Twin Island Lake
Dutchess County, New York58 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
Twin Island Lake in Dutchess County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 58 acres.
Twin Island Lake is a 58-acre lake in Dutchess 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. Twin Island Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Twin Island 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 Twin Island Lake
These are the measurements NY DEC publishes for Twin Island 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 Twin Island Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
58 acres
Shoreline
1.5 mi
No bathymetric survey has been published for Twin Island Lake, so its depth is not documented here.
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Stays near Twin Island Lake
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Fishing Twin Island Lake
EPA Impairment Status
Twin Island 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 NY1305-0010 · Official waterbody report
Nearby Lakes in Dutchess County
Frequently asked questions about Twin Island Lake
Where is Twin Island Lake?
- Twin Island Lake is a lake in Dutchess 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 Twin Island Lake?
- Twin Island Lake in Dutchess County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 58 acres.
Is Twin Island Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Twin Island Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
Measurements for Twin Island 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