Murphy Lake
Hamilton County, New York38 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Mercury
- 36 ft max depth
Murphy Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 36.1 ft. Surface area: 38 acres.
Murphy Lake is a 38-acre lake in Hamilton County, New York with a maximum depth of 36 feet (20-foot average).
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Murphy Lake is good for
From access and monitoring records, not editorial picks.
- Deep water36.1 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Murphy Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Murphy 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 Murphy Lake
These are the measurements NY DEC publishes for Murphy 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 Murphy Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
36.1 ft
Average depth
19.7 ft
Surface area
38 acres
Shoreline
1.3 mi
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Stays near Murphy Lake
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Fishing Murphy Lake
EPA Impairment Status
Murphy 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 NY1104-0155 · Official waterbody report
Nearby Lakes in Hamilton County
Frequently asked questions about Murphy Lake
Where is Murphy Lake?
- Murphy Lake 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 Murphy Lake?
- Murphy Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 36.1 ft. Surface area: 38 acres.
Is Murphy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Murphy Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Murphy Lake?
- Murphy Lake has a maximum depth of 36.1 feet and an average depth of 19.7 feet. The lake covers 38 acres.
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Where this data comes from
Measurements for Murphy 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