Location
Latitude / Longitude: 41° 37' 30" N / 80° 18' 22" W
Altitude: 1073 ft above sea level (327 m)
County: Crawford County
Townships: Summit and Sadsbury
Borough: Conneaut Lake
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Maps
Bathymetric
USGS 1:24,000 Topographic (7.5 minute quadrangle) -Conneaut
Lake and Harmonsburg
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Physical Characteristics
Conneaut Lake is of glacial origin and the largest natural lake
in Pennsylvania. It is also eutrophic.
The Commonwealth of Pennsylvania owns the lake and private parties
own the surrounding land.
MAJOR INLETS |
MAJOR OUTLETS |
Inlet Run |
Conneaut Outlet |
- Depth
- Max: 18.2 m (60 ft)
Mean: 5.8 m (19 ft)
- Area of Lake: 3.78 km 2
Volume of Lake: 2.4 x 107 m3
Flush rate: 1.3 vol./yr.
Geology: Mississippian Age gray conglomerate and sandstone with
some shale. (Ulanoski et al. 1981)
Soils: Silt loams formed on recent alluvium and Wisconsinan till
deposits. (Ulanoski et al. 1981)
Area of Conneaut Lake Watershed: 68.4 km 2
Land Use in Conneaut Lake Watershed
View data description
Glossary
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Water Quality
Phosphorus (1988, 1994, 1999 - 2001)
Dissolved Oxygen (1999, 2000)
Temperature Profile (1999-2001)
Chlorophyll (2000-2001)
Secchi (1999-2001)
Alkalinity: 73 mg/L
Conductivity: 120 ppm
For more information regarding water quality and nutrients on
Conneaut Lake contact Dr.
Milton Ostrofsky
Glossary
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Biological Diversity
Fishery (Ulanoski et al. 1981)
Game and panfish documented through biological surveys
Common Name |
Scientific Name |
smallmouth bass |
Micropterus dolomieui |
largemouth bass |
Micropterus salmoides |
pumpkinseed sunfish |
Lepomis gibbosus |
rock bass |
Ambloplites rupestris |
black crappie |
Pomoxis nigromaculatus |
bluegill |
Lepomis macrochirus |
northern pike |
Esox lucius |
yellow perch |
Perca flavescens |
walleye |
Stizostedion vitreum vitreum |
brown bullhead |
Ictalurus nebulosus |
yellow bullhead |
Ictalurus natalis |
gar |
Lipisosteus sp. |
Stocked fish: Pennsylvania
Fish and Boat Commission stocking overview.
Consumption advisory: Pennsylvania
Fish and Boat Commission
Vegetation / Macrophytes (Ulanoski et al. 1981)
Rooted aquatic plants observed:
Common Name |
Scientific Name |
|
Common Name |
Scientific Name |
Water milfoil |
Myriophyllum spicatum |
|
Water stargrass |
Heteranthera dubia |
Naidas |
Najas
flexilis |
|
Fanwort |
Cabomba carolinia |
| |
N. gracillima |
|
Wild celery |
Vallisneria Americana |
Coontail |
Ceratophyllum demersum |
|
Spatterdock |
Nuphar advena |
Waterweed |
Elodea Canadensis |
|
White waterlily |
Brasenia schreberi |
| |
Potomogeton robbinsii |
|
Lizards tail |
Saururus cermuus |
| |
P. amplifolius |
|
Bur-reed |
Sparganium eurycarpum |
| |
P. crispus |
|
Soft bulrush |
Scirpus validus |
| |
P. epihydrus |
|
Swamp loostrife |
Docodon verticillatus |
Pondweeds |
P. diversifolius |
|
Soft rush |
Juncus effuses |
| |
P. alpinus |
|
Forget-me-not |
Myosotis scorpioides |
| |
P. cordata |
|
Duckweed |
Lemna minor |
| |
P. coccineum |
|
Star duckweed |
L. trisulca |
| |
P. richardsonii |
|
Greater duckweed |
Spiroides polyrhiza |
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Lake Sediment
Pesticide Sediment analysis (Ulanoski et al. 1981)
Date of Collection October 2, 1980
PESTICIDE |
μg/kg |
|
PESTICIDE |
μg/kg |
| |
|
|
|
|
ALDRIN |
0.0 |
|
HEPTACHLOR |
0.0 |
CHLORDANE |
4.0 |
|
LINDANE |
0.0 |
DDD |
3.9 |
|
MIREX |
0.0 |
DDE |
3.0 |
|
METHOZYCHLOR |
0.0 |
DDT |
0.0 |
|
PCB |
0.0 |
DIELDRIN |
0.0 |
|
PCN |
0.0 |
ENDOSULFN I |
0.0 |
|
PERTHANE |
0.0 |
ENDRIN |
0.0 |
|
TOXAPHENE |
0.0 |
HEPTACHLOR EPOXIDE |
0.0 |
|
|
|
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Recreation
Fishing / Boating access areas:
Conneaut Lake
- Located in Summit
Owned by Pennsylvania Fish and Boat Commission
Horsepower restriction: unlimited
Fee: no
Shore Fishing available
Roadway parking only
Fireman's Beach
- Located in Sadsbury
Owned by the Local Government.
- Horsepower restriction: unlimited
Fee: yes
- Shore fishing available
Large Parking lots
Access Area information: http://sites.state.pa.us/PA_Exec/Fish_Boat/acctbl.htm
Special Boating Regulations: http://sites.state.pa.us/PA_Exec/Fish_Boat/spbtregs.htm
Consumption advisory
Limit yourself to 2 meals / month of largemouth bass due to the
mercury content
Source: Pennsylvania Fish and Boat
Commission
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Links
Pennsylvania
Fish and Boat Commission (PFBC)
PFBC
Fishing and Boating Map
French
Creek Watershed Conservation Plan (Jan 2002)
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Research
Ostrofsky, Milton L. Allegheny
College. Owen, Jeffrey S. Crawford Conservation District. (Nov.
1989). Conneaut Lake Water Quality and Land Use Study. Crawford
Conservation District, State Conservation Commission, Crawford
County Commissioners and the Pennsylvania Department of Environmental
Resources. (pdf:
4,294K)
Search
for Allegheny Senior Comprehensive Projects about Conneaut
Lake
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References
Ulanoski, James T. and Shertzer, Richard H. Pennsylvania Department
of Environmental Resources. Marker, James L. United States Geological
survey. Hartman, Richard T., PhD University of Pittsburgh. (Dec.
1981). Trophic classification and characteristics of twenty-six
publicly owned Pennsylvania lakes. Bureau of Water Quality
Management. Pennsylvania Department of Environmental Resources.
(p 67-76 / 240)
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