Bartlett Pond
Worcester County, Massachusetts44 acresView mapDirections
Nutrients and algae run well above the regional average.
- Hypereutrophic
- Impaired · Algal growth
- #24 of 24 in the county
- Public access
- Limited data
Bartlett Pond in Worcester County, Massachusetts has a water quality grade of F (Algae-prone). Chlorophyll-a (algae): 37.5 µg/L. Surface area: 44 acres.
- Area
- 44 acres
- Type
- Hypereutrophic
- Chlorophyll-a
- 37.5 µg/L
- Public access
- Yes
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Compare lakeside cabins, hotels, and vacation rentals near Bartlett Pond 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Bartlett Pond are listed below.
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Watch Bartlett Pond’s letter
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Bartlett Pond is a 44-acre highly nutrient-loaded hypereutrophic lake in Worcester County, Massachusetts. Water quality is graded F based on 1 sampling years through 2017. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 23 other monitored lakes in Worcester County, Bartlett Pond ranks #24 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2017-09-07. Grade methodology: LakeQuality methodology.
What Bartlett Pond is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The F is nutrients and algae, not a swimming clearance. Bartlett Pond is listed impaired under Clean Water Act §303(d) (IR 4C) for algal growth, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.
Water Quality Grade: F (Algae-prone)
No clarity data. Chlorophyll-a 37.5 µg/L. TSI 66. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 37.5 µg/L | Poor |
| Trophic State Index (TSI) | 66 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 44 acres |
| Public Access | Yes |
No bathymetric survey has been published for Bartlett Pond, so its depth is not documented here.
Recreation & Access
- Bartlett PondPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Bartlett Pond
Reservoir Info (USACE NID)
Bartlett Pond is a man-made reservoir impounded by the Bartlett Pond Dam (completed 1885), built primarily for recreation on the Stirrup Brook; earth-type dam, 19 ft tall.
- Surface area
- 44 ac
- Normal storage
- 200 ac-ft
- Max storage
- 450 ac-ft
- Drainage area
- 2.95 sq mi
- Hazard class
- Low
- Owner
- 138 Bartlett LLC;MA Department of Conservation and Recreation;Town of Northborough
Source: USACE National Inventory of Dams, NID ID MA00959 · Operator website
EPA Impairment Status
Bartlett Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit MA82007 · Official waterbody report
County Ranking
Ranked #24 of 24 lakes in Worcester County
Nearby Lakes in Worcester County
Frequently asked questions about Bartlett Pond
Where is Bartlett Pond?
- Bartlett Pond is a lake in Worcester County, Massachusetts. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Bartlett Pond?
- Bartlett Pond in Worcester County, Massachusetts has a water quality grade of F (Algae-prone). Chlorophyll-a (algae): 37.5 µg/L. Surface area: 44 acres.
Is Bartlett Pond safe to swim in?
- The F is nutrients and algae, not a swimming clearance. Bartlett Pond is listed impaired under Clean Water Act §303(d) (IR 4C) for algal growth, noxious aquatic plants, nuisance exotic species. Check local advisories before you swim.
Are there boat ramps on Bartlett Pond?
- Bartlett Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Bartlett Pond. Public access is listed as yes.
Explore Bartlett Pond across LakeQuality
Species activity outlook by water temperature and season
Where to stay at Massachusetts's top lakes, each with its grade
Very high nutrients, dense algae, poor clarity
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Other Grade F Lakes in Massachusetts
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Where this data comes from
3 measurements from 1 monitoring station, 2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP3 samples · 2017
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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