State & Regional Affiliates
The following list of state and regional organizations are official affiliates of NOWRA and help us comprise almost 6,000 members, 29 states, and 25 affiliate organizations.
Full Affiliate Members Supporting Affiliate Members
For information on becoming an affiliate of NOWRA, download the NOWRA Affiliate Dues Categories and Structure document. If you are interested in becoming an affiliate of NOWRA, contact us by email.
Full Affiliate Members
For the New England states of Connecticut, Maine, Massachusetts, Rhode Island and Vermont, check out the (Massachusetts) Yankee Onsite Wastewater Association. There is a separate New Hampshire association - GSOWA.
Arizona Onsite Water Reclamation Association (AzOWRA)
Michael Stidham, President: 703-408-2916
Jan Tijmes, Vice President: 928-301-8586
Kathy Mills, Secretary: 480-235-5052
David Bartholomew, Past President: 928-853-9994
Tabitha Zapata, Assistant Treasurer: 602-692-7648
Lou Brown, Executive Director and Treasurer: 928-899-1096
Phone: 928-899-1096
Address: 5525 N. Concho Drive, Prescott Valley, AZ 86314
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Colorado Professionals in Onsite Wastewater (CPOW)
Jennifer Migliorato, President
Kat McGarvy, President Elect
Emily Godi, Secretary
Sheryl Ervin, Treasurer
James Cochran, Past President
Lea Hanson, Marketing & Events Director
Kate Carney, Director of Operations
Lisa Nicoll, Executive & Educational Director
Phone: 720-626-8989
Address: PO Box 918, Strasburg, CO 80136
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Florida Onsite Wastewater Association (FOWA)
Greg Harris, President: 904-806-1777
Gregory Mayfield, President-Elect: 813-785-0500
Darla Zambelli, Secretary: 352-317-2527
Darrell Clay, Treasurer: 352-429-8836
Stephen Shepard, Past President: 239-261-0607
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)
Chris Kumnick, President
Stephen Brown, Immediate Past President
Wade Loggins, Vice President
Matt Estes, Secretary
Melinda Knight, Treasurer
Cathe' Baker, Executive Director
Phone: 706-333-7438
Address: P.O. Box 2946, LaGrange, GA 30241
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Iowa Onsite Waste Water Association (IOWWA)
Brandon Rogers, President: 515-729-0649
Amber Meixner, Vice President: 641-472-3959
Zach Perrin, Treasurer: 319-553-3147
Matt Dobler, Secretary: 319-892-6059
Jeff Sherman, Past President: 641-220-0544
Matt Vinsand, Executive Director
Penny Andorf, Association Administrator: 515-225-1051
Phone: 515-225-1051
Address: 16027 Northpark Dr., Urbandale, IA 50323
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Kansas Small Flows Association (KSFA)
Cole Leister, President: 785-823-5295
Jim Bell, Secretary: 913-449-7505
William Donovan, Treasurer: 913-715-6930
Phone: 913-449-7505
Address: 16002 W. 110th St., Lenexa, KS 66219
Email: kansassmallflows@ksfa.org
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Maryland Onsite Wastewater Professional Association (MOWPA)
Ryan Nagi, President: 240-925-0085
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)
Jim Healy, President
Lauren Usilton, Vice President: (508) 823-9566
VACANT, Secretary/Treasurer
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)
Marisa Faraldo, President
Jason Buck, Vice President
Wally Humphrey-Phillips, Secretary
Mike Stephens, Treasurer
David Cotton, Past-President
Address: PO Box 708, Haslett, MI 48840
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Minnesota Onsite Wastewater Association (MOWA)
Jake Bell, President: 612-919-2539
Rick Viita, President Elect: 218-666-2916
Mary VonEschen, Secretary: 952-496-8344
Ryan Lashinski, Treasurer: 612-919-3704
Kurt Christopherson, Past-President: 612-716-9708
Tammy Trantham, Executive Director: 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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New Hampshire - Granite State Onsite Wastewater Association (GSOWA)
(Supporting affiliate - see below)
New Mexico - Professional Onsite Water Reuse Association of New Mexico (POWRA-NM)
Ralph Baker Dotson, President
Eugene Bassett, CEO
Roberta Chavez, Secretary
Phone: 505 989-7676
Address: 1380 Rio Rancho Blvd SE #348, Rio Rancho, NM 87124
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North Dakota Onsite Wastewater Recycling Association (NDOWRA)
Bruce Ellingson, President, 701-331-2400
Daren Jesperson, Vice President, 701-833-6063
Terry Novak, Secretary/Treasurer, 701-331-1931
Jason Hovdnes, Director, 701-653-5838
Phone: 701-650-8792
Address: 4380 7th Street, NE, Bowdon, ND 58418
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Ohio Onsite Wastewater Association (OOWA)
Zak Sherman, President 614-905-6750
Oklahoma Onsite Wastewater Association (OOWA-OK) - New in 2025!
Jason Birdsong, President
Brian Gates, Vice-President
Shane Biggs, Treasurer
MaKenna Wood, Secretary
Address: 500 S Lynn Riggs Ste 363, Claremore, OK 74017
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Oregon Onsite Wastewater Association (O2WA)
Edward Varga, President: 971-282-7325
Scott Davis, Secretary/Treasurer: 503-522-8239
Dennis Boeger, Past-President: 541-302-4996
Belinda Rasmussen, Executive Director: 541-389-6692
Address: 70 SW Century Dr., PMB 353, Bend, OR 97702
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Pennsylvania Onsite Wastewater Recycling Association (POWRA-PA)
Royce Jefferson, President
VACANT, Vice President
Lisa Jefferson, Treasurer
Timothy Wargo, Secretary: 717-770-0100
Paul Golrick, Past President: 215-362-4610
Address: 4075 Linglestown Road, #228, Harrisburg, PA 17112
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South Carolina Onsite Wastewater Association (SCOWA) - New in 2025!
Chris Fincham, President
Richard Threatt, Vice-President
Alan Johnson, Secretary
Randi Hall, Treasurer
Hannah Lorance, Executive Director
Address: P.O. Box 2836, Summerville, SC 29484
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Tennessee Onsite Wastewater Association (TnOWA)
Mike Searcy, President
Shawn Goff, President Elect
Eric Jervis, Past-President
Christine Stutzner, Secretary
George Garden, Treasurer
Address: P.O. Box 292983, Nashville, TN 37229-2983
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Texas Onsite Wastewater Association (TxOWA)
Steven Murdock, President
VACANT, Vice-President
Wiley Cloud, Past-President
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)
Danna Revis, President
Cody Vigil, President Elect
William P. Johnson, Treasurer
Vacant, Secretary
Scott Currie, 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)
Eric Stanaway, President: 509-667-8111
Josh Gunia, Vice President: 253-435-9999
Mike Moren, Secretary: 360-318-4704
Bill Creveling, Treasurer: 253-848-6608
Mark Ahrens, Past President: 253-435-9999
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)
Ben Kinas, President: 920-960-9526
Kevin Strange, Vice President: 414-550-0928
Damon Huibregtse, Secretary/Treasurer: 920-980-3606
Todd Stair, Past President: 262-968-2550
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
New Hampshire - Granite State Onsite Wastewater Association (GSOWA) - New in 2025!
Chris Albert, Chairman
Vacant, Vice President
Bruce Fillmore, Secretary/Treasurer
Aaron Wechsler, Past-Chairman
Kimberly DeMartin, Executive Director
Address: 17 Depot Street, Suite 3, Concord, NH 03301
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