Billington Sea
Plymouth County, Massachusetts263 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Algal growth
- 14 ft max depth
Billington Sea in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 14.1 ft. Surface area: 263 acres.
Billington Sea is a 263-acre lake in Plymouth County, Massachusetts with a maximum depth of 14 feet.
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. Billington Sea is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Billington Sea 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 Billington Sea
These are the measurements MassDEP publishes for Billington Sea, 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 Billington Sea
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
14.1 ft
Surface area
263 acres
Shoreline
4.4 mi
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Fishing Billington Sea
EPA Impairment Status
Billington Sea 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, Recreation, Other.
Source: EPA ATTAINS assessment unit MA94007 · Official waterbody report
Nearby Lakes in Plymouth County
Frequently asked questions about Billington Sea
Where is Billington Sea?
- Billington Sea 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 Billington Sea?
- Billington Sea in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 14.1 ft. Surface area: 263 acres.
Is Billington Sea safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Billington Sea is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Billington Sea?
- Billington Sea has a maximum depth of 14.1 feet. The lake covers 263 acres.
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Where this data comes from
Measurements for Billington Sea 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