Middle Branch Reservoir
Putnam County, New York440 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
Middle Branch Reservoir in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 440 acres.
Middle Branch Reservoir is a 440-acre lake in Putnam County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Middle Branch Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Middle Branch 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.
Water quality measurements for Middle Branch Reservoir
These are the measurements NY DEC publishes for Middle Branch 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.
Ask about Middle Branch Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
440 acres
Shoreline
7.1 mi
No bathymetric survey has been published for Middle Branch Reservoir, so its depth is not documented here.
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Fishing Middle Branch Reservoir
EPA Impairment Status
Middle Branch Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Drinking water.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1302-0009 · Official waterbody report
Nearby Lakes in Putnam County
Frequently asked questions about Middle Branch Reservoir
Where is Middle Branch Reservoir?
- Middle Branch 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 Middle Branch Reservoir?
- Middle Branch Reservoir in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 440 acres.
Is Middle Branch Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Middle Branch Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
Measurements for Middle Branch 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