Lost Lake is a lake in Putnam County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.

Lost Lake

Putnam County, New York35 acresView map Directions

No nutrient or algae sampling on record from NY DEC for this lake.

Area

35 acres

Surface area

Shoreline

1.7 mi

Measured length

See the measurements Directions Where to stay

Lost Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 35 acres.

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Lost Lake is a 35-acre lake in Putnam County, New York.

Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lost 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.

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Water quality measurements for Lost Lake

These are the measurements NY DEC publishes for Lost 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 Lost Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

35 acres

Shoreline

1.7 mi

No bathymetric survey has been published for Lost Lake, so its depth is not documented here.

Stays via Stay22

Stays near Lost Lake

Compare lakeside cabins, hotels, and vacation rentals near Lost Lake in Putnam 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.

Top-rated places to stay near Lost Lake

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Follow Lost Lake’s readings

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Fishing Lost Lake

→ Lost Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Putnam County

Putnam Lake0.9 miView →East Branch Reservoir3.4 miView →Bog Brook Reservoir—View →Haines Pond—View →Ice Pond—View →Lake Tonetta—View →

Frequently asked questions about Lost Lake

Where is Lost Lake?: Lost Lake is a lake in Putnam 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 Lost Lake?: Lost Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 35 acres.
Is Lost Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.