Lake Warner
Hampshire County, Massachusetts65 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Algal growth
- 9 ft max depth
Lake Warner in Hampshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 9 ft. Surface area: 65 acres.
Lake Warner is a 65-acre lake in Hampshire County, Massachusetts with a maximum depth of 9 feet.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Lake Warner is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, noxious aquatic plants, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), turbidity. Check local advisories before you swim.
Whether Lake Warner is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Warner
These are the measurements MassDEP publishes for Lake Warner, 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 Lake Warner
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9 ft
Surface area
65 acres
Shoreline
3.9 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Stays near Lake Warner
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Fishing Lake Warner
EPA Impairment Status
Lake Warner 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 MA34098 · Official waterbody report
Nearby Lakes in Hampshire County
Frequently asked questions about Lake Warner
Where is Lake Warner?
- Lake Warner is a lake in Hampshire County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Lake Warner?
- Lake Warner in Hampshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 9 ft. Surface area: 65 acres.
Is Lake Warner safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Warner is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, noxious aquatic plants, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), turbidity. Check local advisories before you swim.
How deep is Lake Warner?
- Lake Warner has a maximum depth of 9 feet. The lake covers 65 acres.
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Where this data comes from
Measurements for Lake Warner 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