Main Renewal and Seismic Upgrade Program (MRSUP)

As part of its commitment to delivering a reliable drinking water MRSUP Logo Ver02.pngsupply to more than 356,000 people living and working in Fremont, Newark, and Union City, the District implemented a District-wide Main Renewal and Seismic Upgrade Program (MRSUP). MRSUP projects include upgrading and seismically retrofitting water delivery pipelines and facilities. Intensive infrastructure upgrades will help improve water supply reliability for District customers in the event of a major earthquake and will reduce service interruptions due to aging pipelines.

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Main Renewal and Seismic Upgrade Program Related Projects


  1. What is the purpose of the Main Replacement and Seismic Upgrade Program?
  2. How can I stay up to date on the construction schedule?
  3. Why are the construction projects spread over multiple years?