State and Regional Organizations
Full Affiliate Members Supporting Affiliate Members
Full Affiliate Members
For the New England states, check out the (Massachusetts) Yankee Onsite Wastewater Association.
Arizona Onsite Wastewater Recycling Association (AzOWRA)
Joelle Wirth, President: 928-853-9994
Mahir Hazine, Vice President: 928-978-9010
Kathy Mills, Secretary: 480-235-5052
Jake Garrett, Past President: 928-701-1669
Lou Brown, Executive Director and Treasurer: 928-899-1096
Phone: 928-899-1096
Address: 717 5th St., Prescott, AZ 86301
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Colorado Professionals in Onsite Wastewater (CPOW)
Jessica Wiersma, President
George Benecke, President Elect
Julie Gustavson, Secretary
Madison Pitts, Treasurer
Matthew Hopkins, Past President
Lisa Nicoll & Kate Carney, Executive Administrators
Phone: 720-626-8989
Address: PO Box 918, Strasburg, CO 80136
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Florida Onsite Wastewater Association (FOWA)
Adam Shepard, President: 239-261-0607
Greg Harris, Vice President: 386-983-1945
Darla Eberst, Secretary: 352-317-2527
Darrell Clay, Treasurer: 352-429-8836
Michael Jones, Past President: 904-862-6769
Roxanne Groover, Executive Director
Phone: 863-845-5262
Address: 5115 State Road 557, Lake Alfred, FL 33850-7202
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Georgia Onsite Wastewater Association (GOWA)
Jan Bentley, President
Tommy Chambliss, Immediate Past President
Barney Allen, Vice President
Terri Wigley, Secretary
Melinda Bailey, Treasurer
Debbie Johnson, Executive Director
Phone: 706-407-2552
Address: P.O. Box 2945, LaGrange, GA 30241
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Iowa Onsite Waste Water Association (IOWWA)
Brandon Peska, Vice President: 319-642-3415
Kurt Leichty, Vice President: 319-256-8009
Trevor Dickerson, Treasurer: 319-855-2837
Amber Meixner, Secretary: 641-472-3959
Jeff Sherman, Past President: 641-257-6153
Matt Vinsand, Executive Director
Phone: 515-225-1051
Address: 16027 Northpark Dr., Urbandale, IA 50323
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Kansas Small Flows Association (KSFA)
Zack Millbern, President: 913-715-6934
Sheryl Ervin, Treasurer: 816-266-3476
Jennifer Milbern, Secretary: 620-342-4864 ext 5
Phone: 913.594-1472
Address: 1443 N Prince Edward Island St, Olath, KS 66061
Email: kansassmallflows@ksfa.org
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Maryland Onsite Wastewater Professional Association (MOWPA)
Rob Powell , President: 443-900-3169
Eddie Harrison, Vice President: 301-829-9047
Amy Hart, Secretary/Treasurer: 443-789-3508
Phone: 443-570-2029
Fax: 443-267-0098
Email: info@mowpa.org
Address: PO Box 2570, Ellicot City, MD 21041-2570
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Massachusetts - Yankee Onsite Wastewater Association (YOWA) - (New England States)
Dan Ottenheimer, President: 978-282-0014
Bob Tynan, Vice President: (413) 464-1791
Lauren Usilton, Secretary/Treasurer: (508) 823-9566
Phone: 781-939-5710
Address: c/o 10 Tower Office Park, Suite 601, Woburn, MA 01801-2155
Email: yankeeonsite@gmail.com
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Michigan Onsite Wastewater Recycling Association (MOWRA)
Larry Stephens, President: 517-339-8692
Ken Cousino, Vice President: 734-934-2020
Mike Stephens, Past President: 517-339-8692
Address: PO Box 708, Haslett, MI 48840
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Minnesota Onsite Wastewater Association (MOWA)
Alex Pepin, President: 612-248-4281
Stacey Feser, President Elect: 612-382-7491
Pete Otterness, Secretary: 507-934-7076
Ryan Lashinski, Treasurer: 612-919-3704
Travis Johnson, Past-President: 320-362-0962
Tammy Trantham, Executive Assistant: 612-361-9629
Address: 1148 Marketplace Dr N, Suite 600 PMB392, Champlin, MN 55316
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Missouri Smallflows Organization (MSO)
Michael Bowers, President: 417-868-4147
Sean Bauer, Vice President: 573-280-4130
Seth Coggin, Secretary: 417-291-5722
Jessi Wood, Treasurer: 816-966-8885
Tammy Trantham, Executive Director: 417-631-4027
Address: 2733 E. Battlefield #132, Springfield, MO 65804-3981
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Nebraska Onsite Waste Water Association (NOWWA)
Dennis Walsh, President:
Ken Myers, Vice President: 308-872-2547
Lee Orton, Secretary/Treasurer: 402-476-0162
Phone: 402-476-0162
Address: 1233 Lincoln Mall, Suite 201 Lincoln, Nebraska 68508
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New Mexico - Professional Onsite Waste Water Reuse Association of New Mexico (POWRA_NM)
Ralph Baker Dotson, President
Eugene Bassett, CEO
William McKinstry, Executive Vice President
Phone: 505 989-7676
Address: P.O. BOX 8542, Santa Fe, NM 87504
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North Dakota Onsite Wastewater Recycling Association (NDOWRA)
Tom Schimelfenig, President
Bruce Ellingson, Vice President
Daren Jesperson, Treasurer
Jason Hovdnes, Secretary
Phone: 701-650-8792
Address: 4380 7th Ave, NE, Bowdon, ND 58418
Ohio Onsite Wastewater Association (OOWA)
Michael Rogich, President 740-203-2078
Zak Sherman, President Elect 614-905-6750
Oregon Onsite Wastewater Association (O2WA)
Dennis Boeger, President: 541-302-4996
Scott Davis, Secretary/Treasurer: 503-522-8239
Larry O'Connor, Past President: 503-922-2194
Belinda Rasmussen, Executive Director: 541-389-6692
Address: 70 SW Century Dr., PMB 353, Bend, OR 97702
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Onsite Wastewater Association of Idaho (OWAI)
Justin Van Cleave, President
Phone: 208-664-2133
Address: 625 Best Avenue, Coeur d'Alene, ID 83814
Email: info@owaiidaho.org
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Pennsylvania Onsite Wastewater Recycling Association (POWRA-PA)
Adam B. Browning, President: 215-362-4610
Paul Golrick, Vice President: 215-362-4610
Bruce Willman, Treasurer: 717-298-6337
Timothy Wargo, Secretary: 717-770-0100
Dave Lockard, Past President: 717-653-1008
Address: 4075 Linglestown Road, #228, Harrisburg, PA 17112
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Tennessee Onsite Wastewater Association (TOWA-TN)
George Garden, President: 615-253-9934
Lonnie Norrod, President-Elect: 615-969-4443
Tom Petty, Treasurer: 615-674-5900
Garrad Johnson, Secretary: 615-790-5751
Dr. Paula Gale, Past President: 731-881-7326
Address: P.O. Box 292983, Nashville, TN 37229-2983
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Texas Onsite Wastewater Association (TxOWA)
Wendell Baker, President
Wiley Cloud, President Elect
Randi Weber, Secretary
Wade Cloud, Treasurer
Randy Chellette, Executive Director: 409-718-0645
Address: PO Box 885, Bridge City, TX 77611
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Utah Onsite Wastewater Association (UOWA)
Jesse McCourt, President
Rocky Pace, Past President
Brian Cowan, Treasurer
Utah Water Research Laboratory
Phone: 435-797-3693
Address: 8200 Old Main Hill, Logan, UT 84322-8200
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Virginia Onsite Wastewater Recycling Association (VOWRA)
Scott Currie, President
Danna Revis, President Elect
William P. Johnson, Treasurer
Cody Vigil, Secretary
Paul Small, Past President
Angie Vigil, Administrator: 540-885-8500
Fax: 540-885-8501
Address: 900 Waterton St., Staunton, VA 24401
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Washington On-Site Sewage Association (WOSSA)
Steve Wolf, President: 253-863-6510
Josh Gunia, Vice President: 253-435-9999
Mike Moren, Secretary: 360-318-4704
Bill Creveling, Treasurer: 253-848-6608
Leigh McIntire, Past President: 253-798-6144
Chuck Ahrens, Executive Director
Phone: 253-770-6594
Fax: 253-770-0896
Address: PO Box 9279, Tacoma, WA 98490-0279
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Wisconsin Onsite Water Recycling Association (WOWRA)
Todd Stair, President: 262-968-2550
Brendon Reichard, Vice President: 262-339-9040
Ben Kinas, Secretary/Treasurer: 920-960-9526
Jeff Beiriger, Executive Director: 888-782-6815
Phone: 888-782-6815
Address: PO Box 833, Germantown, WI 53022
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Supporting Affiliate Members
There are no supporting affiliate member groups at this time.