2018 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 
Count
 5- Sample 
Geomean
 Acceptable For
Bathing?
6/12/18 20 N/A YES
6/19/18 <10* N/A YES
6/26/18 <10 N/A YES
7/2/18 10 N/A YES
7/10/18 52 N/A YES
7/17/18 <10 15.97 YES
7/24/18 10* 5.54 YES
7/31/18 <10 5.54 YES
8/7/18 <10 13.91 YES
8/14/18 10* 13.91 YES
8/21/18 10 3.49 YES
8/28/18 <10 1.58 YES

Sunset Lake

Fresh Water Beach
Sample Date E. Coli
​Count		 5- Sample
​Geomean		 Acceptable For
​Bathing?
6/12/18 8 N/A YES
6/19/18 32* N/A YES
6/26/18 92 N/A YES
7/2/18 48 N/A YES
7/10/18 8 N/A YES
7/17/18 16 21.43 YES
7/24/18 720* 52.71 NO
7/26/18 15 24.30 YES
7/31/18 1600 43.03 NO
8/2/18 30 39.17 YES
8/2/18 25 49.19 YES
8/7/18 224 83.39 YES
8/14/18 600* 83.39 NO
8/16/18 56 108.52 YES
8/21/18 20 45.18 YES
8/28/18 160 63.14 YES