Addison County Lake Quality
Vermont, 14 lakes, measured by Vermont DEC
Addison County holds 14 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 5 of those lakes carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. Most monitored lakes in Addison County carry favourable nutrient and algae readings for Vermont.
The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest measured lake is Lake Dunmore.
Where to stay near Addison County
Top-rated places to stay near Addison County
Prices for Oct 23–25, 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 Addison County?
Get lake water-quality updates plus the best cabin & lodging deals near Addison County — straight to your inbox. No spam, unsubscribe anytime.
Quick Answers for Addison County
Planning a trip? Check special fishing regulations for Lake Dunmore — or check the official Vermont fishing regulations.
All Lakes in Addison County
14 lakes · 5 ranked on readings, 9 without enough sampling5 lakes ranked on readings · 9 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Lake DunmoreAddison | 16.4 ft | 10.9 µg/L | 2.9 µg/L | No recent samples | ✓ Public |
| 2 | Silver LakeAddison | 8.2 ft | 6.9 µg/L | 1.2 µg/L | No recent samples | Not recorded |
| 3 | Otter Creek Section LakeAddison | 9.8 ft | 14.3 µg/L | 6.1 µg/L | No recent samples | ✓ Public |
| 4 | Port Henry Section LakeAddison | 10.8 ft | 13.3 µg/L | 5.9 µg/L | No recent samples | ✓ Public |
| 5 | Fern LakeAddison | 20.7 ft | 19 µg/L | 5.3 µg/L | No recent samples | Not recorded |
| Spruce PondAddison | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Vergennes Watershed LakeAddison | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Richville PondAddison | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Sugar Hill ReservoirAddison | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Cedar LakeAddison | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Winona LakeAddison | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Jerome LakeAddison | No recent samples | 164 µg/L | 40.6 µg/L | No recent samples | ✓ Public | |
| L. Champlain LakeAddison | No recent samples | 26.1 µg/L | 4 µg/L | No recent samples | ✓ Public | |
| Johnson PondAddison | No recent samples | No recent samples | No recent samples | No recent samples | 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 Vermont
Browse every Vermont 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 Vermont Department of Environmental Conservation. See data sources.