOCAL MITIGATION STRATEGY
Sinkhole Locations (1954-2014)
10 - 30 feet
30 - 50 feet
HAINES CITY
LAKE ALFRED
50 - 200 feet
¬
«
39
City Limits
AUBURNDALE
County Boundary
Interstates
WINTER HAVEN
¬
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566
State Roads
Bodies of Water
LAKELAND
D iscl osur e :
T his G IS M a p is a pub lic re sour ce of ge n e ra l i nfor m at ion. Pol k C ount y B oCC m a ke s no w a rr an ty,
cee, lia ne
c cura
ss orcy com
, pl e te ne ss of a ny of
re p re se nta ti on o r g ua ra nt e e as to t he con te nt , se quetnim
the da ta ba se infor m a tion pro vi de d he r e in, T he re a de r sho uld n ot r e ly on t he da ta prov ide d he re i n for
a ny re a son. Pol k C ount y e x plic itl y di scla im s a ny re p re se nta ti ons a nd w a r ra nti e s , i nclu ding , w ith out
li m ita ti on, the
im plie d w a rr an tie s of m e rcha nt ab ili ty and fitn e ss for a p ar ti cula r pur p ose . Polk C ounty
sha ll a ssu m e no l ia bili ty for: 1 ) A ny e rr or s, om i ssi ons, or ina ccur a cie s i n the infor m a tion pro vi de d
t akt ak
e nebn yoa ny pe r so n i n
re g a rd le ss of h ow ca use d; or 2 ) A ny de ci sion m a de orranctotion
re l ia nce u pon a ny in form a ti on or da ta fur ni sh e d he r e unde r .
Interstates
State Roads
DUNDEE
¬
«
570
39
¬
«
County Boundary
LAKE HAMILTON
Bodies of Water
EAGLE LAKE
D iscl osur e :
LAKE WALES
MULBERRY
17
£
¤
BARTOW
60
¬
«
HIGHLAND PARK
37
¬
«
60
«
¬
T his G IS M a p is a pub lic re sour ce of ge n e ra l i nfor m at ion. Pol k C ount y B oCC m a ke s no w a rr an ty,
cee, lia ne
c cura
ss orcy com
, pl e te ne ss of a ny of
re p re se nta ti on o r g ua ra nt e e as to t he con te nt , se quetnim
the da ta ba se infor m a tion pro vi de d he r e in, T he re a de r sho uld n ot r e ly on t he da ta prov ide d he re i n for
a ny re a son. Pol k C ount y e x plic itl y di scla im s a ny re p re se nta ti ons a nd w a r ra nti e s , i nclu ding , w ith out
li m ita ti on, the
im plie d w a rr an tie s of m e rcha nt ab ili ty and fitn e ss for a p ar ti cula r pur p ose . Polk C ounty
sha ll a ssu m e no l ia bili ty for: 1 ) A ny e rr or s, om i ssi ons, or ina ccur a cie s i n the infor m a tion pro vi de d
t akt ak
e nebn yoa ny pe r so n i n
re g a rd le ss of h ow ca use d; or 2 ) A ny de ci sion m a de orranctotion
re l ia nce u pon a ny in form a ti on or da ta fur ni sh e d he r e unde r .
HILLCREST HEIGHTS
60
¬
«
W
X
FORT MEADE
X
W
WX
W X
WX
X
W
FROSTPROOF
FROSTPROOF
/
/
0 1 2
4
6
8
Miles
Document Path: D:\Projects\Local Mitigation Strategy\2015 LMS\maps\sinkholes.mxd
0 1 2
4
6
8
Miles
Document Path: D:\Projects\Local Mitigation Strategy\2015 LMS\maps\sinkholes.mxd
Sinkhole in Bartow, FL on May 21, 1963
Two Sinkholes in Bartow,FL in the 1900s
Home Swallowed by Sinkhole in Frostproof, Fl on July 12, 1991
Source: State Archives of Florida, Florida Memory,
Source: State Archives of Florida, Florida Memory,
Source: State Archives of Florida, Florida Memory,
http://floridamemory.com/items/show/126264 Photographer: William D. Reeves
http://floridamemory.com/items/show/126325 Photographer: Unknown
http://floridamemory.com/items/show/8564 Photographer: Unknown