How often is bottled and vended water tested?
The law requires bottled and vended water be tested as follows: California (in-State) water bottlers are required to test product water for: 1) coliform bacteria weekly, and 2) physical, chemical and radiological parameters at least once annually. Source water, if obtained from other than a public source, must be tested for coliform bacteria weekly. Out-of-State water bottlers are required to test source water and product water for: 1) coliform bacteria weekly, and 2) physical, chemical, and radiological parameters at least once annually. Private water source operators are required to test source water for: 1) coliform bacteria weekly, and 2) physical, chemical, and radiological parameters at least once annually. Retail water facility and Water vending machine operators are required to test their water for coliform bacteria at least once every 6 months. If purified water is dispensed, dissolved solids must be measured not less frequently than once every 7 days. Water haulers should tes
