Crooked Lake
Herkimer County, New York134 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · pH / acidity
- 15 ft max depth
Crooked Lake in Herkimer County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 15.1 ft. Surface area: 134 acres.
Crooked Lake is a 134-acre lake in Herkimer County, New York with a maximum depth of 15 feet (9-foot average).
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. Crooked Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
Whether Crooked 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 Crooked Lake
These are the measurements NY DEC publishes for Crooked 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 Crooked Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
15.1 ft
Average depth
8.9 ft
Surface area
134 acres
Shoreline
4.2 mi
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Fishing Crooked Lake
EPA Impairment Status
Crooked Lake 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: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY0905-0006 · Official waterbody report
Nearby Lakes in Herkimer County
Frequently asked questions about Crooked Lake
Where is Crooked Lake?
- Crooked Lake is a lake in Herkimer 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 Crooked Lake?
- Crooked Lake in Herkimer County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 15.1 ft. Surface area: 134 acres.
Is Crooked Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Crooked Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
How deep is Crooked Lake?
- Crooked Lake has a maximum depth of 15.1 feet and an average depth of 8.9 feet. The lake covers 134 acres.
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Where this data comes from
Measurements for Crooked 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