Heard Pond
Middlesex County, Massachusetts76 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Algal growth
- 9 ft max depth
Heard Pond in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 8.5 ft. Surface area: 76 acres.
Heard Pond is a 76-acre lake in Middlesex County, Massachusetts with a maximum depth of 9 feet.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Heard Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, noxious aquatic plants, nuisance exotic species, turbidity. Check local advisories before you swim.
Whether Heard 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.
Water quality measurements for Heard Pond
These are the measurements MassDEP publishes for Heard 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 Heard Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
8.5 ft
Surface area
76 acres
Shoreline
2 mi
Stays via Stay22
Stays near Heard Pond
Compare lakeside cabins, hotels, and vacation rentals near Heard Pond in Middlesex 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 Heard 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.
Planning a whole trip? See where to stay at Massachusetts’s top lakes →
Follow Heard Pond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Heard Pond
EPA Impairment Status
Heard Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption, Recreation, Other.
Source: EPA ATTAINS assessment unit MA82058 · Official waterbody report
Nearby Lakes in Middlesex County
Frequently asked questions about Heard Pond
Where is Heard Pond?
- Heard Pond is a lake in Middlesex County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Heard Pond?
- Heard Pond in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 8.5 ft. Surface area: 76 acres.
Is Heard Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Heard Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, noxious aquatic plants, nuisance exotic species, turbidity. Check local advisories before you swim.
How deep is Heard Pond?
- Heard Pond has a maximum depth of 8.5 feet. The lake covers 76 acres.
Explore Heard Pond across LakeQuality
More lakes in Massachusetts
Other Lakes in Massachusetts
Where this data comes from
Measurements for Heard Pond 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