West Lake
Plymouth County, Massachusetts308 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Algal growth
- 13 ft max depth
West Lake in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 13.1 ft. Surface area: 308 acres.
West Lake is a 308-acre lake in Plymouth County, Massachusetts with a maximum depth of 13 feet (7-foot average).
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. West Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether West Lake 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 West Lake
These are the measurements MassDEP publishes for West 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 West Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
13.1 ft
Average depth
6.9 ft
Surface area
308 acres
Shoreline
4.3 mi
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Fishing West Lake
EPA Impairment Status
West Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption, Recreation, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MA62119 · Official waterbody report
Nearby Lakes in Plymouth County
Frequently asked questions about West Lake
Where is West Lake?
- West Lake is a lake in Plymouth County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of West Lake?
- West Lake in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 13.1 ft. Surface area: 308 acres.
Is West Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. West Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is West Lake?
- West Lake has a maximum depth of 13.1 feet and an average depth of 6.9 feet. The lake covers 308 acres.
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Where this data comes from
Measurements for West 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