CIVIL ENGINEERING

A Stormwater Pollution Prevention Plan, or SWPPP, is a construction-phase document required under Minnesota's NPDES/SDS Construction Stormwater General Permit. If your project disturbs one acre or more of soil, or is part of a larger common development that adds up to an acre, you need one before construction starts. A SWPPP is different from the stormwater management plan that governs a finished site. It's specifically about controlling erosion and sediment while dirt is b

A stormwater management plan shows how a site will handle rainfall and runoff, both during construction and after a project is finished. In Minnesota, requirements come from more than one place at once: the Minnesota Pollution Control Agency sets statewide construction standards, your local watershed district often adds its own rules, and the city or county layers on permitting requirements specific to that jurisdiction. For most commercial, multifamily, or civic projects,