Construction Stormwater
SWPPP requirements, state by state
Every state keys construction stormwater to its own general permit. Pick a state for its permit number, Notice of Intent filing, and inspection cadence — and a plan that's inspection-ready in minutes.
- ALAlabama
- AKAlaska
- AZArizona
- ARArkansas
- CACalifornia
- COColorado
- CTConnecticut
- DEDelaware
- DCDistrict of Columbia
- FLFlorida
- GAGeorgia
- HIHawaii
- IDIdaho
- ILIllinois
- INIndiana
- IAIowa
- KSKansas
- KYKentucky
- LALouisiana
- MEMaine
- MDMaryland
- MAMassachusetts
- MIMichigan
- MNMinnesota
- MSMississippi
- MOMissouri
- MTMontana
- NENebraska
- NVNevada
- NHNew Hampshire
- NJNew Jersey
- NMNew Mexico
- NYNew York
- NCNorth Carolina
- NDNorth Dakota
- OHOhio
- OKOklahoma
- OROregon
- PAPennsylvania
- RIRhode Island
- SCSouth Carolina
- SDSouth Dakota
- TNTennessee
- TXTexas
- UTUtah
- VTVermont
- VAVirginia
- WAWashington
- WVWest Virginia
- WIWisconsin
- WYWyoming
Don't see the detail you need?
Siltworks builds your plan to the right permit automatically — pick your state during setup and the requirements fill themselves in.