DeForest Lake
Rockland County, New York237 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
DeForest Lake in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 237 acres.
DeForest Lake is a 237-acre lake in Rockland 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 DeForest 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 DeForest Lake
These are the measurements NY DEC publishes for DeForest 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 DeForest Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
237 acres
Shoreline
3.9 mi
No bathymetric survey has been published for DeForest Lake, so its depth is not documented here.
Stays via Stay22
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Frequently asked questions about DeForest Lake
Where is DeForest Lake?
- DeForest Lake is a lake in Rockland 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 DeForest Lake?
- DeForest Lake in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 237 acres.
Is DeForest 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 DeForest Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.