2020 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

Sample Date Enterococci5-Sample GeomeanAcceptable for Bathing?
6/16/202016N/AYES
6/23/202073N/AYES
6/30/2020169*N/ANO
7/7/2020<10N/AYES
7/14/202055773.40NO
7/21/2020<1058.53NO
7/28/2020<1039.33NO
7/31/2020<1012.83YES
8/4/2020<1012.83YES
8/11/2020105.74YES
8/18/20208410.10YES
8/25/2020<1010.10YES
9/1/2020<1010.10YES


Marine (Salt) Water Beach

Sunset Lake 

Sample Date E. Coli5-Sample GeomeanAcceptable for Bathing?
6/16/202031N/AYES
6/23/202024N/AYES
6/30/202068N/AYES
7/7/2020188N/AYES
7/14/20204045.56YES
7/21/20202047.64YES
7/28/20206858.68YES
8/4/20201241.48YES
8/11/20202828.34YES
8/18/20202525.80YES
8/25/20205231.23YES
9/1/202011634.75YES

Fresh Water Beach