George B Stevenson Reservoir
Cameron County, Pennsylvania133 acresView mapDirections
PA DEP publishes the water-quality measurements for George B Stevenson Reservoir. Here is what has been measured.
- Impaired · Mercury
- 28 ft max depth
- Public access
- Limited data
George B Stevenson Reservoir in Cameron County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 8.8 µg/L. Maximum depth: 27.5 ft. Surface area: 133 acres.
George B Stevenson Reservoir is a 133-acre lake in Cameron County, Pennsylvania with a maximum depth of 28 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, PA DEP, last sampled 2023-10-26. Methodology: how these readings are compared.
What George B Stevenson Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. George B Stevenson Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether George B Stevenson Reservoir is safe to swim in today is a call for the Pennsylvania Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for George B Stevenson Reservoir
These are the measurements PA DEP publishes for George B Stevenson Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 27.5 µg/L. Chlorophyll-a 8.8 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 27.5µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 8.8µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about George B Stevenson Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
27.5 ft
Surface area
133 acres
Shoreline
3.8 mi
Public access
Yes
Listed by PA DEP
Recreation & Access
- Sinnemahoning State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing George B Stevenson Reservoir
EPA Impairment Status
George B Stevenson Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit PA-LRP-02050202001330 · Official waterbody report
Nearby Lakes in Cameron County
Frequently asked questions about George B Stevenson Reservoir
Where is George B Stevenson Reservoir?
- George B Stevenson Reservoir is a lake in Cameron County, Pennsylvania. Its water-quality measurements are published by PA DEP and shown on this page as reported.
What is the water quality of George B Stevenson Reservoir?
- George B Stevenson Reservoir in Cameron County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 8.8 µg/L. Maximum depth: 27.5 ft. Surface area: 133 acres.
Is George B Stevenson Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. George B Stevenson Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is George B Stevenson Reservoir?
- George B Stevenson Reservoir has a maximum depth of 27.5 feet. The lake covers 133 acres.
Are there boat ramps on George B Stevenson Reservoir?
- George B Stevenson Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sinnemahoning State Park. Public access is listed as yes.
Can I fish at George B Stevenson Reservoir?
- George B Stevenson Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Pennsylvania's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for George B Stevenson Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory