The State of Minnesota has developed an online tool mapping all inventories throughout the state, down to the individual line. The website and database are created in collaboration with academic partners.

This guide compiles recommendations for how to implement an equitable LSLR program, including data sources to use in prioritization decisions.

NC DEQ provides guidance and templates for lead service line inventories and notices for lead, galvanized requiring replacement, and unknown material service lines.

ESRI’s Lead Service Line Inventory Solution configures ArcGIS to create and maintain lead service inventories, conduct material verifications in the field, manage replacement activities, monitor progress, and inform the community. ArcGIS platform is a common GIS tool leveraged in the water sector for maintaining assets.

The Freshwater Collaborative of Wisconsin, along with Jacobs Engineering and UW Oshkosh, hired students to collect service line information.

New York requires water systems to develop and submit service line inventories to the Department of Health, and for the department to make these inventories public. NY. Pub. Health Law § 1114-b.

Illinois State law requires all water systems to develop and maintain service line inventories. Water systems must submit inventories to the IL Environmental Protection agency and be made publicly available on the IL EPA website. 415 ILCS 5/17.12 §17.12 (a). This law also prioritizes replacements for high-risk facilities, such as preschools, child care facilities, parks, playgrounds, hospitals, and clinics, and high-risk areas identified by the community water supply. 20 ILCS 605 §605-870(c).

Thanks to support from The Garage Community and Youth Center volunteers, the Borough of Avondale achieved an 80% customer response rate for service line inventory information.

Vyntelligence provides a platform used by utilities in the UK to collect customer information and document new service connections. The platform allows video to be captured as a communication and documentation tool.

In 2018 the state’s Lead and Copper Rule required water suppliers to annually remove an average of 5% of LSLs in their system, effectively setting a 20-year timeline (p. 2).