State Swimming Water Quality Report
Updated: Friday, June 2, 2023
The parks below are the swimming areas and beaches that the DEEP tests. Samples are collected weekly by DEEP staff and are analyzed at the Department of Public Health (DPH) Lab for the presence of certain indicator bacteria. * Local health departments are responsible for sampling municipal beaches and swimming areas. For information on closures of local swimming areas contact the local public health agency.
| DEEP State Parks | Location | Status |
| SHORELINE | ||
| Hammonasset Beach State Park | Madison | OPEN |
| Rocky Neck State Park | Niantic | OPEN |
| Sherwood Island State Park | Westport | OPEN |
| Silver Sands State Park | Milford | OPEN |
| LAKES AND PONDS | ||
| Black Rock State Park | Watertown | OPEN |
| Burr Pond State Park | Torrington | OPEN |
| Chatfield Hollow State Park | Killingworth | OPEN |
| Cockaponset State Forest (Pattaconk) | Chester | OPEN |
| Day Pond State Park | Colchester | OPEN |
| Gardner Lake State Park | Salem | OPEN |
| Gay City State Park | Hebron | OPEN |
| Hopeville Pond State Park | Griswold | OPEN |
| Indian Well State Park | Shelton | OPEN |
| Lake Waramaug State Park | Kent | OPEN |
| Mount Tom State Park | Litchfield | OPEN |
| Pachaug State Forest (Green Falls Pond) | Voluntown | OPEN |
| Quaddick State Park | Thompson | OPEN |
| Squantz Pond State Park | New Fairfield | OPEN |
| Stratton Brook State Park | Simsbury | OPEN |
| Wadsworth Falls State Park | Middlefield | OPEN |
| Wharton Brook State Park | Wallingford | OPEN |
*Indicator bacteria are not disease-causing pathogens but are one of the tools used by public health and environmental protection authorities to evaluate the potential for contamination of waterbodies.
**Coastal sampling and laboratory analysis partially funded by the Environmental Health Section of DPH