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Lead and Copper

Informational Links Regarding Their Effects on Drinking Water and You


The purpose of the Lead and Copper Rule (LCR) is to protect public health by minimizing lead and copper levels in drinking water, primarily by reducing corrosivity. Lead and copper enter drinking water mainly from corrosion of lead and copper containing plumbing materials. The rule establishes an action level (AL) of 0.015 milligrams per liter (mg/L) for lead and 1.3 mg/L for copper based on 90th percentile level of tap water samples. An action level exceedance is not a violation but triggers other requirements to minimize exposure to lead and copper in drinking water, that include water quality parameter monitoring, corrosion control treatment, source water monitoring/treatment, public education, and lead service line replacement. All community water supplies and nontransient noncommunity water supplies are subject to the LCR requirements.

For more information on the Lead and Copper Rule, including the final rules and the Quick Reference Guide, visit the web site of the U.S. EPA at http://water.epa.gov/lawsregs/rulesregs/sdwa/lcr/index.cfm


Protecting Your Family From Lead

Basic Information About Lead in Drinking Water

Letter from EPA regarding Lead and Copper Sampling Changes

Recommended Tap Sampling Procedures for Lead and Copper

Lead and Copper Compliance Help for Public Water Systems

Optimal Corrosion Control Treatment Evaluations

Lead in Drinking Water - as presented by OEHS, Environmental Engineering Division


Various information and forms for collection procedures, certifications of sample sites and Optimal Corrosion Control Recommendations

      Lead and Copper Sample Collection Procedures for Homeowner Tap Samples

      Lead and Copper Sample Site Certification Form Form 141-A

      Optimal Corrosion Control Recommendation Form Form 141-C


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Last updated June 06, 2016.