Harmful Blue-Green Algae Bloom-related Beach Closure Summary
More regulated beaches are closing their swimming areas more frequently and for longer periods of time to ensure that people avoid contact with blue-green algae blooms and their toxins. When a blue-green algae bloom is present at a bathing beach, the swimming area must be closed to protect public health, regardless if toxins are present.
2021 Summary Data
| County | # Times Beaches Closed | # Beaches Closed | Waterbodies with Beach Closures | # Lost Beach Days |
|---|---|---|---|---|
| Broome | 2 | 2 | Greenwood Park Lake, Whitney Point Reservoir, | 120 |
| Cattaraugus | 7 | 2 | Quaker Lake, Red House Lake | 61 |
| Cayuga | 5 | 3 | Cayuga Lake, Owasco Lake | 51 |
| Chautauqua | 5 | 1 | Chautauqua Lake | 31 |
| Clinton | 6 | 2 | Lake Champlain | 22 |
| Delaware | 2 | 2 | East Sidney Lake, Launt Lake | 67 |
| Essex | 4 | 3 | Lake Champlain | 24 |
| Jefferson | 5 | 3 | Lake Ontario | 21 |
| Livingston | 5 | 2 | Conesus Lake | 36 |
| Oneida | 1 | 1 | Oneida Lake | 6 |
| Onondaga | 2 | 2 | Cross Reservoir, Jamesville Reservoir | 14 |
| Ontario | 3 | 3 | Honeoye Lake, Canandaigua Lake | 27 |
| Putnam | 27 | 13 | Lake Carmel, Lake Casse, Putnam Lake, Lake Peekskill, Cortlandt Lake, Oscawana Lake, Roaring Brook Lake | 314 |
| Rockland | 3 | 2 | Lake welch, Lake Boyce | 14 |
| Tompkins | 5 | 4 | Cayuga Lake, Jennings Pond | 60 |
| Westchester | 3 | 2 | Lake Mohegan | 25 |
| Wyoming | 1 | 1 | Yogi and Boo Boo's Campground Pond | 28 |
| Yates | 2 | 2 | Keuka Lake | 13 |
