Delta Reservoir
Oneida County, New York2,378 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Hydrologic alteration
- 57 ft max depth
Delta Reservoir in Oneida County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 57.4 ft. Surface area: 2378 acres.
Delta Reservoir is a 2,378-acre lake in Oneida County, New York with a maximum depth of 57 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Delta Reservoir is good for
From access and monitoring records, not editorial picks.
- Deep water57.4 ft surveyed max depth
- Big water2,378 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Delta Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for hydrologic alteration. Check local advisories before you swim.
Whether Delta 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 Delta Reservoir
These are the measurements NY DEC publishes for Delta 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 Delta Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
57.4 ft
Surface area
2,378 acres
Shoreline
17.8 mi
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Fishing Delta Reservoir
EPA Impairment Status
Delta Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit NY1201-0019 · Official waterbody report
Nearby Lakes in Oneida County
Frequently asked questions about Delta Reservoir
Where is Delta Reservoir?
- Delta Reservoir is a lake in Oneida 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 Delta Reservoir?
- Delta Reservoir in Oneida County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 57.4 ft. Surface area: 2378 acres.
Is Delta Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Delta Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for hydrologic alteration. Check local advisories before you swim.
How deep is Delta Reservoir?
- Delta Reservoir has a maximum depth of 57.4 feet. The lake covers 2378 acres.
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Where this data comes from
Measurements for Delta 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