Dudley Pond
Hillsborough County, New Hampshire34 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- 20 ft max depth
Dudley Pond in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 34 acres.
Dudley Pond is a 34-acre lake in Hillsborough County, New Hampshire with a maximum depth of 20 feet (12-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Dudley Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Dudley 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 Dudley Pond
These are the measurements NHDES publishes for Dudley 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 Dudley Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
20 ft
Average depth
11.8 ft
Surface area
34 acres
Shoreline
1.2 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Dudley Pond
EPA Impairment Status
Dudley Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
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 NHLAK700060601-02 · Official waterbody report
Nearby Lakes in Hillsborough County
Frequently asked questions about Dudley Pond
Where is Dudley Pond?
- Dudley Pond is a lake in Hillsborough County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Dudley Pond?
- Dudley Pond in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 34 acres.
Is Dudley Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Dudley Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
How deep is Dudley Pond?
- Dudley Pond has a maximum depth of 20 feet and an average depth of 11.8 feet. The lake covers 34 acres.
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Where this data comes from
Measurements for Dudley 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