Water & Air / Products / Lead Service Line Replacement Program — Lead Pipe Infrastructure, EPA Lead and Copper Rule Revisions, Partial Replacement Risks (Galvanic Corrosion)

Lead Service Line Replacement Program — Lead Pipe Infrastructure, EPA Lead and Copper Rule Revisions, Partial Replacement Risks (Galvanic Corrosion) — water/air safety profile

High risk

An estimated 9.2 million lead service lines (LSLs) connect US water mains to homes, delivering water through pipes that leach dissolved lead (Pb2+) and particulate lead into drinking water.

What is this product?

An estimated 9.2 million lead service lines (LSLs) connect US water mains to homes, delivering water through pipes that leach dissolved lead (Pb2+) and particulate lead into drinking water. The EPA Lead and Copper Rule Revisions (LCRR, 2021) and the Lead and Copper Rule Improvements (LCRI, 2024) mandate inventorying and replacing all lead service lines within 10 years — the most significant drinking water infrastructure mandate since the SDWA. Lead in drinking water has no safe level (EPA MCLG = 0); even low-level exposure in children (blood lead >3.5 ug/dL, the current CDC reference value) causes irreversible neurodevelopmental damage including IQ reduction of 1-5 points per 10 ug/dL increase in blood lead. The Flint, Michigan water crisis (2014-2019) demonstrated catastrophic lead release when corrosion control treatment was discontinued, exposing 100,000+ residents including children. Critically, partial lead service line replacement (replacing only the utility-owned portion) can temporarily increase lead levels due to galvanic corrosion at the new copper-old lead junction.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Pipe Material Contaminant

Frequently asked questions

No FAQs generated.

Look up Lead Service Line Replacement Program — Lead Pipe Infrastructure, EPA Lead and Copper Rule Revisions, Partial Replacement Risks (Galvanic Corrosion) in the water app

Search by ingredient, browse by category, or compare to alternatives in the live app.

Open in water View raw API data

Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →