Chalk Pond
Strafford County, New Hampshire53 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- 10 ft max depth
Chalk Pond in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 10 ft. Surface area: 53 acres.
Chalk Pond is a 53-acre lake in Strafford County, New Hampshire with a maximum depth of 10 feet (6-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. Chalk Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Chalk 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 Chalk Pond
These are the measurements NHDES publishes for Chalk 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 Chalk Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 ft
Average depth
5.9 ft
Surface area
53 acres
Shoreline
1.7 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Chalk Pond
EPA Impairment Status
Chalk 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: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK600030601-01 · Official waterbody report
Nearby Lakes in Strafford County
Frequently asked questions about Chalk Pond
Where is Chalk Pond?
- Chalk 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 Chalk Pond?
- Chalk Pond in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 10 ft. Surface area: 53 acres.
Is Chalk Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Chalk Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Chalk Pond?
- Chalk Pond has a maximum depth of 10 feet and an average depth of 5.9 feet. The lake covers 53 acres.
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Where this data comes from
Measurements for Chalk 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