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Senate bill could triple Arizona’s allotment of Clean Water Act funding

Water from the Colorado River diverted through the Central Arizona Project fills an irrigation canal on Aug. 18, 2022, in Maricopa, Ariz.
AP Photo/Matt York, File
Water from the Colorado River diverted through the Central Arizona Project fills an irrigation canal on Aug. 18, 2022, in Maricopa, Ariz.

A bipartisan bill has been introduced in the U.S. Senate that would update how states receive Clean Water Act funding. If passed, it could increase Arizona’s resources to provide drinking water.

The Clean Water Act Allotment Modernization Act would revamp a 36-year-old formula used by the federal government to allocate resources among states. It would require the Environmental Protection Agency to regularly update how it doles out funding based on population and need.

The EPA estimates that the updated formula could triple the amount of funding Arizona receives for water infrastructure and other projects.

Arizona Senator Mark Kelly, who’s a cosponsor of the bill, says a change in the allotment is long overdue and the state’s current needs are far different than in 1987 when it was last updated.

In a 2016 report, the EPA said the current funding formula wasn’t adequate and didn’t reflect the water quality needs of most states. The agency said Arizona had the greatest need for more Clean Water Act funding followed by Florida.

If the legislation is eventually signed into law, the allotment changes would begin in the 2024 fiscal year.

Ryan Heinsius joined the KNAU newsroom as executive producer in 2013 and was named news director and managing editor in 2024. As a reporter, he has covered a broad range of stories from local, state and tribal politics to education, economy, energy and public lands issues, and frequently interviews internationally known and regional musicians. Ryan is an Edward R. Murrow Award winner and a Public Media Journalists Association Award winner, and a frequent contributor to NPR's Morning Edition, All Things Considered and national newscast.