One Afternoon of Artificial Rain: What a Simulated Storm Reveals That Your SWPPP Never Will
A controlled rainfall simulation can expose undocumented outfalls, failing BMPs, and hidden discharge pathways in a single afternoon — long before a regulator, a neighbor, or a hundred-year storm does. Here is how the process works, how to read the results, and how to turn findings into a defensible record of good-faith compliance.