Truesdale Lake
Westchester County, New York91 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 10 ft max depth
Truesdale Lake in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 9.5 ft. Surface area: 91 acres.
Truesdale Lake is a 91-acre lake in Westchester County, New York with a maximum depth of 10 feet (5-foot average).
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. Truesdale Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Truesdale 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 Truesdale Lake
These are the measurements NY DEC publishes for Truesdale 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 Truesdale Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9.5 ft
Average depth
4.6 ft
Surface area
91 acres
Shoreline
2.5 mi
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Fishing Truesdale Lake
EPA Impairment Status
Truesdale 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 NY1302-0054 · Official waterbody report
Nearby Lakes in Westchester County
Frequently asked questions about Truesdale Lake
Where is Truesdale Lake?
- Truesdale Lake is a lake in Westchester 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 Truesdale Lake?
- Truesdale Lake in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 9.5 ft. Surface area: 91 acres.
Is Truesdale Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Truesdale Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Truesdale Lake?
- Truesdale Lake has a maximum depth of 9.5 feet and an average depth of 4.6 feet. The lake covers 91 acres.
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Where this data comes from
Measurements for Truesdale 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