Red Hill Pond
Carroll County, New Hampshire173 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- 20 ft max depth
Red Hill Pond in Carroll County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 173 acres.
Red Hill Pond is a 173-acre lake in Carroll County, New Hampshire with a maximum depth of 20 feet (10-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. Red Hill Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Red Hill 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 Red Hill Pond
These are the measurements NHDES publishes for Red Hill 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 Red Hill Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
20 ft
Average depth
10.2 ft
Surface area
173 acres
Shoreline
5.5 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Red Hill Pond
EPA Impairment Status
Red Hill 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 NHLAK700020103-08 · Official waterbody report
Nearby Lakes in Carroll County
Frequently asked questions about Red Hill Pond
Where is Red Hill Pond?
- Red Hill Pond is a lake in Carroll County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Red Hill Pond?
- Red Hill Pond in Carroll County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 173 acres.
Is Red Hill Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Red Hill Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Red Hill Pond?
- Red Hill Pond has a maximum depth of 20 feet and an average depth of 10.2 feet. The lake covers 173 acres.
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Where this data comes from
Measurements for Red Hill 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