Silver Lake
Wyoming County, New York761 acresView mapDirections
NY DEC publishes the water-quality measurements for Silver Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- 57 ft max depth
- Limited data
Silver Lake in Wyoming County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 8.5 ft visibility. Surface area: 761 acres.
Silver Lake is a 761-acre lake in Wyoming County, New York with an estimated average depth of about 57 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-27. Methodology: how these readings are compared.
Silver Lake covers about 760 acres in Wyoming County. For a place on the water, look through cabin and lake-house rentals near Silver Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Silver Lake is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Silver Lake
These are the measurements NY DEC publishes for Silver Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.5 ft. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Silver Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~57 ft est.
Surface area
761 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. New York has not published bathymetry for Silver Lake.
Lake Size & Watershed
Watershed (drainage) area
9 sq mi
HydroLAKES / HydroSHEDS
Shoreline
6.9 mi
HydroLAKES / HydroSHEDS
Elevation
1,355 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Stays near Silver Lake
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Fishing Silver Lake
Reservoir Info (USACE NID)
Silver Lake is a man-made reservoir impounded by the Silver Lake Dam (completed 1982), built primarily for recreation on the SILVER LAKE OUTLET; other-type dam, 15 ft tall and 120 ft long.
- Surface area
- 761 ac
- Normal storage
- 2,830 ac-ft
- Max storage
- 3,345 ac-ft
- Drainage area
- 15.8 sq mi
- Hazard class
- Significant
- Owner
- VILLAGE OF PERRY
All listed purposes: Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID NY00869 · Operator website
EPA Impairment Status
Silver Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY0403-0002 · Official waterbody report
Regulated Pollution Sources Nearby
5 EPA-permitted facilities operate within about 5 miles of Silver Lake under Clean Water Act (NPDES) discharge permits. 3 facilities have a reported Clean Water Act violation in the past three years.
- Perry (V) WwtpPerry · 3.1 mi away · NPDES NY0022985Recent violation
- Morton Salt, IncSilver Springs · 3.5 mi away · NPDES NY0000418Recent violation
- Castile (V) WwtpCastile · 4.8 mi away · NPDES NY0269336Recent violation
- Warsaw Water Trt PlantWarsaw · 4.5 mi away · NPDES NY0025607
- Wyomig County Highway GarageRock Glen · 4.5 mi away · NPDES NY0275808
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.
Nearby Lakes in Wyoming County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Wyoming County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Silver Lake?
- Silver Lake in Wyoming County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 8.5 ft visibility. Surface area: 761 acres.
Is Silver Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Silver Lake?
- No published bathymetric survey covers Silver Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 57 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 761 acres.
Explore Silver Lake across LakeQuality
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Where this data comes from
8 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2020
Monitoring station identifiers (1)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)