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MassDEP aide outlines LCRI deadlines: baseline inventory due Nov. 1, 2027; schools, replacement timelines explained
Summary
Hannah Parson of UMass Amherst, working with MassDEP27s drinking water program, outlined key requirements of the EPA27s Lead and Copper Rule Improvements (LCRI): baseline service line inventories and replacement plans due 11/01/2027, school sampling rules, and a 10-year replacement target for most systems.
Hannah Parson, an assistance provider with UMass Amherst working with the Massachusetts Department of Environmental Protection27s (MassDEP) drinking water program, said the federal Lead and Copper Rule Improvements (LCRI) were finalized on Oct. 30, 2024 and become the compliant rule on Nov. 1, 2027. She told webinar participants that by that date most public water systems (PWS) must submit a baseline service line inventory and a lead service line replacement plan if they have lead service lines, galvanized requiring-replacement (GRR) lines, or unknowns.
The baseline inventory must go beyond the initial 2024 submissions, Parson said: it must include connector information (lead, non-lead, unknown, or "no connector") and street addresses…
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