
Sisters water system dates back to the 1930’s. Supply is currently provided by four wells with a 1.6 million gallon reservoir for storage. The Groundwater is treated by disinfection for public safety, currently by gaseous chlorine and on-site chlorine generators. Transmission and distribution mainlines in the City’s water system total approximately 32 miles and vary in size from 4” to 16” with approximately 1500 active service connections.