Galvanized Requiring Replacement (GRR)

A galvanized service line that was either ever downstream of a lead service line (LSL) or is currently downstream of a service line classified as “status lead unknown service line” under the Lead and Copper Rule Revisions (LCRR). Galvanized service lines downstream of lead goosenecks, pigtails, or connectors are not considered GRR unless there was a lead service line previously located between the connector and the galvanized pipe.

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Recent Resources

Funding and Financing Options for Full Lead Service Line Replacement

Revolving No More: How Earmarks Undermine Funding for Water Infrastructure

Breaking Barriers to Lead Service Line Replacement in New York

Milwaukee is one of the few cities in the country with a prioritization plan to ensure neighborhoods likely to suffer the most severe impacts from lead poisoning get their pipes replaced first. In consultation with a community-based group, Coalition for Lead Emergency (COLE), and following a public engagement process, Milwaukee included in an ordinance three indicators to prioritize where LSLs will be removed first:

  1. The area deprivation index (ADI), which is a compilation of social determinants of health
  2. The percentage of children found to have elevated lead levels in their blood when tested for lead poisoning
  3. The density of lead service lines in the neighborhood.

Read more here.