Where is Hardys Pond?

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

Hardys Pond

Middlesex County, Massachusetts43 acresView map Directions

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

Area

43 acres

Surface area

Shoreline

1.3 mi

Measured length

Impaired · Algal growth

See the measurements Directions Where to stay

Hardys Pond in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 43 acres.

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Hardys Pond is a 43-acre lake in Middlesex County, Massachusetts.

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

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Hardys Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, noxious aquatic plants, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.

Whether Hardys 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 Hardys Pond

These are the measurements MassDEP publishes for Hardys 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 Hardys Pond

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

Lake Details

Surface area

43 acres

Shoreline

1.3 mi

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

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Stays near Hardys Pond

Compare lakeside cabins, hotels, and vacation rentals near Hardys 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.

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Fishing Hardys Pond

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

EPA Impairment Status

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

Causes of impairment

Algal growthNoxious aquatic plantsNutrients (phosphorus, nitrogen)Turbidity

Designated uses not supporting: Aquatic life, Recreation, Other.

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

Source: EPA ATTAINS assessment unit MA72045 · Official waterbody report

Nearby Lakes in Middlesex County

Cambridge ReservoirEutrophic1.3 miView →Weston Reservoir4.7 miView →Flints Pond4.2 miView →Spy Pond5 ft clear4.4 miView →Crystal Lake—View →Norumbega Reservoir—View →

Frequently asked questions about Hardys Pond

Where is Hardys Pond?: Hardys 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 Hardys Pond?: Hardys Pond in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 43 acres.
Is Hardys Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hardys Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, noxious aquatic plants, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.