The Municipal Water District of Orange County (MWDOC) and its member Orange County water agencies invite you and your company to participate in a program to test and potentially replace pressure regulating valves. The installation program is titled, “Pressure Regulating Valve Replacement Program (PRVRP or Program). MWDOC is soliciting competitive costs from qualified licensed plumbing contractors to provide PRV replacement services for residential homes in Orange County, California.