In this file photo, maintenance worker Aaron Velo installs a bottle of water at Shiloh Elementary School west of Modesto. Because of high nitrate levels, the school switched to using bottled water.
In this file photo, maintenance worker Aaron Velo installs a bottle of water at Shiloh Elementary School west of Modesto. Because of high nitrate levels, the school switched to using bottled water. Joan Barnett Lee jlee@modbee.com
In this file photo, maintenance worker Aaron Velo installs a bottle of water at Shiloh Elementary School west of Modesto. Because of high nitrate levels, the school switched to using bottled water. Joan Barnett Lee jlee@modbee.com