Yuima MWD has completed the initial lead service line inventory required by U.S. EPA’s Lead and Copper Rule Revisions. The deadline for the initial inventories was October 16, 2024. 

Through completing a historical records review and field investigations, Yuima has determined it has no lead or galvanized requiring replacement service lines in its distribution system. This includes any privately-owned or customer-owned service lines.

Yuima reviewed all applicable sources of information, including 

  • All construction and plumbing codes, permits, and existing records or other documentation which indicates the service line materials;
  • All water system records, including distribution system maps and drawings, historical records on each service connection, meter installation records, historical capital improvement or master plans, and standard operating procedures; 
  • All inspections and records of the distribution system that indicate service line material, including inspections conducted during the course of normal operations 

In addition to reviewing the above sources of information, Yuima performed a field inspection for every meter connection served by the District's water system.  This means that District staff physically inspected each service connection to determine the type of material used in both the District's portion of the service line and the customers side of the service line. 

No lead or galvanized requiring replacement service lines were identified. Service lines installed on or after January 1, 1987 do not contain any lead pipe requiring replacement as the use of lead pipe material in new construction was banned by the California Health and Safety Code, Section 300.6 on January 1, 1986. 

A detailed list of service connection materials is available at the District office.

Yuima MWD's drinking water continues to meet and/or exceed water quality standards.