AWWA JAW11042

The monitoring requirements for corrosion control in public drinking water systems established in 1980 placed responsibility with individual water purveyors, in conjunction with state regulation. The monitoring deadline was February 1983. Once data were gathered, their usefulness in addressing corrosion problems depended on how they were compiled. This report provides guidance for organizing these data, suggests laboratory and field investigations, and outlines a corrosion control strategy. The guidelines address the following areas: evaluation of corrosivity through construction materials survey; water quality analyses; comparison of corrosion indicators; selection of sampling sites for the transmission and distribution system; residential plumbing system monitoring; and initial corrosion potential determination. The evaluation should also encompass detailed water quality sampling, pipe- and coupon-testing, field sampling and pilotplant programs, and comparison of field and pilot tests. The final item included in the guidelines covers development of a corrosion control strategy. Includes 5 references, tables, figure.