Resources

Free calculators, guides, and reference data for California construction stormwater teams. Use them to size erosion risk, plan storm inspections, and build the case for automating RUSLE work.

Calculators and guides

RUSLE2 Calculator

Run RUSLE2 erosion numbers for a construction site in seconds, with C factor, K factor, and slope handled for you.

ROI Calculator

See how much time and money your firm loses to manual RUSLE work and inspection scheduling.

QPE Inspection Requirements

Storm inspection triggers, windows, and field coordination under the 2022 California Construction General Permit.

California Soil Directory

Look up K factor and erosion characteristics by soil series across California.

Keep reading

Blog

Guides on erosion, stormwater compliance, and the RUSLE methodology.

News

Product launches and announcements from Rapid RUSLE.