Providence Water, although a department of the City of Providence, is regulated by state and federal agencies in addition to city policies and procedures. The quality of our treated drinking water is regulated by the US Environmental Protection Agency and the Rhode Island Department of Health. Our revenue and rate structure is regulated by the Rhode Island Public Utilities Commission.

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Corrosion Control

Providence Water's corrosion control technique of pH and alkalinity adjustment is very common. PW adds lime to the water to increase both pH and alkalinity, which in turn inhibits lead from leaching out of lead piping, solder, and fixtures that contain lead. PW has been working with a panel of nationally recognized experts to improve our corrosion control 
treatment and distribution system maintenance efforts.