Water Quality Discharge Permits
- Permit Fee Schedule for Applications and Annual Fees
- Montana Pollutant Discharge Elimination System (MPDES) Permits
- Montana Ground Water Pollution Control System (MGWPCS) Permits
- Land Application LA-1
- Other Water Quality Related Authorizations/Certifications - Includes applications and other explanatory materials
- Emergency Remediation and Pesticide - 308 Authorization
- Turbidity Related to Construction Activity - 318 Authorization
- Joint Application for Proposed Work in Montana's Streams, Wetlands, Floodplains and Other Water Bodies (Application Instructions (doc) (pdf))
- Dredge and Fill - 401 Certification
- Hydroelectric Projects - 401 Certification
- Compliance with the Guidelines for Streambank Stabilization
- Water Quality Discharge Permits Publications
