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National Water Research Institute is a 501c3 nonprofit that was founded in 1991. NWRI collaborates with water utilities, regulators, and researchers in innovative ways to help develop new, healthy, and sustainable sources of drinking water.


We assemble teams of scientific and technical experts that provide credible independent review of water projects, develop recommendations that support investment in water infrastructure and public health, and enable water resource management decisions grounded in science and best practices.


We fund fellowships to support the water scientists of tomorrow, and we award the Clarke Prize, one of the world’s leading water-industry prizes, to water scientists, researchers, and policy experts that are making a difference today.

NWRI’s member agencies include Inland Empire Utilities Agency, Irvine Ranch Water District, Los Angeles Department of Water and Power, Metropolitan Water District of Southern California, Orange County Sanitation District, and Orange County Water District. 

To support the important work that NWRI does, you can make a contribution via PayPal at PayPal.Me/NWRIdonate. Your contribution will help NWRI continue offering these valuable programs.

Dr. Eric Hoek, 2022 Clarke Prize Laureate

NWRI was pleased to honor Dr. Eric Hoek as the 2022 Clarke Prize laureate. He is a professor in UCLA’s Department of Civil & Environmental Engineering and is Faculty Director of the UCLA Sustainable LA Grand Challenge, a partnership with the City of Los Angeles to help LA become the world’s most sustainable megacity by 2050.

Mr. James Irvine Swinden presented the award at the Beckman Center of the National Academies of Sciences & Engineering in Irvine, California, in October 2022. Hoek embodies the accomplishment that the prize was designed to honor when it was established by Mr. Irvine’s mother and grandmother in 1994.

Hoek Award Ceremony group.jpg

L to R, Mr. James Irvine Swinden; Dr. Eric Hoek; Mr. Kevin Hardy, Executive Director of NWRI; and Dr. Pedro Alvarez of Rice University.

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