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2024 Bathing Beach Water Test Results
The Braintree Health Department considers an individual bathing beach water sample with an enterococci count less than 104 acceptable for bathing/swimming in marine water.
Counts greater than 104 indicate the water is unacceptable for swimming/bathing and the beach will be posted as such. A 5-sample Enterococci Geometric Mean value greater than 35 also indicates the water is unacceptable for swimming/bathing.
The Braintree Health Department considers an individual bathing beach water sample with an E. coli count less than 235 acceptable for bathing/swimming in fresh water.
Counts greater than 235 indicate the water is unacceptable for swimming/bathing and the beach will be posted as such. A 5-sample E. coli Geometric Mean value greater than 126 also indicates the water is unacceptable for swimming/bathing.
NA means not available.
*Rain event occurred within 24 hours of sample collection
Smith Beach
| Sample Date | Enterocci | 5-Sample Geomean | Acceptable for Bathing? |
|---|---|---|---|
| 6/17/24 | 41 | NA | YES |
| 6/25/24 | 355 | NA | NO |
| 7/2/24 | 221 | NA | NO |
| 7/9/24 | <10 | NA | YES |
| 7/16/24 | 31 | 54.90 | NO |
| 7/22/24 12:25pm | 41 | 54.90 | NO |
| 7/22/24 4:30pm | 52 | 37.39 | NO |
| 7/30/24 | 41 | 26.69 | YES |
| 8/7/24 | 96 | 48.20 | NO |
| 8/13/24 | 109 | 61.98 | NO |
| 8/21/24 | 108 | 75.23 | NO |
| 8/26/24 | 20 | 62.14 | NO |
Sunset Lake
| Sample Date | E.Coli Count | 5-Sample GeoMean | Acceptable for Bathing? |
|---|---|---|---|
| 6/17/24 | 5 | NA | YES |
| 6/25/24 | 36 | NA | YES |
| 7/2/24 | 5 | NA | YES |
| 7/9/24 | 40 | NA | YES |
| 7/16/24 | 12 | 13.40 | YES |
| 7/22/24 | 60 | 22.03 | YES |
| 7/30/24 | 45 | 23.03 | YES |
| 8/7/24 | 20 | 30.39 | YES |
| 8/13/24 | 180 | 41.06 | YES |
| 8/21/24 | 10 | 39.59 | YES |
| 8/26/24 | 36 | 35.74 | YES |