Butte-Silver Bow Stormwater Ordinances, Standards & Forms

 Butte-Silver Bow Municipal Code, Chapter 32 Stormwater Management

 Form 1: Stormwater Management Permit Application (Pre-Construction)

 Form 2: Stormwater Management Application Checklist (Pre-Construction)

 Form#2a – Maintenance Agreement

 Form#2b – Construction Project BMP Plan

Stormwater Engineering Standards

Ordinance 2020-06, Regulations for Control and Management of Storm Water

 Form 4: Variance Request for Permanent Storm Water Infrastructure

MS4 Flowchart

Butte-Silver Bow Excavation Permit Requirements

For details on Excavation Permit requirements and regulations, refer to Butte-Silver Bow Municipal Code Title 8, Chapter 28.

 Form 3: Excavation & Dirt Moving Permit Application (Building Code Department)

Excavation and Dirt Moving Permit Appendices

Excavation Ordinance

Map: Excavation Control District

Butte Urban Limits Boundary

External Links

 Urban Drainage and Flood Control District
 Montana Department of Transportation Erosion and Sediment Control Best Management Practices Manual
 United States Environmental Protection Agency – National Menu of Storm water Best Management Practices

External Documents

 Updated Montana Department of Environmental Quality Best Management Practice Field Guide
 Urban Storm Drainage Criteria Manual: Volume 3 Stormwater Quality
Montana MS4 Post-Construction Best Management Practice Design Guidance Manual
United States Environmental Protection Agency – Storm water Pollution Prevention Plans for Construction Activities