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

The Quag

Worcester County, Massachusetts32 acresView map Directions

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

Area

32 acres

Surface area

Shoreline

0.9 mi

Measured length

Impaired · Nuisance exotic species

See the measurements Directions Where to stay

The Quag in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 32 acres.

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The Quag is a 32-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. The Quag is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.

Whether The Quag 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 The Quag

These are the measurements MassDEP publishes for The Quag, 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 The Quag

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

Lake Details

Surface area

32 acres

Shoreline

0.9 mi

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

Stays via Stay22

Stays near The Quag

Compare lakeside cabins, hotels, and vacation rentals near The Quag 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 The Quag

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Follow The Quag’s readings

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Fishing The Quag

→ The Quag fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Nuisance exotic species

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit MA81170 · Official waterbody report

Nearby Lakes in Worcester County

West Waushacum Pond0.4 miView →East Waushacum Pond1.2 miView →Lily PondOligotrophic2.8 miView →Wachusett Reservoir25.8 ft clear3.2 miView →South Meadow Pond3.3 miView →Heywood Reservoir4.7 miView →

Frequently asked questions about The Quag

Where is The Quag?: The Quag 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 The Quag?: The Quag in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 32 acres.
Is The Quag safe to swim in?: Nutrient and algae readings are not a swimming clearance. The Quag is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.