Resources    

Local Stormwater Regulations
You can download local stormwater ordinances and requirements for each of the NCSWMP partners below.

American Canyon
Stormwater and Pollution Discharge Control Ordinance 

Napa
Stormwater Runoff Pollution Control Ordinance
Post-Construction BMP Design Standards

Yountville
Stormwater Discharge System Ordinance

St. Helena
Stormwater and Runoff Pollution Control Ordinance

Calistoga
Stormwater Runoff Pollution Control Ordinance

Napa County
Stormwater Management and Discharge Control Ordinance
Construction Site Runoff Control Requirements
Post-Construction Runoff Management Requirements