Putnam Lake
Putnam County, New York225 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
Putnam Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 225 acres.
Putnam Lake is a 225-acre lake in Putnam County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Putnam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Putnam 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 Putnam Lake
These are the measurements NY DEC publishes for Putnam 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 Putnam Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
225 acres
Shoreline
4 mi
No bathymetric survey has been published for Putnam Lake, so its depth is not documented here.
Stays via Stay22
Stays near Putnam Lake
Compare lakeside cabins, hotels, and vacation rentals near Putnam 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 Putnam Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at New York’s top lakes →
Follow Putnam Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Putnam Lake
EPA Impairment Status
Putnam Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Recreation.
Source: EPA ATTAINS assessment unit NY1302-0053 · Official waterbody report
Nearby Lakes in Putnam County
Frequently asked questions about Putnam Lake
Where is Putnam Lake?
- Putnam 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 Putnam Lake?
- Putnam Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 225 acres.
Is Putnam Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Putnam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Putnam Lake across LakeQuality
More lakes in New York
Other Lakes in New York
Where this data comes from
Measurements for Putnam Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database