Bear Pond
Merrimack County, New Hampshire49 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- 43 ft max depth
Bear Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 43 ft. Surface area: 49 acres.
Bear Pond is a 49-acre lake in Merrimack County, New Hampshire with a maximum depth of 43 feet (24-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Bear Pond is good for
From access and monitoring records, not editorial picks.
- Deep water43 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Bear Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Bear 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 Bear Pond
These are the measurements NHDES publishes for Bear 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 Bear Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
43 ft
Average depth
23.6 ft
Surface area
49 acres
Shoreline
1.1 mi
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Fishing Bear Pond
EPA Impairment Status
Bear 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 NHLAK700030502-03 · Official waterbody report
Nearby Lakes in Merrimack County
Frequently asked questions about Bear Pond
Where is Bear Pond?
- Bear Pond is a lake in Merrimack County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Bear Pond?
- Bear Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 43 ft. Surface area: 49 acres.
Is Bear Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bear 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 Bear Pond?
- Bear Pond has a maximum depth of 43 feet and an average depth of 23.6 feet. The lake covers 49 acres.
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Where this data comes from
Measurements for Bear 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