Big Rock Lake
Hamilton County, New York79 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
Big Rock Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 79 acres.
Big Rock Lake is a 79-acre lake in Hamilton County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Big Rock 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 Big Rock Lake
These are the measurements NY DEC publishes for Big Rock Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Big Rock Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
79 acres
Shoreline
2.8 mi
No bathymetric survey has been published for Big Rock Lake, so its depth is not documented here.
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Stays near Big Rock Lake
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Frequently asked questions about Big Rock Lake
Where is Big Rock Lake?
- Big Rock Lake is a lake in Hamilton 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 Big Rock Lake?
- Big Rock Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 79 acres.
Is Big Rock Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Big Rock Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.