Environmental protection: hazardous waste; environmental protection; landfills; disposal fees; increase, and limit certain disposal wells and TENORM disposal. Amends secs. 11102, 11103, 11104, 11108, 11109, 11110, 11125, 11132, 11514b, 11525a, 62501 & 62509 of 1994 PA 451 (MCL 324.11102 et seq.); adds secs. 11122, 62508b & 62509d & repeals secs. 11111 & 11112 of 1994 PA 451 (MCL 324.11111 & 324.11112).
HB4393 would substantially revise Michigan’s hazardous waste and mineral well regulatory framework under the Natural Resources and Environmental Protection Act. The bill updates definitions related to hazardous waste, limited-activity radioactive material (LARM), technologically enhanced naturally occurring radioactive material (TENORM), and several categories of hazardous waste facilities and wells. It also requires the Department of Environment, Great Lakes, and Energy to prepare a new hazardous and LARM waste management plan on a five-year cycle, with expanded analysis of waste streams, capacity, siting criteria, transportation, environmental justice concerns, and waste reduction strategies.
The bill imposes a temporary moratorium on new or expanded multisource commercial hazardous waste treatment, storage, or disposal facilities until the new plan is adopted and implemented, subject to limited exceptions for compliance and newly regulated wastes. It also tightens siting restrictions for new or expanded facilities, including distance and community-impact limits, and bars certain new or converted hazardous waste disposal wells and class IV wells. In addition, the bill increases landfill disposal fees and TENORM fees beginning in 2026, adds inflation adjustments beginning in 2031, and creates or revises several dedicated funds and grant programs tied to cleanup, host community support, municipal reimbursement, and materials management planning.
The bill’s impact on state law is broad. It would amend multiple sections of Part 111 and Part 115 of the NREPA, add new sections governing planning, moratoriums, and financial responsibility, and repeal two existing sections. It would also change the rules for TENORM disposal in landfills and type II landfills, including concentration limits, reporting, monitoring, and placement requirements, while prohibiting some higher-concentration TENORM disposal that had previously been allowed under certain licenses. For mineral wells and disposal wells, the bill adds new permitting, public notice, and financial assurance requirements, including surety bonds, cash accounts, insurance coverage, and post-closure obligations.
Overall sentiment appears generally supportive of stronger environmental controls, though no committee transcripts or recorded votes were provided to show formal debate. The bill’s structure suggests a policy emphasis on reducing hazardous waste disposal, improving oversight, and shifting waste management toward reduction, recycling, and treatment rather than landfilling. The inclusion of environmental justice screening, cumulative impact analysis, and siting restrictions indicates a precautionary and community-protection approach.
The main points of contention likely concern the bill’s operational restrictions and cost increases. Facility operators, landfill owners, and waste generators may object to higher fees, tighter siting rules, the moratorium on new or expanded commercial hazardous waste facilities, and the prohibition on certain disposal wells and TENORM disposal practices. Local governments and communities near existing facilities may support the bill because it creates reimbursement and host-community grant funds and limits concentration of facilities in already burdened areas. The bill also appears to balance these concerns by preserving some captive-facility and compliance-related exceptions, but the overall effect is a significant tightening of hazardous waste and radioactive waste regulation.
HB4393 would amend the Natural Resources and Environmental Protection Act to expand state oversight of hazardous waste, radioactive waste, landfill disposal, and underground injection wells. It would revise statutory definitions, create new planning and siting requirements, impose a temporary moratorium on new or expanded multisource commercial hazardous waste facilities, prohibit new or converted multisource commercial hazardous waste disposal wells and class IV wells, and add financial responsibility requirements for class I, class III, and test wells. It would also increase disposal fees and surcharges, adjust them for inflation on a recurring schedule, and redirect revenues into cleanup, reimbursement, host community, and materials management funds.
The bill’s apparent sentiment is generally favorable toward environmental protection, waste reduction, and stronger regulation of hazardous and radioactive waste disposal. Even without recorded votes or transcripts, the bill text reflects a policy direction aimed at limiting new disposal capacity, improving planning, and protecting communities near waste facilities. The measure also includes funding mechanisms for cleanup and local reimbursement, suggesting an effort to pair stricter regulation with financial support for affected communities.
Likely contention centers on the bill’s restrictions on facility expansion, the moratorium on new commercial hazardous waste facilities, and the prohibition on new or converted disposal wells and certain TENORM disposal practices. Industry stakeholders such as landfill operators, hazardous waste facility owners, and generators may view the bill as increasing compliance costs and limiting disposal options, especially because it raises fees and adds insurance and bonding requirements. Supporters are likely to include environmental advocates, public health interests, and communities near existing facilities, who may favor the bill’s siting limits, environmental justice criteria, and local grant/reimbursement provisions.