🌧️ Curbside Rain Garden: Curve Number Runoff, Green-Ampt Infiltration and Bioretention Storage

Cut open a street-side bioretention cell and run a design storm through it: SCS curve-number runoff from the paved catchment, Green-Ampt infiltration into the engineered soil, gravel storage, native-soil exfiltration, an underdrain and the overflow weir.