Ohio SWPPP inspection requirements
- Rain trigger
- 0.5″ storm event
- Post-rain deadline
- Within 24 hours
- Routine inspections
- Every 7 or 14 days
- Permit
- OHC000006 Construction General Permit
- Agency
- Ohio Environmental Protection Agency (Ohio EPA)
Verify against your permit. These values reflect the most common reading of Ohio's program; permits change and projects vary. The official permit text from Ohio EPA controls.
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. Inspect every 7 days or within 24 hours of a 0.5″ or greater storm event.
Inspector qualifications
A qualified person designated by the operator. Check the current state permit for certification requirements.
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, generally due within 24 hours (non-work days typically extend to the next work day; check your permit). Routine inspections run every 7 or 14 days.
Who can perform SWPPP inspections in Ohio?
A qualified person designated by the operator. Check the current state permit for certification requirements.
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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