Drinking Water Protection
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Environmental Health Division
Lead and Copper Rule Improvements
For Minnesota Public Water Systems
On Nov. 1, 2027, the Environmental Protection Agency (EPA) Lead and Copper Rule Improvements (LCRI), will go into effect to support development of actions to reduce lead in drinking water.
Service Line Inventory Guidelines
Overview of the recommendations and requirements for systems developing their service line inventory and templates and information for creating and submitting the service line inventory for Community systems.
Service Line Inventory Assistance
Information about MDH’s LSL inventory technical assistance master contract to help systems with the LSL inventory process.
Service Line Material Types and Definitions
Details on defining the different types of service lines in a distribution for a system inventory.
Lead Service Line Replacement Program Facts
Facts regarding Lead Service Line Replacement.
Noncommunity Service Line Material Inventory
Guidance materials for noncommunity system water operators to help with service line inventory development.
Service Line Material Notifications
Systems with at least 1 lead, galvanized requiring replacement, or unknown service line must complete service line material notifications.
Service Line Identification Replacement Plans
Systems with service lines that need to be replaced or identified under LCRI need to submit a service line identification and replacement plan.
Lead in Drinking Water Communication Materials
Materials public water systems can use to communicate with their customers.
Lead and Copper Site Plan Updates
The Lead and Copper Rule requires public water systems to collect from lead and copper sites.
LCRR - Frequently Asked Questions (FAQ)
Archive of questions and answers regarding the LCRR topics from 2020 - 2021.
Return to Lead and Copper Rule Revision.