Ten Mile River Lake
Bristol County, Massachusetts111 acresView mapDirections
MassDEP publishes the water-quality measurements for Ten Mile River Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Public access
- Limited data
Ten Mile River Lake in Bristol County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 19.8 µg/L. Surface area: 111 acres.
Ten Mile River Lake is a 111-acre productive, nutrient-rich eutrophic lake in Bristol County, Massachusetts. Limited fish-species data available. Public access is available. Compared to the 4 other monitored lakes in Bristol County, Ten Mile River Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2018-08-22. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Ten Mile River Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
Whether Ten Mile River Lake 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 Ten Mile River Lake
These are the measurements MassDEP publishes for Ten Mile River Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 19.8 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading 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) | 19.8µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Ten Mile River Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
111 acres
Public access
Yes
Listed by MassDEP
No bathymetric survey has been published for Ten Mile River Lake, so its depth is not documented here.
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Stays near Ten Mile River Lake
Compare lakeside cabins, hotels, and vacation rentals near Ten Mile River Lake in Bristol 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Ten Mile River Lake are listed below.
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Fishing Ten Mile River Lake
Reservoir Info (USACE NID)
Ten Mile River Lake is a man-made reservoir impounded by the Falls Pond Dam (completed 1890), built primarily for flood risk reduction on the Tenmile River; earth-type dam, 20 ft tall and 160 ft long.
- Surface area
- 111 ac
- Normal storage
- 807 ac-ft
- Max storage
- 1,420 ac-ft
- Drainage area
- 8.3 sq mi
- Hazard class
- High
- Owner
- Town of North Attleboro
All listed purposes: Flood Risk Reduction;Recreation.
Source: USACE National Inventory of Dams, NID ID MA00865 · Operator website · Matched by proximity (0.52 km)
EPA Impairment Status
Ten Mile River Lake 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, Fish consumption.
Source: EPA ATTAINS assessment unit MA52013 · Official waterbody report
Nearby Lakes in Bristol County
Frequently asked questions about Ten Mile River Lake
Where is Ten Mile River Lake?
- Ten Mile River Lake is a lake in Bristol County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Ten Mile River Lake?
- Ten Mile River Lake in Bristol County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 19.8 µg/L. Surface area: 111 acres.
Is Ten Mile River Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Ten Mile River Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
Can I fish at Ten Mile River Lake?
- Public access to Ten Mile River Lake is listed as yes on the lake record. 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
3 measurements from 1 monitoring station, 2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP3 samples · 2018
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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