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Septic System Information

  • Warren County Environmental Health is the primary contact for septic system permitting and inspections.
  • Permits are required for new system installations and repairs.
  • The county requires certified septic contractors who hold the Certified Installer of Onsite Wastewater Treatment System (CIOWTS) credential or who are approved by the Warren County Board of Health.
  • Septic Systems must have a septic tank as the primary treatment unit, followed by a secondary treatment system that complies with Iowa Administrative Code IAC567-Chapter 69 and Warren County Ordinance Chapter 31 .

For More Information Contact Warren County Environmental Health:

Septic Permitting Instructions
Septic Permit Application
Certified Septic Contractors
Maintenance Providers
Certified Pumper Inspectors
Time of Transfer Inspectors
Soil Analysis Professionals

Helpful Septic System links: