Putnam Lake
Western Connecticut County, Connecticut96 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
- Impaired · Habitat alterations
Putnam Lake in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 96 acres.
Putnam Lake is a 96-acre lake in Western Connecticut County, Connecticut.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Putnam Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
Whether Putnam Lake is safe to swim in today is a call for the Connecticut Department of Energy and Environmental Protection 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 CT DEEP 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
96 acres
Shoreline
2.8 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 Western Connecticut County, Connecticut — 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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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 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit CT7409-00-1-L3_01 · Official waterbody report
Nearby Lakes in Western Connecticut County
Frequently asked questions about Putnam Lake
Where is Putnam Lake?
- Putnam Lake is a lake in Western Connecticut County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Putnam Lake?
- Putnam Lake in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 96 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 4C) for habitat alterations. Check local advisories before you swim.
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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