This list includes waterbodies that have been reported to DPH by local, state and federal partners that manage or regulate the respective waterbody.
- Lake Holland, Belchertown
- Chestnut Hill Reservoir, Boston
- Upper Mill Pond, Brewster
- Lower Mill Pond, Brewster
- Freeman Lake, Chelmsford
- Heart Pond, Chelmsford
- Rubber Thread Pond, Easthampton
- West Reservoir, Harwich
- Schoolhouse Pond, Hyannis
- Long Pond, Marstons Mills
- Santuit Pond, Mashpee
- Clarks Cove, Nantucket
- Capaum Pond, Nantucket
- Hummock Pond, Nantucket
- Lake Cochituate—South Pond, Natick
- Carbuncle Pond, Oxford
- Clear Pond, Plymouth
- Big Sandy Pond, Plymouth
- Russell Mill Pond, Plymouth
- Lake Quannapowitt, Wakefield
- Hardy Pond, Waltham
- Glen Charlie Pond, Wareham
- Pequot Pond/Hampton Ponds, Westfield
- Blackstone Canal, Uxbridge
Please note: This should not be considered a complete list of all advisories in Massachusetts. This list includes waterbodies that have been reported to DPH by local, state and federal partners that manage or regulate the respective waterbody. If you think an algal bloom may be present you are encouraged to avoid contact with the water — WHEN IN DOUBT, STAY OUT! To see examples of what algae blooms look like, please visit the Identifying cyanobacterial blooms and scums page.