Great Herring Pond
Plymouth County, Massachusetts415 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Mercury
- 45 ft max depth
Great Herring Pond in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 45 ft. Surface area: 415 acres.
Great Herring Pond is a 415-acre lake in Plymouth County, Massachusetts with a maximum depth of 45 feet (20-foot average).
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
What Great Herring Pond is good for
From access and monitoring records, not editorial picks.
- Deep water45 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Great Herring Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO). Check local advisories before you swim.
Whether Great Herring Pond 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 Great Herring Pond
These are the measurements MassDEP publishes for Great Herring 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 Great Herring Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
45 ft
Average depth
20 ft
Surface area
415 acres
Shoreline
5.6 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Great Herring Pond
EPA Impairment Status
Great Herring Pond 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.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MA94050 · Official waterbody report
Nearby Lakes in Plymouth County
Frequently asked questions about Great Herring Pond
Where is Great Herring Pond?
- Great Herring Pond 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 Great Herring Pond?
- Great Herring Pond in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 45 ft. Surface area: 415 acres.
Is Great Herring Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Great Herring Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO). Check local advisories before you swim.
How deep is Great Herring Pond?
- Great Herring Pond has a maximum depth of 45 feet and an average depth of 20 feet. The lake covers 415 acres.
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Where this data comes from
Measurements for Great Herring 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