Alabama Onsite Wastewater Board
Alberta Environment and Parks (Water and WW Operator Certification)
California Water Environment Association
Colorado Department of Public Health & Environment (OCPO)
Delaware Department of Natural Resources and Environmental Control (DNREC)
EOCP (British Columbia)
Florida Department of Environmental Protection
Georgia Department of Health
Idaho Division of Occupational and Professional Licenses
Illinois Department of Health Private Sewage Contractor License Holders
Illinois Environmental Protection Agency Wastewater and Drinking Water
Indiana Department of Environmental Management - Drinking Water Operator
Indiana Department of Environmental Management - Wastewater Operator
Indiana Onsite Wastewater Professionals Association (IOWPA)
Iowa Department of Natural Resources
Iowa Onsite Wastewater Association (IOWWA)
Kentucky Department for Environmental Protection Division of Compliance
Kentucky DPH for Septic System Installers
Kentucky DPH for Registered Sanitarian/Registered Environmental Health Specialists
Maine Department of Environmental Protection
Massachusetts Title 5 Onsite Advisory Committee
Michigan Department of Environmental Quality Wastewater Division
Michigan Septage Waste Program and Continuing Septage Education
Minnesota Pollution Control Agency (MCPA) Subsurface Sewage Treatment Systems Certification
Mississippi State Department of Health
Missouri Department of Health Onsite Wastewater Treatment
Missouri Department of Natural Resources
National Environmental Health Association (NEHA)
Nebraska Department of Environmental Quality – Title 124
Nebraska Department of Environmental Quality – Title 197
New Hampshire DES (NHDES) – Subsurface Systems Bureau
Ohio Department of Health For Sewage Treatment System Contractors
Ohio Environmental Protection Agency
Oklahoma Department of Environmental Quality
Ontario Water Wastewater Certificate Office (OWWCO)
Oregon Environmental Services Advisory Council (OESAC)
Pennsylvania Department of Environmental Protection Bureau of Safe Drinking Water
Rhode Island Department of Environmental Management (RIDEM)
South Dakota Department of Environment and Natural Resources
Tennessee Department of Environmental and Conservation Water and Wastewater Certification Board
Texas Commission on Environmental Quality
Virginia Department of Professional and Occupational Regulation (VA DPOR)
Washington State Department of Ecology
West Virigina Office of Environmental Health Services
Wisconsin Department of Natural Resources
Wisconsin Department of Safety and Professional Services (DSPS)
Wyoming Department of Environmental Quality
