Where is Coes Reservoir?

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

Coes Reservoir

Worcester County, Massachusetts91 acresView map Directions

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

Area

91 acres

Surface area

Shoreline

2.8 mi

Measured length

Impaired · Noxious aquatic plants

See the measurements Directions Where to stay

Coes Reservoir in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 91 acres.

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Coes Reservoir is a 91-acre lake in Worcester 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. Coes Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.

Whether Coes Reservoir 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 Coes Reservoir

These are the measurements MassDEP publishes for Coes Reservoir, 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.

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

Lake Details

Surface area

91 acres

Shoreline

2.8 mi

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

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Stays near Coes Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Coes Reservoir 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 Coes Reservoir

→ Coes Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Noxious aquatic plantsNuisance exotic species

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit MA51024 · Official waterbody report

Nearby Lakes in Worcester County

Curtis Ponds0.9 miView →Patch Reservoir1.2 miView →Leesville Pond1.9 miView →Stoneville Pond2.3 miView →Lynde Brook Reservoir1.8 miView →Waite Pond2.5 miView →

Frequently asked questions about Coes Reservoir

Where is Coes Reservoir?: Coes Reservoir 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 Coes Reservoir?: Coes Reservoir in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 91 acres.
Is Coes Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Coes Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.