State and Local Association Directory

N

National Environmental Health Association (NEHA)

720 S. Colorado Blvd Suite 970-s
Denver, CO 80246

National Onsite Wastewater Recycling Association (NOWRA)

3540 Soquel Ave., Suite A
Santa Cruz, CA 95062
Contact Phone: 800-966-2942
Fax: 831-464-4881

Nebraska Onsite Wastewater Association

1233 Lincon Mall, Suite 201
Linconl, Nebraska 68508
Conference Date: February 9-13, 2025
Contact Email: jason@h2oboy.net
Contact Phone: 402-476-0162
Fax: 402-476-2469

Nevada Water Evironment Association – NWEA

Conference Date: February 24-26, 2025
Web: www.nwea.org

New Hampshire Association of Septage Haulers

81 Bog Road
Concord, NH 03303
Contact Phone: 603-831-8670

Granite State Onsite Wastewater Association – GSOWA

Contact Phone: 603-228-1231
Web: www.gsowa.org

New Jersey Water Association

Conference Date: 3/27/2025
Contact Email: info@njwater.org
Contact Phone: 609-242-7112

Professional Onsite Water Reuse Association, New Mexico – POWRANM

117 Huddleson Street
Santa Fe, NM 87501
Contact Email: robertachavez04@gmail.com
Contact Phone: 505-379-2293
Fax: 575-258-4403
Web: www.powranm.com

New York Aerobic Wastewater Treatment

PO Box 216
Fairport, NY 14450

New York – Mid Hudson Septic Haulers

296-271 Cream St
Poughkeepsie, NY 12601

Long Island Liquid Waste Association, LILWA

Contact Email: info@lilwa.org
Contact Phone: 631-585-0448
Web: www.lilwa.org

New York Upstate Assn. of Waste Transporters

R 1 Box 340
Mohawk, NY 13407

North Carolina Pumping Group

PO Box 430
Oriental, NC 28571-0430
Contact Email: admin3@ncpumpergroup.org
Contact Phone: 252-249-1097

Onsite Wastewater Professionals

Contact Email: info@owpnc.com
Contact Phone: 919-238-9075

North Carolina Septic Tank Association

P.O. Box 35864
Greensboro, NC 27425-5864

North Dakota Onsite Wastewater Recycling Association – NDOWRA

Contact Phone: 701-331-2400
Web: www.ndowra.org

O

Ohio Onsite Wastewater Association

672 State Route 247
Manchester, Ohio 45144
Conference Date: January 7-8, 2025
Contact Email: ohioowa@gmail.com
Contact Phone: 740-828-3000

Ohio Waste Haulers Association

P.O. Box 277
Huntsburg, Ohio 44046
Contact Phone: 440-636-5111

Oklahoma Onsite Wastewater Association

500 S Lynn Riggs Ste 363
Claremore, OK 74017
Conference Date: September 23-26, 2025
Contact Email: info@oowaok.org
Contact Phone: 918-727-7113
Web: www.oowaok.org

Ontario Association of Sewage Industry Services

P.O. Box 190
Havelock, ON K0L 1Z0
Contact Phone: 705-778-1265

Ontario Onsite Wastewater Assn.

PO Box 831
Cobourg, ON K9A 4S3
Contact Phone: 905-372-2722

Oregon Onsite Wastewater Association – O2WA

Conference Date: Ananua March 20-22, 2025; Fall Conference November 1, 2025
Contact Email: info@o2wa.com
Contact Phone: 541-389-6692
Web: www.o2wa.org

P

Pennsylvania Septage Management Association

P.O. Box 144
Bethlehem, PA  18016
Conference Date: February 2-4, 2025
Contact Email: director@psma.net
Contact Phone: 717-763-7762
Web: www.psma.net

Pennsylvania Onsite Wastewater Recycling Association – POWRA

Contact Email: pgolgrick@pennstrail.com
Contact Phone: 215-362-4610
Web: www.powra.org

R

Rhode Island Clean Water Association – RICWA

Contact Email: ricwa@ricwa.org
Web: www.ricwa.org

Rhode Island Rural Water Association – RIRWA

Conference Date: May 29-30, 2025
Contact Email: rirwa@rirwa.org
Contact Phone: 401-868-1431
Web: www.rirwa.org

S

South Carolina Onsite Wastewater Association – SCOWA

Conference Date: February 2-3, 2026
Contact Email: admin@scowa.org
Contact Phone: 803-877-7388
Web: www.scowa.org

WEASC- Education SCAWWA – Advocate

Conference Date: 6/11/2025
Contact Email: david@scwaters.org
Contact Phone: 803-358-0658 Ext 0650
Web: www.scwaters.org

South Dakota Waster & Wastewater Association – SDWWA

Conference Date: September 10-12, 2025
Web: www.sdwwa.org

South Dakota Association of Rural Water Systems – SDARWS

Conference Date: April 23-24, 2025
Contact Email: pdorwart@sdarws.com
Contact Phone: 605-556-7219
Web: www.sdarws.com

T

Tennessee Onsite Wastewater Association

PO Box 292983
Nashville, TN 37229-2983
Conference Date: February 5-6, 2025
Web: www.tnonsite.org

Texas Onsite Wastewater Association

Executive Director: Randy Chelette
P.O. Box 885
Bridge City, Texas 77611
Conference Date: March 17-19, 2025
Contact Email: randy@txowa.org
Contact Phone: 409-718-0645
Web: www.txowa.org

U

Utah On-Site Wastewater Association – UWOA

Conference Date: February 6-7, 2025
Contact Email: info@utahonsite.org
Web: www.utahonsite.org

V

Vermont Rural Water Association – VTRWA

Conference Date: May 14-15, 2025
Contact Email: info@vtrurlwater.org
Contact Phone: 802-660-4988
Web: www.vtruralwater.org

Virginia Onsite Wastewater Recycling Association

P.O. Box 155
Star Tannery, VA 22654
Conference Date: October 12-14, 2025
Contact Email: vowara.org@gmail.com
Contact Phone: 540-885-8500
Web: www.vowra.org

W

Washington On-Site Sewage Association (WOSSA)

P.O. Box 25348
Federal Way, Wa. 98093-2348
Contact Email: leigh@wossa.org
Contact Phone: 253-770-6594
Web: www.wossa.org

Wastewater Environment Contractors Association

1528 Old Tower Road
Aberdeen, MD 21001
Contact Phone: (443) 980-2821

West Virginia Rural Water Association – WVRWA

Contact Email: toddgrinstead@wvrwa.org
Contact Phone: 304-201-1689
Web: www.wvrwa.org

Wisconsin Liquid Waste Carriers

16 N. Carroll St. Suite 900
Madison, WI 53703
Contact Phone: 608-255-2770

Wisconsin Onsite Wastewater Recycling Association

16 N Carroll Street, Suite 900
Madison, WI 53703
Contact Email: info@wowra.org
Contact Phone: 888-287-4116
Web: www.wowra.com

Wyoming Association of Rural Water Systems

Conference Date: April 15-18, 2025
Contact Email: markp@warws.com
Contact Phone: 307-259-6903
Web: www.warws.com

Y

Yankee Onsite Wastewater Association

c/o Mill River Consulting
2 Blackburn Center
Gloucester, MA 01930
Contact Phone: 888-969-2674