2022 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.
N/A means not available.

*Rain event occurred within 24 hours of sample collection 

Smith Beach

Marine (Salt) Water Beach
Sample Date  Enterococci 5-Sample Geomean Acceptable for Bathing?
6/14/2022 31 N/A YES
6/21/2022 63 N/A YES
6/29/2022 20 N/A YES
7/5/2022 <10 N/A YES
7/12/22 10 20.81 YES
7/20/22 41 22.01 YES
7/25/22 <10 15.23 YES
8/2/22 <10 13.26 YES
       
       

Sunset Lake

Fresh Water Beach
Sample Date Enterococci 5-Sample Geomean Acceptable for Bathing?
6/14/2022 30 N/A YES
6/21/2022 24 N/A YES
6/29/2022 104 N/A YES
7/5/2022 36 N/A YES
7/12/22 360 62.72 NO
7/14/22 12 52.22 YES
7/20/22 20 50.35 YES
7/25/22 28 38.73 YES
8/2/22 15 32.51 YES