Suffolk County Lake Quality
Massachusetts, 2 lakes, measured by MassDEP
Suffolk County has 2 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. The 2 monitored lakes in Suffolk County carry whatever clarity, phosphorus, and chlorophyll-a readings MassDEP has published, shown as reported.
Many of the county's lakes are deep glacial basins, over 50 feet at their deepest point, which gives them thermal stratification and a buffer against summer warming.
Where to stay near Suffolk County
Top-rated places to stay near Suffolk County
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Suffolk County?
Get lake water-quality updates plus the best cabin & lodging deals near Suffolk County — straight to your inbox. No spam, unsubscribe anytime.
Quick Answers for Suffolk County
Planning a trip? Check special fishing regulations for Chestnut Hill Reservoir — or check the official Massachusetts fishing regulations.
All Lakes in Suffolk County
2 lakes · 0 ranked on readings, 2 without enough sampling0 lakes ranked on readings · 2 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Max Depth | Access |
|---|---|---|---|---|---|---|---|
| Chestnut Hill ReservoirSuffolk | No recent samples | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Jamaica PondSuffolk | No recent samples | No recent samples | No recent samples | No recent samples | 50 ft | Not recorded |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
Lake Match
Which lake suits how you actually use one?
Six questions — swimming, fishing, quiet, cabins, drive time — and a shortlist of lakes that fit, with the water quality behind each one.
Other Counties in Massachusetts
Browse every Massachusetts lake, or the full directory of lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: the Massachusetts Department of Environmental Protection. See data sources.