Ohio SWPPP inspection requirements
- Rain trigger
- 0.5″ storm event
- Post-rain deadline
- By the end of the next calendar day, excluding weekends and holidays unless work is scheduled
- Routine inspections
- Every 7 days
- Permit
- OHC000006 Construction General Permit
- Agency
- Ohio Environmental Protection Agency (Ohio EPA)
How Ohio handles construction stormwater
Construction sites in Ohio disturbing one acre or more need coverage under the OHC000006 Construction General Permit, administered by Ohio Environmental Protection Agency. OHC000006 (effective April 23, 2023 – April 22, 2028) requires inspections every 7 days and after storms over 0.5″ in 24 hours — due by the end of the next calendar day, with weekends/holidays excluded unless work is scheduled.
Inspector qualifications
Qualified inspection personnel — a person knowledgeable in erosion and sediment control; no certification required. Electronic inspection reports allowed.
Official sources
Common questions
What triggers a SWPPP inspection in Ohio?
Under the OHC000006 Construction General Permit, a storm event of 0.5 inches or more triggers a post-storm inspection, by the end of the next calendar day, excluding weekends and holidays unless work is scheduled. Routine inspections: every 7 days.
Who can perform SWPPP inspections in Ohio?
Qualified inspection personnel — a person knowledgeable in erosion and sediment control; no certification required. Electronic inspection reports allowed.
Who administers the construction stormwater program in Ohio?
Ohio Environmental Protection Agency (Ohio EPA) administers the NPDES construction stormwater program in Ohio under the OHC000006 Construction General Permit.
What are the penalties for SWPPP violations in Ohio?
Federal Clean Water Act civil penalties can reach $68,445 per day per violation, and Ohio EPA can issue administrative orders and state penalties on top. Missing rain-triggered inspections is among the most commonly cited violations in stormwater audits.
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