Lakes With Algae Readings in Massachusetts
14 lakes in Massachusetts report elevated algae levels (chlorophyll-a above 20 µg/L). These lakes are most likely to develop blue-green algae blooms during warm, calm summer weather. Avoid swimming during visible blooms and rinse pets after contact.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Wedge Pond | Middlesex | - | - | 70.4 µg/L |
| 2 | Billerica Impoundment Lake | Middlesex | - | - | 68.6 µg/L |
| 3 | Barkers Pond | Middlesex | - | - | 54.5 µg/L |
| 4 | Santuit Pond | Barnstable | - | - | 52.4 µg/L |
| 5 | Cooks Pond | Plymouth | - | - | 48.4 µg/L |
| 6 | Furnace Pond | Plymouth | - | - | 46.8 µg/L |
| 7 | Gleasons Pond | Middlesex | - | - | 43.9 µg/L |
| 8 | South Watuppa Pond | Bristol | - | - | 43.3 µg/L |
| 9 | Bartlett Pond | Worcester | - | - | 37.5 µg/L |
| 10 | Nashawannuck Pond | Hampshire | - | - | 32.4 µg/L |
| 11 | Mill Pond | Barnstable | - | - | 30.5 µg/L |
| 12 | Little Chauncy Pond | Worcester | - | - | 30 µg/L |
| 13 | Upper Artichoke Reservoir | Essex | - | - | 29.2 µg/L |
| 14 | Pequot Pond | Hampden | - | - | 27.5 µg/L |
More Answers for Massachusetts
Get Massachusetts water-quality updates
New readings can change this ranking. Unsubscribe anytime.