Farm Bureau Litigates Central Coast Regional Board Ag Order 4.0 Requirements
Published Friday, September 4, 2026
California Farm Bureau is litigating two cases involving the California State Water Resources Control Board’s review of the Central Coast Regional Water Board’s Ag Order 4.0. Farm Bureau is challenging the Central Coast and state water board’s determination of what constitutes a legally adequate economic analysis of new water quality permit requirements. Farm Bureau is also opposing various environmental groups’ challenge of the state water board’s decision not to require nitrogen discharge limits and nitrogen application limits for irrigated agricultural operations.
Farm Bureau and the environmental groups filed their opening briefs on Feb. 13, 2025. Opposition briefs were filed on April 28 and May 5, 2026. The state water board filed a sur-reply brief to Farm Bureau’s brief on June 1, 2026, disagreeing with Farm Bureau’s challenges to riparian buffer requirements. Final reply briefs were due June 26 and July 6. The two hearings will take place on Sept. 4 and Sept. 11. (Rev. 09/26)
Staff contact: Kari Fisher, kfisher@cfbf.com.
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