Lake Chaubunagungamaug
Worcester County, MassachusettsView mapDirections
MassDEP publishes the water-quality measurements for Lake Chaubunagungamaug. Here is what has been measured.
- Impaired · Algal growth
- Limited data
Lake Chaubunagungamaug in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Water clarity: 6.6 ft visibility.
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. Methodology: how these readings are compared.
What Lake Chaubunagungamaug is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited 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.
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.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 50 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Chaubunagungamaug
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Webster Water Ski CollectiveSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Chaubunagungamaug
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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
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MA42064 · Official waterbody report
Nearby Lakes in Worcester County
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.
Can I fish at Lake Chaubunagungamaug?
- Lake Chaubunagungamaug has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Massachusetts's fish and wildlife agency, so check its current regulations before you go.
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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 Society
NALMS1 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