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LakeQuality

Croton Falls Reservoir

Putnam County, New York603 acresView mapDirections

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

Area
603 acres
Surface area
  • Impaired · Nutrients (phosphorus, nitrogen)

Croton Falls Reservoir in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 603 acres.

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Croton Falls Reservoir is a 603-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. Croton Falls Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Croton Falls Reservoir 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 Croton Falls Reservoir

These are the measurements NY DEC publishes for Croton Falls Reservoir, 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.

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

Lake Details

Surface area

603 acres

No bathymetric survey has been published for Croton Falls Reservoir, so its depth is not documented here.

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Stays near Croton Falls Reservoir

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Fishing Croton Falls Reservoir

EPA Impairment Status

Croton Falls Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Drinking water.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit NY1302-0026 · Official waterbody report

Nearby Lakes in Putnam County

Frequently asked questions about Croton Falls Reservoir

Where is Croton Falls Reservoir?

Croton Falls Reservoir 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 Croton Falls Reservoir?

Croton Falls Reservoir in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 603 acres.

Measurements on this page ↑

Is Croton Falls Reservoir safe to swim in?

Nutrient and algae readings are not a swimming clearance. Croton Falls Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Croton Falls Reservoir 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