Mud Pond is a lake in Coos County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.

How deep is Mud Pond?

Mud Pond has a maximum depth of 7.9 feet. The lake covers 40 acres.

Mud Pond

Coos County, New Hampshire40 acresView map Directions

No nutrient or algae sampling on record from NHDES for this lake.

Max depth

7.9 ft

Bathymetric survey

Area

40 acres

Surface area

Shoreline

1.2 mi

Measured length

Impaired · Mercury
8 ft max depth

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Mud Pond in Coos County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 7.9 ft. Surface area: 40 acres.

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Mud Pond is a 40-acre lake in Coos County, New Hampshire with a maximum depth of 8 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Mud Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Mud 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.

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Water quality measurements for Mud Pond

These are the measurements NHDES publishes for Mud 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 Mud Pond

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

7.9 ft

Surface area

40 acres

Shoreline

1.2 mi

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Stays near Mud Pond

Compare lakeside cabins, hotels, and vacation rentals near Mud Pond in Coos County, New Hampshire — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Mud Pond

→ Mud Pond fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Mud Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit NHLAK801010401-02 · Official waterbody report

Nearby Lakes in Coos County

Lake Gloriette2.4 miView →Little Diamond Pond3.2 miView →Diamond Pond3.5 miView →Millsfield Pond9.2 miView →Phillips Pond—View →Lake Francis—View →

Frequently asked questions about Mud Pond

Where is Mud Pond?: Mud Pond is a lake in Coos County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Mud Pond?: Mud Pond in Coos County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 7.9 ft. Surface area: 40 acres.
Is Mud Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Mud Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Mud Pond?: Mud Pond has a maximum depth of 7.9 feet. The lake covers 40 acres.