Third Reservoir
Rockland County, New York26 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
Third Reservoir in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 26 acres.
Third Reservoir is a 26-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 Third Reservoir 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 Third Reservoir
These are the measurements NY DEC publishes for Third Reservoir, 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 Third Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
26 acres
Shoreline
1.2 mi
No bathymetric survey has been published for Third Reservoir, so its depth is not documented here.
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Frequently asked questions about Third Reservoir
Where is Third Reservoir?
- Third Reservoir 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 Third Reservoir?
- Third Reservoir in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 26 acres.
Is Third Reservoir 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 Third Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.