Wastewater Treatment

Regulations

  1. Lake County Wastewater Treatment System Regulations (PDF)
  2. Montana Dept of Environmental Quality - Circular DEQ4 (PDF)

Forms

  1. Septic Search Request Diagrams of Existing Systems (PDF)
  2. Variance Request Application (PDF)
  3. Wastewater Treatment System Permit Application (PDF)
  4. Groundwater Monitoring Application, Report and Well Installation (PDF)

Information

  1. General Requirements Summary of Wastewater Regulations (PDF)
  2. Montanas Regulations On Site Wastewater Treatment Systems (PDF)
  3. Filter Alert (PDF)
  4. Water Softener Brochure (PDF)
  5. Environmental Consultants March 2023 (PDF)
  6. Licensed Installer List - March 23 (PDF)