Where is Lake Shirley?

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

Lake Shirley

Worcester County, Massachusetts360 acresView map Directions

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

Area

360 acres

Surface area

Shoreline

9.9 mi

Measured length

Impaired · Algal growth

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Lake Shirley in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 360 acres.

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Lake Shirley is a 360-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 Shirley is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, oxygen depletion (low DO), turbidity. Check local advisories before you swim.

Whether Lake Shirley 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 Shirley

These are the measurements MassDEP publishes for Lake Shirley, 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 Shirley

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

Lake Details

Surface area

360 acres

Shoreline

9.9 mi

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

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Stays near Lake Shirley

Compare lakeside cabins, hotels, and vacation rentals near Lake Shirley 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.

Top-rated places to stay near Lake Shirley

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Fishing Lake Shirley

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

EPA Impairment Status

Lake Shirley is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthMercuryNuisance exotic speciesOxygen depletion (low DO)Turbidity

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

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

Source: EPA ATTAINS assessment unit MA81122 · Official waterbody report

Nearby Lakes in Worcester County

Fort PondMesotrophic2.2 miView →Massapoag Pond1.7 miView →Spectacle Pond2.9 miView →White Pond3.3 miView →Lake Whalom3.1 miView →Hickory Hills Lake4.1 miView →

Frequently asked questions about Lake Shirley

Where is Lake Shirley?: Lake Shirley 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 Shirley?: Lake Shirley in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 360 acres.
Is Lake Shirley safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Shirley is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, oxygen depletion (low DO), turbidity. Check local advisories before you swim.