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Onsite Associations

State Onsite Associations

The primary focus of state onsite associations is to represent the water and wastewater industry by developing guidelines, standards, and practices as well as education and promotion of onsite issues.  For additional information on what is happening in your area, please visit your state onsite association websites:

• Alberta Onsite Wastewater Management Association (AOWMA)
• British Columbia OnSite Sewage Association (BCOSSA)
• California Onsite Wastewater Association (COWA)
• Carolina Onsite Wastewater Recycling Association (COWRA)
• Colorado Professionals in Onsite Wastewater (CPOW)
• Delaware On-site Wastewater Recycling Association (DOWRA)
• Florida Onsite Wastewater Association (FOWA)
• Georgia Onsite Wastewater Association (GOWA)
• Indiana Onsite Wastewater Professional's Association, Inc. (IOWPA)
• Iowa Onsite Waste Water Association (IOWWA)
• Kansas Small Flows Association (KSFA)
• Kentucky Onsite Wastewater Association (KOWA)
• Michigan Onsite Wastewater Recycling Association (MOWRA)
• Minnesota On-site Sewage Treatment Contractors Association (MOSTCA)
• Missouri Small Flows Organization
• Nebraska On-site Waste Water Association (NOWWA)
• New England Interstate Water Pollution Control Commission (NEIWPCC)
• Ohio Onsite Wastewater Association (OOWA)
• Ontario Onsite Wastewater Association
• Oregon Onsite Wastewater Association (O2WA)
• Tennessee Onsite Wastewater Association (TOWA)
• Texas Onsite Wastewater Association (TOWA)
• Utah Onsite Wastewater Association (UOWA)
• Virginia Onsite Wastewater Recycling Association (VOWRA)
• Washington On-Site Sewage Association (WOSSA)
• Wisconsin Onsite Wastewater Recycling Association (WOWRA)