Where is Pontoosuc Lake?

Pontoosuc Lake is a lake in Berkshire County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.

Are there boat ramps on Pontoosuc Lake?

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

Can I fish at Pontoosuc Lake?

Pontoosuc 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 Massachusetts's fish and wildlife agency, so check its current regulations before you go.

Pontoosuc Lake

Berkshire County, Massachusetts500 acresView map Directions

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

Area

500 acres

Surface area

Shoreline

6 mi

Measured length

Impaired · Algal growth
Public access

See the measurements Directions Where to stay

Pontoosuc Lake in Berkshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 500 acres.

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Pontoosuc Lake is a 500-acre lake in Berkshire County, Massachusetts. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.

What Pontoosuc Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Pontoosuc Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.

Whether Pontoosuc Lake is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Pontoosuc Lake

These are the measurements MassDEP publishes for Pontoosuc 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 Pontoosuc Lake

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

Lake Details

Surface area

500 acres

Shoreline

6 mi

Public access

Yes

Listed by MassDEP

No bathymetric survey has been published for Pontoosuc Lake, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Pontoosuc LakePublic

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 Pontoosuc Lake

Compare lakeside cabins, hotels, and vacation rentals near Pontoosuc Lake in Berkshire County, Massachusetts — 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 Pontoosuc Lake

→ Pontoosuc Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Pontoosuc Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Algal growthMercuryNoxious aquatic plantsNuisance exotic species

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit MA21083 · Official waterbody report

Nearby Lakes in Berkshire County

Onota Lake2.4 miView →Silver Lake3.1 miView →Cheshire Reservoir3.7 miView →Cheshire Reservoir5.2 miView →Mud Pond5.9 miView →Center Pond4.9 miView →

Frequently asked questions about Pontoosuc Lake

Where is Pontoosuc Lake?: Pontoosuc Lake is a lake in Berkshire County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Pontoosuc Lake?: Pontoosuc Lake in Berkshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 500 acres.
Is Pontoosuc Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Pontoosuc Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.
Are there boat ramps on Pontoosuc Lake?: Pontoosuc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pontoosuc Lake. Public access is listed as yes.
Can I fish at Pontoosuc Lake?: Pontoosuc 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 Massachusetts's fish and wildlife agency, so check its current regulations before you go.