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Addressing Lead in Drinking Water: The Lead and Copper Rule Revisions (LCRR)

Published Jun 22, 2021Updated Jun 20, 2025

The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.

Addressing Lead in Drinking Water: The Lead and Copper Rule Revisions (LCRR) — Informed