Where is French Pond?

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

How deep is French Pond?

French Pond has a maximum depth of 40 feet and an average depth of 14.1 feet. The lake covers 39 acres.

Are there boat ramps on French Pond?

French Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include French Pond. Public access is listed as yes.

Can I fish at French Pond?

French Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by New Hampshire's fish and wildlife agency, so check its current regulations before you go.

French Pond

Merrimack County, New Hampshire39 acresView map Directions

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

Max depth

40 ft

Bathymetric survey

Area

39 acres

Surface area

Shoreline

1 mi

Measured length

Impaired · Algal growth
40 ft max depth
Public access

See the measurements Directions Where to stay

French Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 40 ft. Surface area: 39 acres.

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French Pond is a 39-acre lake in Merrimack County, New Hampshire with a maximum depth of 40 feet (14-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.

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

What French Pond is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water40 ft surveyed max depth

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. French Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, biotoxins, mercury, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.

Whether French 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 French Pond

These are the measurements NHDES publishes for French 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 French Pond

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

Lake Details

Max depth

40 ft

Average depth

14.1 ft

Surface area

39 acres

Shoreline

1 mi

Public access

Yes

Listed by NHDES

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

Recreation & Access

Boat Landings

Yes

Public Access

French PondPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near French Pond

Compare lakeside cabins, hotels, and vacation rentals near French Pond in Merrimack 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 French Pond

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

EPA Impairment Status

French Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthBiotoxinsMercuryNutrients (phosphorus, nitrogen)pH / acidity

Designated uses not supporting: Aquatic life, Fish consumption, Recreation.

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

Source: EPA ATTAINS assessment unit NHLAK700030504-02-01 · Official waterbody report

Nearby Lakes in Merrimack County

Rolf Pond-Deep Spot1.3 miView →Upper Pond1.4 miView →Grassy Pond1.8 miView →Clement Pond-Deep SpotMesotrophic1.8 miView →Bear Pond3.2 miView →Craney Pond-Deep Spot3.6 miView →

Frequently asked questions about French Pond

Where is French Pond?: French 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 French Pond?: French Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 40 ft. Surface area: 39 acres.
Is French Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. French Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, biotoxins, mercury, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
How deep is French Pond?: French Pond has a maximum depth of 40 feet and an average depth of 14.1 feet. The lake covers 39 acres.
Are there boat ramps on French Pond?: French Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include French Pond. Public access is listed as yes.
Can I fish at French Pond?: French Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by New Hampshire's fish and wildlife agency, so check its current regulations before you go.