Where is Grafton Pond?

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

How deep is Grafton Pond?

Grafton Pond has a maximum depth of 70 feet and an average depth of 19.7 feet. The lake covers 319 acres.

Are there boat ramps on Grafton Pond?

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

Can I fish at Grafton Pond?

Grafton 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.

Grafton Pond

Grafton County, New Hampshire319 acresView map Directions

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

Max depth

70 ft

Bathymetric survey

Area

319 acres

Surface area

Shoreline

7.4 mi

Measured length

Impaired · Mercury
70 ft max depth
Public access

See the measurements Directions Where to stay

Grafton Pond in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 70 ft. Surface area: 319 acres.

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Grafton Pond is a 319-acre lake in Grafton County, New Hampshire with a maximum depth of 70 feet (20-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 Grafton Pond is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water70 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Grafton 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 Grafton Pond

These are the measurements NHDES publishes for Grafton 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 Grafton Pond

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

Lake Details

Max depth

70 ft

Average depth

19.7 ft

Surface area

319 acres

Shoreline

7.4 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

Grafton 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 Grafton Pond

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Fishing Grafton Pond

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

EPA Impairment Status

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

Causes of impairment

MercurypH / acidity

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit NHLAK801060104-02 · Official waterbody report

Nearby Lakes in Grafton County

Spectacle Pond-VlapOligotrophic1.6 miView →Crystal Lake3 miView →George Pond3 miView →Kilton Pond-Deep SpotMesotrophic3.1 miView →Tewksbury Pond4 miView →Canaan Street Lake-Deep SpotOligotrophic—View →

Frequently asked questions about Grafton Pond

Where is Grafton Pond?: Grafton Pond is a lake in Grafton County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Grafton Pond?: Grafton Pond in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 70 ft. Surface area: 319 acres.
Is Grafton Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Grafton 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 Grafton Pond?: Grafton Pond has a maximum depth of 70 feet and an average depth of 19.7 feet. The lake covers 319 acres.
Are there boat ramps on Grafton Pond?: Grafton Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Grafton Pond. Public access is listed as yes.
Can I fish at Grafton Pond?: Grafton 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.