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LakeQuality

Merrymeeting Lake

Strafford County, New Hampshire1,233 acresView mapDirections

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

Max depth
120 ft
Bathymetric survey
Area
1,233 acres
Surface area
Shoreline
11.2 mi
Measured length
  • Impaired · Mercury
  • 120 ft max depth
  • Public access

Merrymeeting Lake in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 120 ft. Surface area: 1233 acres.

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Merrymeeting Lake is a 1,233-acre lake in Strafford County, New Hampshire with a maximum depth of 120 feet (50-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 Merrymeeting Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp
  • Deep water120 ft surveyed max depth
  • Big water1,233 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Merrymeeting Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pH / acidity. Check local advisories before you swim.

Whether Merrymeeting Lake 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 Merrymeeting Lake

These are the measurements NHDES publishes for Merrymeeting Lake, 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 Merrymeeting Lake

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

Lake Details

Max depth

120 ft

Average depth

49.5 ft

Surface area

1,233 acres

Shoreline

11.2 mi

Public access

Yes

Listed by NHDES

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Merrymeeting LakePublic

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

Stays via Stay22

Stays near Merrymeeting Lake

Compare lakeside cabins, hotels, and vacation rentals near Merrymeeting Lake in Strafford 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.

Top-rated places to stay near Merrymeeting Lake

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Fishing Merrymeeting Lake

EPA Impairment Status

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

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 NHLAK700020102-03 · Official waterbody report

Nearby Lakes in Strafford County

Frequently asked questions about Merrymeeting Lake

Where is Merrymeeting Lake?

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

What is the water quality of Merrymeeting Lake?

Merrymeeting Lake in Strafford County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 120 ft. Surface area: 1233 acres.

Measurements on this page ↑

Is Merrymeeting Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Merrymeeting Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pH / acidity. Check local advisories before you swim.

Swimming on this page ↑

How deep is Merrymeeting Lake?

Merrymeeting Lake has a maximum depth of 120 feet and an average depth of 49.5 feet. The lake covers 1233 acres.

Are there boat ramps on Merrymeeting Lake?

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

Access on this page ↑

Can I fish at Merrymeeting Lake?

Merrymeeting Lake 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.

Access on this page ↑

Where this data comes from

Measurements for Merrymeeting Lake 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

Named boat-access points from the USGS National Boat Ramps inventory