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Lake Chaubunagungamaug

Worcester County, MassachusettsView mapDirections

MassDEP publishes the water-quality measurements for Lake Chaubunagungamaug. Here is what has been measured.

Clarity
6.6 ft
Secchi · sampled 2020
  • Impaired · Algal growth
  • Limited data
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Ask about Lake Chaubunagungamaug

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

Lake Chaubunagungamaug in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Water clarity: 6.6 ft visibility.

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Lake Chaubunagungamaug is a lake in Worcester County, Massachusetts. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2020-07-29. Grade methodology: LakeQuality methodology.

What Lake Chaubunagungamaug is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Lake Chaubunagungamaug is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nuisance exotic species, oxygen depletion (low DO). Check local advisories before you swim.

Whether Lake Chaubunagungamaug 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 Chaubunagungamaug

These are the measurements MassDEP publishes for Lake Chaubunagungamaug, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 6.6 ft. TSI 50.

MetricValueEPA condition class
Water Clarity (Secchi Depth)6.6 ftMeasured, not scored
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)50Mesotrophic

Moderate nutrients, good water quality

Recreation & Access

1
Boat Landings
  • Webster Water Ski CollectiveSemi-private

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Fishing Lake Chaubunagungamaug

EPA Impairment Status

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

Causes of impairment

Algal growthNuisance exotic speciesOxygen depletion (low DO)

Source: EPA ATTAINS assessment unit MA42064 · Official waterbody report · Matched by proximity (0.19 km)

Nearby Lakes in Worcester County

Webster Lake0.9 miView →Club Pond—View →Peter Pond—View →Merino Pond—View →Larner Pond—View →Robinson Pond—View →

Frequently asked questions about Lake Chaubunagungamaug

Where is Lake Chaubunagungamaug?

Lake Chaubunagungamaug 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 Chaubunagungamaug?

Lake Chaubunagungamaug in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Water clarity: 6.6 ft visibility.

Is Lake Chaubunagungamaug safe to swim in?

Nutrient and algae readings are not a swimming clearance. Lake Chaubunagungamaug is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nuisance exotic species, oxygen depletion (low DO). Check local advisories before you swim.

Are there boat ramps on Lake Chaubunagungamaug?

Lake Chaubunagungamaug has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Webster Water Ski Collective.

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Where this data comes from

1 measurement from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North American Lake Management SocietyNALMS1 sample · 2020
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Named boat-access points from the USGS National Boat Ramps inventory