Crystal Lake
Sullivan County, New York38 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- 40 ft max depth
Crystal Lake in Sullivan County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 40 ft. Surface area: 38 acres.
Crystal Lake is a 38-acre lake in Sullivan County, New York with a maximum depth of 40 feet (20-foot average).
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Crystal Lake is good for
From access and monitoring records, not editorial picks.
- Deep water40 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Crystal 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 Crystal Lake
These are the measurements NY DEC publishes for Crystal 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 Crystal Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
40 ft
Average depth
20.3 ft
Surface area
38 acres
Shoreline
1.4 mi
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Stays near Crystal Lake
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Fishing Crystal Lake
Nearby Lakes in Sullivan County
Frequently asked questions about Crystal Lake
Where is Crystal Lake?
- Crystal Lake is a lake in Sullivan 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 Crystal Lake?
- Crystal Lake in Sullivan County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 40 ft. Surface area: 38 acres.
Is Crystal Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Crystal Lake?
- Crystal Lake has a maximum depth of 40 feet and an average depth of 20.3 feet. The lake covers 38 acres.
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Where this data comes from
Measurements for Crystal Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.