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

Lake Ellis

Worcester County, Massachusetts87 acresView map Directions

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

Area

87 acres

Surface area

Shoreline

3 mi

Measured length

Impaired · Algal growth

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Lake Ellis in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 87 acres.

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Lake Ellis is a 87-acre lake in Worcester 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. Lake Ellis is listed impaired under Clean Water Act §303(d) (IR 4C) for algal growth, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.

Whether Lake Ellis 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 Lake Ellis

These are the measurements MassDEP publishes for Lake Ellis, 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 Lake Ellis

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

Lake Details

Surface area

87 acres

Shoreline

3 mi

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

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Stays near Lake Ellis

Compare lakeside cabins, hotels, and vacation rentals near Lake Ellis in Worcester 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 Lake Ellis

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

EPA Impairment Status

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

Causes of impairment

Algal growthNoxious aquatic plantsNuisance exotic species

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

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

Source: EPA ATTAINS assessment unit MA35023 · Official waterbody report

Nearby Lakes in Worcester County

Reservoir Number Two1.3 miView →Davenport Pond2.2 miView →Sportsmans Pond2.6 miView →Bates Powers Reservoir2.5 miView →Riceville Pond3.4 miView →White Pond3.2 miView →

Frequently asked questions about Lake Ellis

Where is Lake Ellis?: Lake Ellis is a lake in Worcester County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Lake Ellis?: Lake Ellis in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 87 acres.
Is Lake Ellis safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Ellis is listed impaired under Clean Water Act §303(d) (IR 4C) for algal growth, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.