Biosolids; prohibiting land application, spreading, sale, and distribution of certain materials; reporting; remediation; funding policies; emergency.

HB 1726 bans the land application, sale, or distribution of biosolids (treated sewage byproducts) and related products containing perfluoroalkyl substances (PFAS) as fertilizers, soil amendments, or mulch in Oklahoma. It directly affects wastewater treatment facilities, agricultural businesses, and farmers who previously used these materials. Key provisions include exemptions for food-processing compost (e.g., from fruits or grains), manure, and lined landfill disposal, while requiring the Department of Environmental Quality to enforce environmental rules and develop a remediation funding plan for PFAS contamination. The bill also mandates a 2025 report on long-term alternatives for safely managing biosolids and septage.