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

Echo Lake

Middlesex County, Massachusetts105 acresView map Directions

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

Area

105 acres

Surface area

Impaired · Mercury

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Echo Lake in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 105 acres.

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Echo Lake is a 105-acre lake in Middlesex County, Massachusetts.

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

Swimming conditions

No reading

Not rated

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

Whether Echo 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 Echo Lake

These are the measurements MassDEP publishes for Echo 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 Echo Lake

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

Lake Details

Surface area

105 acres

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

Stays via Stay22

Stays near Echo Lake

Compare lakeside cabins, hotels, and vacation rentals near Echo Lake 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 Echo Lake

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

EPA Impairment Status

Echo Lake 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 MA72035 · Official waterbody report

Nearby Lakes in Middlesex County

North Pond2.3 miView →Ashland Reservoir4 miView →Whitehall Reservoir3.9 miView →Lake Winthrop4.5 miView →Bracket Reservoir (Number Two)—View →Waushakum Pond—View →

Frequently asked questions about Echo Lake

Where is Echo Lake?: Echo Lake 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 Echo Lake?: Echo Lake in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 105 acres.
Is Echo Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Echo Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.