EPA’s Service Line Inventory Dashboard: How to Use It and What’s Next

Lead Service Line Replacement Collaborative

Watch the webinar here (pw: =0P7B98$)
Download the slides.

The LSL Replacement Collaborative hosts representatives from the EPA to explain their new service line inventory dashboard and how to use it.


Under the Lead and Copper Rule Revisions (LCRR), EPA required public water systems to conduct inventories detailing the service line materials present in their system. Systems were required to submit this data to their respective state/primacy agency, which then submitted the data to EPA. Based on these data, EPA estimates that there are approximately 4 million lead service lines in the US. In November 2025, EPA launched a new dashboard to help users make sense of the country’s service line inventory.


In this webinar, the Lead Service Line Replacement Collaborative will host representatives from the EPA’s Office of Ground Water and Drinking Water involved in development of the dashboard. Our presenters will provide an overview of the dashboard and what information users can find. They will also describe how EPA arrived at its latest LSL estimate and how new data will continue to be added.
Following their presentation and Q&A, our presenters will stay on the line to explore a few examples of the kind of queries users can make and how to manipulate the dashboard to get there. 


Presenters:
Joseph Banegas, IT Specialist, U.S. EPA
Chandler Klawitter, Data Analyst, U.S. EPA


The session will be moderated by LSL Replacement Collaborative Steering Committee members.


Tom Neltner, Unleaded Kids
Roya Alkafaji, Environmental Defense Fund
​