​On August 4, 2022, the U.S. Environmental Protection Agency released guidance on conducting a lead service line inventory for compliance with the revised Lead and Copper Rule. The Collaborative is in the process of updating its materials to reflect U.S. EPA's guidance. Stay tuned for updated materials.

Preparing an Inventory:

​Where Do We Start?

The flowchart below outlines key questions to ask when starting the process of preparing an LSL inventory and points to available sources of existing information to build a robust inventory. 

Additional Resources:

• Ohio EPA: Guidelines for Lead Mapping in Distribution Systems