Damon Pond
Hampshire County, Massachusetts85 acresView mapDirections
MassDEP publishes the water-quality measurements for Damon Pond. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
- 36 ft max depth
- Limited data
Damon Pond in Hampshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 3.9 µg/L. Surface area: 85 acres.
Damon Pond is a 85-acre mesotrophic lake in Hampshire County, Massachusetts with an estimated average depth of about 36 feet. Compared to the 3 other monitored lakes in Hampshire County, Damon Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2016-09-01. 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. Damon Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Damon Pond 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 Damon Pond
These are the measurements MassDEP publishes for Damon Pond, 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 3.9 µg/L. TSI 44.
| 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) | 3.9µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Damon Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~36 ft est.
Surface area
85 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Massachusetts has not published bathymetry for Damon Pond.
Lake Size & Watershed
Watershed (drainage) area
3 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.9 mi
HydroLAKES / HydroSHEDS
Elevation
1,234 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Fishing Damon Pond
Reservoir Info (USACE NID)
Damon Pond is a man-made reservoir impounded by the Damon Pond Dam (completed 1760), built primarily for recreation on the Dead Branch Brook; earth-type dam, 17 ft tall and 250 ft long.
- Surface area
- 85 ac
- Normal storage
- 255 ac-ft
- Max storage
- 900 ac-ft
- Drainage area
- 2.27 sq mi
- Hazard class
- Significant
- Owner
- Lake Damon Corporation
Source: USACE National Inventory of Dams, NID ID MA00060 · Operator website
EPA Impairment Status
Damon Pond 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: Fish consumption.
Source: EPA ATTAINS assessment unit MA32029 · Official waterbody report
Nearby Lakes in Hampshire County
Frequently asked questions about Damon Pond
Where is Damon Pond?
- Damon Pond is a lake in Hampshire County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Damon Pond?
- Damon Pond in Hampshire County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 3.9 µg/L. Surface area: 85 acres.
Is Damon Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Damon Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Damon Pond?
- No published bathymetric survey covers Damon Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 36 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 85 acres.
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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
Lake size & watershed from HydroLAKES (HydroSHEDS)