June 15, 2012 (DUXBURY) State environmental officials have closed 10 south shore beaches to swimmers after testing showed elevated bacteria counts in the water due to recent heavy rains.
            
The beaches in Quincy, Duxbury, Hull and Marshfield will be tested again today.      

In Duxbury, residents beach had 30 times the recommended level of bacteria.
            
Beaches are tested on a regular basis during warm weather months to ensure the water is safe for swimming.
            
According to the Barnstable County health department web site -- there were no current beach closures on Cape Cod.
            
Bacteria in the water can cause upset stomachs, diarrhea, rashes, or earaches.