Assembly debate exposes deep divides over Nitrogen Pollution Reduction Act
Apr 14, 2026
AB 2447 would require regional numeric limits and deadlines to curb nitrogen fertilizer runoff; environmental groups urged strong limits and timelines, while broad opposition from agricultural and water agencies warned the goals are infeasible on the bill’s current schedule.
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Assemblymember Bauer Kehan presented AB 2447, the Nitrogen Pollution Reduction Act, which would direct state and regional water boards to set regionally appropriate numeric limits on nitrogen fertilizer application and to renew waste discharge requirements with limits by 2028 and ensure compliance milestones by 2030. Supporters argued numeric limits are necessary to protect drinking water and ecosystems; NRDC and the Union of Concerned Scientists said numeric limits drive behavior and cited modeling showing a minority of fields cause the majority of pollution.
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