Buckley-Dunton Lake
Berkshire County, Massachusetts154 acresView mapDirections
MassDEP publishes the water-quality measurements for Buckley-Dunton Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
- Limited data
Buckley-Dunton Lake in Berkshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 6.9 µg/L. Surface area: 154 acres.
Buckley-Dunton Lake is a 154-acre mesotrophic lake in Berkshire County, Massachusetts. Overall water quality is declining over recent sampling years. Compared to the 7 other monitored lakes in Berkshire County, Buckley-Dunton Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2016-09-21. 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. Buckley-Dunton Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Buckley-Dunton 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 Buckley-Dunton Lake
These are the measurements MassDEP publishes for Buckley-Dunton 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 6.9 µg/L. TSI 50.
| 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) | 6.9µg/L | Fair GoodFairPoor |
| 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 Buckley-Dunton Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
154 acres
No bathymetric survey has been published for Buckley-Dunton Lake, so its depth is not documented here.
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Fishing Buckley-Dunton Lake
Water quality readings over time
3 seasons of samples on record (2012–2017). Calling a direction takes at least 4 years of the same measurement.
Chlorophyll-a
Worsening+1 µg/L/yr3 years
Reservoir Info (USACE NID)
Buckley-Dunton Lake is a man-made reservoir impounded by the Buckley Dunton Lake Dam (completed 1870), built primarily for recreation on the Yokum Brook; earth-type dam, 22 ft tall and 370 ft long.
- Surface area
- 154 ac
- Normal storage
- 870 ac-ft
- Max storage
- 1,800 ac-ft
- Drainage area
- 2.2 sq mi
- Hazard class
- High
- Owner
- MA Department of Conservation and Recreation
Source: USACE National Inventory of Dams, NID ID MA00202 · Operator website
EPA Impairment Status
Buckley-Dunton Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MA32013 · Official waterbody report
Nearby Lakes in Berkshire County
Frequently asked questions about Buckley-Dunton Lake
Where is Buckley-Dunton Lake?
- Buckley-Dunton Lake is a lake in Berkshire County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Buckley-Dunton Lake?
- Buckley-Dunton Lake in Berkshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 6.9 µg/L. Surface area: 154 acres.
Is Buckley-Dunton Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Buckley-Dunton Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Explore Buckley-Dunton Lake across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP3 samples · 2016
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