Water is pulled from the South Umpqua river at a rate of 1200 to 3600 gallons per minute (GPM), depending on the demand. Based on the water’s PH, turbidity, and temperature, a coagulant called Aluminum Chloride Hydroxide (ACH) is then added. The ACH helps with floc formation in the settling basin. Flocculation is a treatment process where solids form large clusters, or flocs, to be removed from…

Collection

Green Area Water & Sanitary Authority routinely monitors for constituents in your drinking water according to federal and state laws, and the EPA has determined that your water is safe. Our Authority and its employees are proud that your drinking water consistently meets and often exceeds all federal and state requirements. 

Backflow devices are mechanical devices designed to prevent the backflow of pollutants or contaminants from entering the safe drinking water system.