Colchester Beach
Please note that the beach water testing program has ended for the 2025 season and will resume in the spring of 2026.
Continue to enjoy using our beaches with these safety tips.
| Status | E.coli Level | Sampling Date | Blue-Green Algae Visually Observed |
|---|---|---|---|
| Open | 18.00 | No | |
| Open | 173.00 | No | |
| Warning | 923.00 | No | |
| Warning | 863.00 | No | |
| Closed | 1000.00 | No | |
| Closed | 1000.00 | No | |
| Warning | 296.00 | No | |
| Warning | 302.00 | No | |
| Open | 127.00 | No | |
| Warning | 801.00 | No | |
| Open | 85.00 | No | |
| Open | 127.00 | No | |
| Open | 35.00 | No | |
| Open | 33.00 | No |
Historic Testing Data for Colchester Beach
| Status | E.coli Level | Sampling Date | Blue-Green Algae Visually Observed |
|---|---|---|---|
| Open | 65.00 | No | |
| Open | 10.00 | No | |
| Warning | 313.00 | No | |
| Warning | 236.00 | No | |
| Warning | 204.00 | No | |
| Closed | 1000.00 | No | |
| Open | 142.00 | No | |
| Open | 34.00 | No | |
| Warning | 676.00 | No | |
| Open | 44.00 | No | |
| Open | 19.00 | No | |
| Open | 38.00 | No | |
| Warning | 319.00 | No | |
| Open | 22.00 | No | |
| Open | 62.00 | No | |
| Open | 10.00 | No |
Predictive Modeling Data for Colchester Beach
| Sampling Date | Risk Level |
|---|---|
| August 29, 2025 | Not Applicable |
| August 28, 2025 | Not Applicable |
| August 27, 2025 | Moderate |
| August 26, 2025 | Not Applicable |
| August 25, 2025 | Not Applicable |
| August 24, 2025 | Not Applicable |
| August 22, 2025 | Moderate |
| August 21, 2025 | Not Applicable |
| August 20, 2025 | Moderate |
| August 19, 2025 | Moderate |
| August 18, 2025 | Moderate |
| August 17, 2025 | Not Applicable |
| August 15, 2025 | Not Applicable |
| August 14, 2025 | Moderate |
| August 13, 2025 | Moderate |
| August 12, 2025 | Moderate |
| August 11, 2025 | Moderate |
| August 10, 2025 | Not Applicable |
| August 8, 2025 | Moderate |
| August 7, 2025 | Beach Closed |
| August 6, 2025 | Beach Closed |
| August 5, 2025 | Beach Closed |
| August 4, 2025 | Beach Closed |
| August 1, 2025 | Beach Closed |
| July 31, 2025 | Beach Closed |
| July 30, 2025 | Beach Closed |
| July 29, 2025 | Beach Closed |
| July 28, 2025 | Beach Closed |
| July 27, 2025 | Beach Closed |
| July 25, 2025 | Beach Closed |
| July 24, 2025 | Beach Closed |
| July 23, 2025 | Beach Closed |
| July 22, 2025 | Moderate |
| July 21, 2025 | Not Applicable |
| July 20, 2025 | Not Applicable |
| July 18, 2025 | Moderate |
| July 17, 2025 | Not Applicable |
| July 16, 2025 | Not Applicable |
| July 15, 2025 | Moderate |
| July 14, 2025 | Moderate |
| July 11, 2025 | Moderate |
| July 10, 2025 | Moderate |
| July 9, 2025 | Not Applicable |
| July 8, 2025 | Moderate |
| July 7, 2025 | Not Applicable |
| July 6, 2025 | Not Applicable |
| July 4, 2025 | Not Applicable |
| July 3, 2025 | Moderate |
| July 2, 2025 | Moderate |
| July 1, 2025 | Moderate |
| June 30, 2025 | Not Applicable |
| June 29, 2025 | Not Applicable |
| June 27, 2025 | Moderate |
| June 26, 2025 | Moderate |
| June 25, 2025 | Moderate |
| June 24, 2025 | Moderate |
| June 23, 2025 | High |
| June 22, 2025 | Not Applicable |
| June 20, 2025 | High |
| June 19, 2025 | Not Applicable |
| June 18, 2025 | Moderate |
| June 17, 2025 | Moderate |
| June 16, 2025 | Moderate |
| June 15, 2025 | Not Applicable |
| June 13, 2025 | Moderate |
| June 12, 2025 | Not Applicable |
| June 11, 2025 | Not Applicable |
| June 10, 2025 | Not Applicable |
| June 9, 2025 | Moderate |
| June 8, 2025 | Not Applicable |
| June 7, 2025 | Not Applicable |
| June 6, 2025 | Moderate |
| June 5, 2025 | Moderate |
| June 4, 2025 | Moderate |
| June 3, 2025 | Moderate |
| June 2, 2025 | Low |
| June 1, 2025 | Not Applicable |
| May 30, 2025 | Not Applicable |
| May 29, 2025 | Not Applicable |
| May 28, 2025 | Not Applicable |