Committee advances bill to require ADEQ rules on biosolids use on agricultural state trust lands after split testimony

Feb 11, 2025

Senate Bill 12-12, which would require ADEQ rulemaking for land application of biosolids and limit state land commissioner denial of fertilizer/biosolid use absent ADEQ findings, received a due-pass recommendation after divided testimony from farmers, Yuma County and environmental groups.

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Senate Bill 12-12, heard Feb. 10, 2025 by the Arizona Senate Natural Resources Committee, would require the director of the Arizona Department of Environmental Quality (ADEQ) to adopt rules regulating application of biosolids to agricultural lands and would constrain the state land commissioner's ability to deny use of fertilizers, biosolids, or soil amendments as a condition of renewing state land leases unless ADEQ has found a violation of specified statutory requirements.

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