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Lead Awareness and Drinking Water Safety

CWLP reduces risks of corrosion and metals, such as lead, from leaching into its drinking water by adding lime during the purification process. Lime softening raises the pH of finished drinking water, resulting in slightly scale forming water, which is non-corrosive. The lime scale in the pipes and the pH of CWLP’s drinking water prevents corrosion and thus limits the risk of metals such as lead from leaching into drinking water from service lines and plumbing fixtures in older homes. CWLP’s water distribution system is composed of mostly ductile iron and cast iron water mains. Lead pipe is not part of the CWLP transmission or distribution water mains.


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