Snows Pond
Plymouth County, MassachusettsView mapDirections
MassDEP publishes the water-quality measurements for Snows Pond. Here is what has been measured.
- Impaired · Mercury
- Limited data
Ask about Snows Pond
Answers come straight from the public measurements and survey records on this page.
Snows Pond in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Water clarity: 18.6 ft visibility.
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Snows Pond is a lake in Plymouth County, Massachusetts. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2022-07-27. Grade methodology: LakeQuality methodology.
What Snows Pond is good for
From access and monitoring records, not editorial picks.
- Clear water18.6 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Snows Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Snows 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 Snows Pond
These are the measurements MassDEP publishes for Snows Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 18.6 ft down. TSI 35.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 18.6 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Fishing Snows Pond
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.45 m/yr | 2 |
EPA Impairment Status
Snows Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MA95097 · Official waterbody report · Matched by proximity (1 km)
Nearby Lakes in Plymouth County
Frequently asked questions about Snows Pond
Where is Snows Pond?
- Snows Pond is a lake in Plymouth County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Snows Pond?
- Snows Pond in Plymouth County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Water clarity: 18.6 ft visibility.
Is Snows Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Snows Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
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Where this data comes from
8 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2021–2022
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