Where is Ashumet Pond?

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

How deep is Ashumet Pond?

Ashumet Pond has a maximum depth of 65 feet. The lake covers 203 acres.

Are there boat ramps on Ashumet Pond?

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

Can I fish at Ashumet Pond?

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

Ashumet Pond

Barnstable County, Massachusetts203 acresView map Directions

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

Max depth

65 ft

Bathymetric survey

Area

203 acres

Surface area

Shoreline

2.6 mi

Measured length

Impaired · Biotoxins
65 ft max depth
Public access

See the measurements Directions Where to stay

Ashumet Pond in Barnstable County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 65 ft. Surface area: 203 acres.

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Ashumet Pond is a 203-acre lake in Barnstable County, Massachusetts with a maximum depth of 65 feet. 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 Ashumet Pond is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water65 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Ashumet Pond is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.

Whether Ashumet Pond 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.

Get alerts for Ashumet Pond →

Water quality measurements for Ashumet Pond

These are the measurements MassDEP publishes for Ashumet 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 Ashumet Pond

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

→ Ashumet Pond water level: the live USGS gauge reading

Lake Details

Max depth

65 ft

Surface area

203 acres

Shoreline

2.6 mi

Public access

Yes

Listed by MassDEP

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

Recreation & Access

Boat Landings

Yes

Public Access

Ashumet 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 Ashumet Pond

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Fishing Ashumet Pond

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

EPA Impairment Status

Ashumet Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

BiotoxinsMercuryNutrients (phosphorus, nitrogen)Oxygen depletion (low DO)

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit MA96004 · Official waterbody report

Nearby Lakes in Barnstable County

Johns Pond0.8 miView →Coonamessett PondEutrophic1.8 miView →Deep Pond2.4 miView →Snake Pond3.5 miView →Crooked Pond2.8 miView →Mashpee PondEutrophic3.1 miView →

Frequently asked questions about Ashumet Pond

Where is Ashumet Pond?: Ashumet Pond is a lake in Barnstable County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Ashumet Pond?: Ashumet Pond in Barnstable County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 65 ft. Surface area: 203 acres.
Is Ashumet Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Ashumet Pond is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
How deep is Ashumet Pond?: Ashumet Pond has a maximum depth of 65 feet. The lake covers 203 acres.
Are there boat ramps on Ashumet Pond?: Ashumet Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ashumet Pond. Public access is listed as yes.
Can I fish at Ashumet Pond?: Ashumet 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 Massachusetts's fish and wildlife agency, so check its current regulations before you go.