Marsh Pond
Strafford County, New Hampshire58 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Algal growth
- 17 ft max depth
Marsh Pond in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 17 ft. Surface area: 58 acres.
Marsh Pond is a 58-acre lake in Strafford County, New Hampshire with a maximum depth of 17 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Marsh Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, biotoxins, mercury, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
Whether Marsh Pond is safe to swim in today is a call for the New Hampshire Department of Environmental Services and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Marsh Pond
These are the measurements NHDES publishes for Marsh 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 Marsh Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
17 ft
Surface area
58 acres
Shoreline
4 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Marsh Pond
EPA Impairment Status
Marsh Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHIMP700020102-01-02 · Official waterbody report
Nearby Lakes in Strafford County
Frequently asked questions about Marsh Pond
Where is Marsh Pond?
- Marsh Pond is a lake in Strafford County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Marsh Pond?
- Marsh Pond in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 17 ft. Surface area: 58 acres.
Is Marsh Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Marsh Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, biotoxins, mercury, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
How deep is Marsh Pond?
- Marsh Pond has a maximum depth of 17 feet. The lake covers 58 acres.
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Where this data comes from
Measurements for Marsh 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