Beaver Lake is a 40-acre productive, nutrient-rich eutrophic lake in Broome County, New York. Water quality is graded D based on 1 sampling years through 2020. The lake supports 1 documented fish species including Brown Trout. Public access is available. Compared to the 2 other monitored lakes in Broome County, Beaver Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, New York DNR, last sampled 2020-09-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 5.5 ft. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 40 acres |
| Public Access | Yes |
Where to stay near Beaver Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Beaver Lake
Location
County Ranking
Ranked #3 of 3 lakes in Broome County
Nearby Lakes in Broome County
Explore Beaver Lake across LakeGrade
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Species activity outlook by water temperature and season
Where to stay at New York's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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More records, surveys & data sources
Reservoir Info (USACE NID)
Beaver Lake is a man-made reservoir impounded by the Beaver Lake Dam (completed 1939), built primarily for recreation on the TR-SUSQUEHANNA RIVER; concrete-type dam, 8 ft tall and 68 ft long.
- Surface area
- 40 ac
- Normal storage
- 70 ac-ft
- Max storage
- 100 ac-ft
- Drainage area
- 0.86 sq mi
- Hazard class
- Low
- Owner
- BEAVER LAKE ASSOCIATION
Source: USACE National Inventory of Dams, NID ID NY00359 · Operator website
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Beaver Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Lakeside CampgroundsEast Windsor · 2.2 mi away · NPDES NY0065901Recent violation
- Forestview Mobile Home ParkWindsor · 4.4 mi away · NPDES NY0102997
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-20
Monitoring stations: 1