| Town | Beach Name | State-of-the-art test | Testing Frequency | Results Posted at Beach | Source |
| yes/No | yes/No | ||||
| Arlington | Arlington Beach | no | once every 2 weeks | yes | DPH '00 |
| Boston | Carson's Beach | yes | daily | yes | NRDC '99 |
| Boston | Constitution Beach | yes | daily | yes | NRDC '99 |
| Boston | Donovan's Beach | yes | once every 2 weeks | yes | NRDC '99 |
| Boston | Kings Beach | yes | once a week | yes | NRDC '99 |
| Boston | Malibu Beach | yes | once a week | yes | NRDC '99 |
| Boston | Pearce Lake | yes | once a week | yes | NRDC '99 |
| Boston | Peckam Pond | yes | once a week | yes | NRDC '99 |
| Boston | Pleasure Bay | yes | once a week | yes | NRDC '99 |
| Boston | Savin Hill Beach | yes | once a week | yes | NRDC '99 |
| Boston | Tenean Beach | yes | daily | yes | NRDC '99 |
| Chelsea | Sandy Beach | No | once a week | NRDC '99 | |
| Milton | Houghtons Pond, Blue Hills | No | once a week | yes | NRDC '99 |
| Newton | Crystal Lake Beach | No | once a week | yes | DPH '00 |
| Revere | Revere Beach | yes | once a week | yes | NRDC '99 |
| Winchester | Sandy Beach, Mystic Lake | Yes | once a week | yes | NRDC '99 |
| Winthrop | Winthrop Beach | Yes | once a week | yes | NRDC '99 |
| Wellesley | Morses Pond | No | twice a week | yes | DPH '00 |
| Westwood | North Beach | No | once a week | yes | DPH '00 |