Connecticut SWPPP inspection requirements
- Rain trigger
- 0.5″ storm event
- Post-rain deadline
- Within 24 hours
- Routine inspections
- Every 7 or 14 days
- Permit
- General Permit for Stormwater from Construction Activities
- Agency
- Connecticut Department of Energy and Environmental Protection (DEEP)
Verify against your permit. These values reflect the most common reading of Connecticut's program; permits change and projects vary. The official permit text from DEEP controls.
How Connecticut handles construction stormwater
Construction sites in Connecticut disturbing one acre or more need coverage under the General Permit for Stormwater from Construction Activities, administered by Connecticut Department of Energy and Environmental Protection.
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 Connecticut?
Under the General Permit for Stormwater from Construction Activities, 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 Connecticut?
A qualified person designated by the operator. Check the current state permit for certification requirements.
Who administers the construction stormwater program in Connecticut?
Connecticut Department of Energy and Environmental Protection (DEEP) administers the NPDES construction stormwater program in Connecticut under the General Permit for Stormwater from Construction Activities.
What are the penalties for SWPPP violations in Connecticut?
Federal Clean Water Act civil penalties can reach $68,445 per day per violation, and DEEP 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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