Recent Ohio regulations affecting small businesses
Page 11 of 34 • Last updated April 28, 2026
505 new Ohio regulations affecting small businesses have been published in the past 30 days. These cover compliance updates from state agencies, regional authorities, and licensing boards — flagged here when they change a rule, fee, deadline, or eligibility threshold. Recent activity has clustered in Operations, alongside cross-cutting administrative changes. Each listing links to the official notice so you can read the full text and respond if it touches your business.
- OAC 3745-525-310 - CCR unit permit to install and operate application contents.April 28, 2026
Ohio Environmental Protection Agency's rule OAC 3745-525-310 establishes application content requirements for CCR unit permits to install and operate; filed April 28, 2026.
- OAC 3745-525-320 - Procedure for a permit to install and operate for a CCR unit.April 28, 2026
Ohio EPA rule OAC 3745-525-320 establishes permit procedures for coal combustion residue units; filed April 28, 2026.
- OAC 3745-525-300 - CCR unit permit to install and operate.April 28, 2026
Ohio Environmental Protection Agency proposes OAC 3745-525-300 to govern coal combustion residue unit permits for installation and operation; filed April 28, 2026.
- OAC 3745-525-340 - Minor modifications.April 28, 2026 • Impact: none
Ohio EPA proposes new regulation OAC 3745-525-340 governing minor modifications; rule filed April 28, 2026.
- OAC 3745-525-204 - Structural integrity criteria for existing CCR surface impoundments, 40 C.F.R. 257.73.April 28, 2026
Ohio Environmental Protection Agency's new rule OAC 3745-525-204 establishes structural integrity criteria for existing coal combustion residue surface impoundments under federal 40 C.F.R. 257.73; filed April 28, 2026.
- OAC 3745-525-205 - Structural integrity criteria for new CCR surface impoundments and any lateral expansion of a CCR surface impoundment, 40 C.F.R. 257.74.April 28, 2026
Ohio Environmental Protection Agency establishes structural integrity criteria for new coal combustion residue surface impoundments and lateral expansions under 40 C.F.R. 257.74; rule filed April 28, 2026.
- OAC 3745-525-730 - Alternative closure requirements, 40 C.F.R. 257.103.April 28, 2026 • Impact: none
Ohio Environmental Protection Agency proposes OAC 3745-525-730 establishing alternative closure requirements for regulated facilities under 40 CFR 257.103; rule filed April 28, 2026.
- OAC 3745-525-350 - Termination of a permit to install and operate.April 28, 2026 • Impact: none
Ohio EPA rule OAC 3745-525-350 establishes procedures for terminating permits to install and operate; filed April 28, 2026.
- OAC 3745-525-370 - Transfer of a permit to install and operate for a CCR unit.April 28, 2026
Ohio EPA proposes OAC 3745-525-370 establishing procedures for transferring permits to install and operate coal combustion residue units; filed April 28, 2026.
- OAC 3745-525-105 - Location restriction demonstration - unstable areas, 40 C.F.R. 257.64.April 28, 2026
Ohio Environmental Protection Agency rule OAC 3745-525-105 establishes location restriction demonstration requirements for coal ash disposal in unstable areas under federal 40 C.F.R. 257.64; filed April 28, 2026.
- OAC 3745-525-10 - Relationships among authorizing documents, rules, and the authority of the director.April 28, 2026 • Impact: low
Ohio Environmental Protection Agency proposes new rule OAC 3745-525-10 establishing relationships among authorizing documents, rules, and director authority; filed April 28, 2026.
- OAC 3745-525-201 - Design criteria for new CCR landfills and any lateral expansion of a CCR landfill, 40 C.F.R. 257.70.April 28, 2026
Ohio Environmental Protection Agency rule OAC 3745-525-201 establishes design criteria for new coal combustion residue landfills and lateral expansions under federal 40 C.F.R. 257.70; filed April 28, 2026.
- OAC 3745-525-03 - Definitions, 40 C.F.R. 257.53.April 28, 2026 • Impact: low
Ohio Environmental Protection Agency proposes new rule OAC 3745-525-03 defining terms under 40 CFR 257.53; filed April 28, 2026.
- OAC 3745-525-202 - Liner design criteria for existing CCR surface impoundments, 40 C.F.R. 257.71.April 28, 2026
Ohio Environmental Protection Agency proposes rule OAC 3745-525-202 establishing liner design criteria for existing coal combustion residue surface impoundments under federal 40 C.F.R. 257.71; filed April 28, 2026.
- OAC 3745-525-750 - Post-closure care requirements, 40 C.F.R. 257.104.April 28, 2026
Ohio Environmental Protection Agency proposes new rule OAC 3745-525-750 establishing post-closure care requirements for solid waste disposal facilities under 40 C.F.R. 257.104; filed April 28, 2026.