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Post-Rain Inspection Checklist for Construction Sites
A complete post-rain inspection covers every BMP category on site, not just the most visible perimeter controls.
ISA Certified Arborist (FL-9716A) · Florida Stormwater, Erosion & Sedimentation Control Inspector — FSESCI Qualified Inspector · GI-BMP Certified
Perimeter Controls
Check silt fence and super silt fence for undermining, overtopping, tears, and end-around bypass. Note sediment accumulation height against the one-third to one-half cleanout threshold.
Inlet Protection
Inspect every storm drain inlet downstream of disturbed soil for blockage, bypass, or sediment buildup that's reducing capacity. A clogged inlet protection device can cause localized flooding even while technically still 'in place.'
Construction Entrances
Check for visible sediment tracking onto adjacent roads and whether aggregate depth has been reduced by embedment into the subgrade.
Sediment Basins and Traps
Verify remaining capacity hasn't been substantially reduced by accumulated sediment, and check outlet structures for blockage.
Stabilization Status
Confirm that any area reaching final grade since the last inspection has been stabilized within the required timeframe, and that temporary stabilization on active areas hasn't washed out.
Documentation
Record findings in writing with photos, log any corrective actions taken or needed, and track each item through to resolution and re-inspection — a verbal walk-through with no paper trail doesn't satisfy SWPPP recordkeeping expectations.
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Frequently Asked Questions
What counts as a 'qualifying rain event' for inspection purposes?
This is defined by the active NPDES Construction Generic Permit conditions and your project's SWPPP — generally a rainfall amount above a set threshold that triggers a required inspection beyond the routine schedule.
Why does documentation matter as much as the physical inspection?
A verbal walk-through with no paper trail doesn't satisfy SWPPP recordkeeping expectations. Findings need to be recorded in writing with photos, with corrective actions tracked through to resolution and re-inspection.
Have a question about your project?
Tell us about your site and we'll follow up with scope and next steps.
Need erosion control, silt fence, BMP maintenance, or post-rain inspection support? Call 407-502-6476 or request a BMP proposal from Local Environmental Services.