Third Lake
Ulster County, New York27 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
Third Lake in Ulster County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 27 acres.
Third Lake is a 27-acre lake in Ulster 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 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 Third Lake
These are the measurements NY DEC publishes for Third 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 Third Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
27 acres
Shoreline
2.2 mi
No bathymetric survey has been published for Third Lake, so its depth is not documented here.
Stays via Stay22
Stays near Third Lake
Compare lakeside cabins, hotels, and vacation rentals near Third Lake in Ulster County, New York — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions about Third Lake
Where is Third Lake?
- Third Lake is a lake in Ulster 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 Lake?
- Third Lake in Ulster County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 27 acres.
Is Third 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 Third Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.