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

Are there campgrounds on Great Pond?

Great Pond has 1 public campground from USGS The National Map within 5 km, including Wellfleet Hollow State Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Great Pond

Barnstable County, Massachusetts41 acresView map Directions

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

Area

41 acres

Surface area

Shoreline

0.9 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Great Pond in Barnstable County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 41 acres.

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Great Pond is a 41-acre lake in Barnstable County, Massachusetts.

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

What Great Pond is good for

From access and monitoring records, not editorial picks.

Camping1 public campground nearby

Swimming conditions

No reading

Not rated

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

Whether Great 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.

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Water quality measurements for Great Pond

These are the measurements MassDEP publishes for Great 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 Great Pond

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

Lake Details

Surface area

41 acres

Shoreline

0.9 mi

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

Recreation & Access

Campgrounds

Public campgrounds near Great Pond

Wellfleet Hollow State Campground1.8 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Great Pond

Compare lakeside cabins, hotels, and vacation rentals near Great Pond in Barnstable 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.

Top-rated places to stay near Great Pond

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Follow Great Pond’s readings

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Fishing Great Pond

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

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit MA96117 · Official waterbody report

Nearby Lakes in Barnstable County

Long Pond0.4 miView →Gull Pond1.2 miView →Higgins Pond1.5 miView →Williams PondEutrophic1.7 miView →Slough Pond1.9 miView →Great Pond7.4 miView →

Frequently asked questions about Great Pond

Where is Great Pond?: Great 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 Great Pond?: Great Pond in Barnstable County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 41 acres.
Is Great Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Great Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Are there campgrounds on Great Pond?: Great Pond has 1 public campground from USGS The National Map within 5 km, including Wellfleet Hollow State Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.