Unknown Pond
Hamilton County, New York37 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · pH / acidity
- 28 ft max depth
Unknown Pond in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 27.9 ft. Surface area: 37 acres.
Unknown Pond is a 37-acre lake in Hamilton County, New York with a maximum depth of 28 feet (9-foot average).
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. Unknown Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
Whether Unknown Pond 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 Unknown Pond
These are the measurements NY DEC publishes for Unknown Pond, 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 Unknown Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
27.9 ft
Average depth
9.2 ft
Surface area
37 acres
Shoreline
1.4 mi
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Fishing Unknown Pond
EPA Impairment Status
Unknown Pond 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, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1104-0003 · Official waterbody report
Nearby Lakes in Hamilton County
Frequently asked questions about Unknown Pond
Where is Unknown Pond?
- Unknown Pond is a lake in Hamilton 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 Unknown Pond?
- Unknown Pond in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 27.9 ft. Surface area: 37 acres.
Is Unknown Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Unknown Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
How deep is Unknown Pond?
- Unknown Pond has a maximum depth of 27.9 feet and an average depth of 9.2 feet. The lake covers 37 acres.
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Where this data comes from
Measurements for Unknown Pond 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