Lead and Copper Rule Revisions
EPA's 2021 LCRR Implementation Fact Sheet describes the 2021 Lead and Copper Rule Revisions (LCRR) requirements that public water systems must comply with starting on October 16, 2024 as outlined in the Lead and Copper Improvement (LCRI) proposal. These requirements include the initial service line inventory, notification to persons served of known or potential lead service line, Tier 1 public notification of a lead action level exceedance, and associated reporting requirements.