Onsite Wastewater Treatment Systems (OWT)

  • Registered OWT Systems

    Private Holding Tanks, Lagoons, Mound Systems, Septic Systems and Alternative Systems registered since 2004

  • Certified OWT Professionals

    Individuals certified to Inspect, Install, or Pump Onsite Wastewater Treatment Systems, or Evaluate Soil for siting OWT Systems

  • OWT Businesses

    Businesses employing at least one Certified OWT Professional