The Derry Cooperative School District is continuing to monitor the water situation at East Derry Memorial Elementary School, with an eye toward having more of the problem resolved before school opens.
Superintendent Laura Nelson gave an update on the water at the July 12 School Board meeting.
Higher than standard concentrations of lead were detected during routine lead and copper water screening this past November. Lead levels were found to be elevated above 15 parts per billion (ppb), the level where action must be taken to reduce lead in drinking water.
The concentrations were found in several faucets, and while they were replaced, some continued to test higher than normal. A phosphate water treatment system was installed during February vacation. In addition, faucets in Rooms 101, 103, 105, 108 and 110 and the cafeteria hand sink were replaced. Continue reading