Cummins Pond
Grafton County, New Hampshire135 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- 40 ft max depth
Cummins Pond in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 40 ft. Surface area: 135 acres.
Cummins Pond is a 135-acre lake in Grafton County, New Hampshire with a maximum depth of 40 feet (13-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Cummins Pond is good for
From access and monitoring records, not editorial picks.
- Deep water40 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Cummins Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Cummins 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 Cummins Pond
These are the measurements NHDES publishes for Cummins 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 Cummins Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
40 ft
Average depth
13.1 ft
Surface area
135 acres
Shoreline
2.7 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Cummins Pond
EPA Impairment Status
Cummins 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 NHLAK801060101-03 · Official waterbody report
Nearby Lakes in Grafton County
Frequently asked questions about Cummins Pond
Where is Cummins Pond?
- Cummins Pond is a lake in Grafton County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Cummins Pond?
- Cummins Pond in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 40 ft. Surface area: 135 acres.
Is Cummins Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Cummins 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 Cummins Pond?
- Cummins Pond has a maximum depth of 40 feet and an average depth of 13.1 feet. The lake covers 135 acres.
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Where this data comes from
Measurements for Cummins 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