Can We Get the Lead Out? Updates to the Lead and Copper Rule for Public Drinking Water

Michelle Marcus

Review of Environmental Economics and Policy, 2026, vol. 20, issue 1, 45 - 53

Abstract: Despite the well-documented dangers of lead exposure, millions of homes still rely on lead service lines (LSLs), contributing to elevated lead levels in drinking water. This article discusses the Lead and Copper Rule Improvements (LCRI), which aim to accelerate the removal of LSLs and to strengthen public health protections. The article highlights the LCRI’s key provisions, including mandatory LSL replacement throughout the country within 10 years, stricter lead action levels, improved tap sampling methods, required testing in schools, and expanded public communication and transparency. Although the LCRI represents significant progress, challenges related to funding, legal barriers, and equitable implementation remain. Addressing these obstacles is crucial for achieving the goal of eliminating lead exposure through drinking water and protecting vulnerable populations, especially children.

Date: 2026
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