• Divisions
    • Director's Office
    • Enforcement
    • Centralized Services
    • Air, Energy & Mining
    • Water Quality
    • Waste Management & Remediation
  • CONTACTS
    • About Us
    • Affiliated Organizations
    • Contact Us
    • DEQ Staff Directory
    • DEQ Office Locations/Addresses
    • About Montana DEQ
      • Advisory Councils
      • Affiliated Organizations
      • Goal and Objectives
      • Organizational Structure
      • Our Mission
    • Board of Environmental Review
      • Board Authority
      • Board Policies
      • FAQs
      • Meeting Calender
      • Personnel Contacts
    • Director's Office
      • DEQ Business Processes
      • Goals and Objectives
      • Legal Unit
      • Organizational Chart
    • Environmental Links
      • EA: Environmental Assessments

      • EIS: Environmental Impact Statements

      • Major Facility Siting

      • Online Services

      • Today's Air
    • Permits
      • Air
      • Hazardous Waste
      • Mining
      • Solid Waste
      • Water Related
      • General Permits
    • Public Interest
      • DEQ Bids and Quotes
      • Legal and Public Notices
      • Press Releases
      • Public Comments
      • Public Meetings
      • Request Public Records

Public Water Supply

  • Resources

    • PWS Program Contacts
    • Laws/Rules & Summaries
    • Emergency Preparedness, Security & Safety
  • Public Drinking Water

    • Consumer Confidence Report
    • Cross Connection & Backflow
    • Montana Drinking Water Watch
    • Fluoride information
    • GIS Health Advisory Network
    • PWS Checklist & Forms
    • Public Notice Forms
    • Waiver Information
    • Water & Wastewater Operator Certification
  • Wastewater Systems

    • Activities and Requirements
    • Drought Monitoring
    • EPA Envirofacts
    • Flood Cleanup Health Tips
    • Publications & Reports
    • Sewer Main Certified Checklist
  • Other Water Quality Links

    • Water Conservation Links
    • Water Quality Circulars
    • Water Quality Division
    • Waste Management & Remediation Division
    • Water Quality Information

System Change References

Please see DEQ Circulars 1 & 3

About Us

The Montana Department of Environmental Quality is charged with protecting a clean and healthy environment as guaranteed to our citizens by our State Constitution. Our ultimate goal is to protect public health and to maintain Montana's high quality of life for current and future generations.

Latest News

State agencies issue precautions for potential...

Driscoll, Paul / Thursday, April 19, 2018 0 83

Tips to prepare and protect public health

Read more
RSS

Latest Tweets

Tweets by MTDEQ

Follow Us