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Lead and Copper Rule Revisions

Service Line Inventory requirements in the Lead and Copper Rule Revisions (LCRR)


The Lead and Copper Rule applies to all community (CWS) and non-transient (NTNC) public water systems. EPA adopted revisions to the Lead and Copper Rule in 2021 that include a requirement for public water systems to conduct inventories of service lines and to identify service line material type. The intent of the service line inventory requirement is to identify those service lines made of lead so that they can be scheduled for removal and replacement.

Public water systems must conduct an inventory of all service lines, on both the water system side and the homeowner side of the meter, and to submit the results to OHA–Drinking Water Services (DWS) by October 16, 2024.


Training: EPA is hosting a one-hour webinar on Wednesday, August 10, at 11 a.m. titled Getting the Lead Out: Guidance for Developing Service Line Inventories and Funding Information on BIL. Click here to register. Also see the DWS Training Opportunities webpage for more information.

 Frequently Asked Questions (FAQ)

Inventory Template – coming soon

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