• Guidance materials
    • 2023 Statewide Failed Sewage System Evaluation Summary Report
    • 2017-2019 Statewide Failed Sewage System Evaluation Summary Report
    • Draft Michigan Criteria for Onsite Wastewater Treatment
    • NOWRA Homeowner Training Materials
    • Onsite Wastewater Treatment System Manuals 2002 &1980 (USEPA)
    • Preparing Your Septic System for Weather Related Emergencies
    • Septic System 101 Webinar
    • Septic System 101 = Frequently Asked Questions
    • Septic Systems: Insight into Your Onsite Septic System Webinar (MSU Extension)
    • Soil Dispersal System and Septic Tank Abandonment
    • The Onsite Crystal Ball - Where We Are and Where We Could Be - Onsite Wastewater Conference 2020
    • Whitepaper on Statewide Code for On-site Wastewater Treatment