Drone inspection support for SWPPP consultants managing construction sites in South Carolina

If you're managing NPDES compliance for multiple active construction sites in Upstate SC, the weekly inspection schedule is manageable in the off-season. During peak construction, April through October, when you might have eight to twelve active permitted sites running simultaneously, the 7-day clock and rain event triggers are where capacity breaks down.

A drone flight covers a 40-acre construction site in 45 minutes, produces GPS-tagged photos organized by BMP type and location, and delivers a SWPPP-log-ready inspection record within 48 hours. You review and sign the inspection record. We provide the aerial documentation.

How the subcontractor model works

You remain the qualified inspector of record. We're the aerial documentation provider. The workflow:

You send us the site list and schedule at the start of the project or season. We fly each site on the inspection cadence you set: weekly, bi-weekly, or a hybrid where some sites get drone coverage and you handle ground-level follow-up on flagged areas. Deliverables land in a shared folder organized the way your SWPPP log requires: by BMP type, GPS-tagged, timestamped, with a written summary of noted conditions.

For rain event inspections, call or text before 7 AM and we cover the site that morning. For Greenville, Spartanburg, Anderson, Pickens, and Oconee counties, same-day availability is standard.

Deliverable format

The photo set is organized by BMP category: silt fence, sediment basins and traps, inlet protection, construction entrance, slope protection, and active erosion areas. Every photo carries GPS coordinates and a timestamp. The folder structure mirrors the SWPPP inspection log format so you're not reformatting before filing.

A written condition summary covers each BMP location: current status, any deficiencies noted, and whether corrective action is required. The summary is formatted to transfer directly into the inspection record without rewriting.

If you use a specific inspection report template for your SCDHEC-permitted sites, send it to us before the first flight and we'll match the output format.

What drone coverage changes about multi-site management

A ground inspection on a 40-acre site with multiple sediment basins, active grading on several fronts, and 600 feet of silt fence takes two to three hours. A drone covers the same site in 45 minutes with more complete coverage, the aerial view catches silt fence failures and basin levels that aren't visible from the access road.

For a consultant managing ten active sites with weekly inspection requirements, that time difference is the difference between covering everything in the schedule and running behind on the rain event requirement.

The 24-hour rain event inspection is where most NPDES violations happen: a 0.5-inch event at midnight means every active site needs coverage before the crew arrives. A drone can cover three to four sites between first light and 8 AM. Ground inspection at the same pace covers one.

SC-specific compliance notes

South Carolina's NPDES Construction General Permit requires inspections every seven calendar days and within 24 hours of a 0.5-inch rain event, from initial land disturbance through final stabilization at 70% permanent vegetative cover. The inspection record must document date, weather conditions, BMP condition at every location, and corrective action taken or needed.

Under SC H4679, commercial drone operations in South Carolina require FAA Part 107 certification. We're certified and insured. See what SC H4679 means for drone operators on your sites.

The BMP inspection frequency requirements and what the permit actually mandates are covered in detail in BMP inspection frequency requirements for construction sites in South Carolina.

Service area

Greenville, Spartanburg, Anderson, Pickens, and Oconee counties. Based in Clemson, within 45 minutes of most active construction in Upstate SC. Greer, Easley, Seneca, Anderson, and surrounding areas are same-week or same-day.

FAA Part 107 certified. Insured.