Education & Training
Annual State Education Conferences
Directory
State & Local Association Directory
Use the alphabet to jump directly to the directory listings available on this page.
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T
U
V
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Association Listings
Directory A–M
A–M
Organizations Beginning With A
Alabama Onsite Wastewater Association
Address
PO Box 241933
Montgomery, AL 36124-1933
Montgomery, AL 36124-1933
Conference Date
3/27-28/2025
Contact Email
Contact Phone
Arizona Onsite Wastewater Recycling Association
Address
PO Box 10866
Prescott, AZ 86304
Prescott, AZ 86304
Conference Date
4/1-2/2025
Contact Email
Contact Phone
Arkansas Water & Wastewater Manager Association – AWWMA
Conference Date
3/18/2025 Spring Workshop, 7/16/2025 Annual Conference
Contact Phone
Organizations Beginning With C
California Onsite Wastewater Assn
Address
PO Box 1536
Twain Harte, CA 95383-1536
Twain Harte, CA 95383-1536
Contact Phone
Carolina Onsite Water Recycling Association
Address
PO Box 491
Cary, NC 27512
Cary, NC 27512
Colorado Professionals in Onsite Wastewater
Address
PO Box 918
Strasburg, CO 80136
Strasburg, CO 80136
Conference Date
January/February
Contact Email
Contact Phone
Web
Connecticut Onsite Wastewater Recycling Association
Address
P.O. Box 116
East Hampton, CT 06424
860-267-1057
East Hampton, CT 06424
860-267-1057
Contact Email
Contact Phone
Organizations Beginning With D
Organizations Beginning With F
Florida Onsite Wastewater Association, Inc.
Address
P.O. Box 950368
Lake Mary, FL 33850
Lake Mary, FL 33850
Conference Date
August 7-9, 2025
Contact Email
Contact Phone
Organizations Beginning With G
Georgia Onsite Wastewater Association
Address
P.O. Box 2946
LaGrange GA 30241
LaGrange GA 30241
Contact Email
Contact Phone
Organizations Beginning With I
Indiana Onsite Wastewater Professionals Association
Address
7915 S. Emerson Ave., Suite 132
Indianapolis, IN 46237
Indianapolis, IN 46237
Conference Date
February 24-26, 2025
Contact Email
Contact Phone
IOWA Onsite Waste Water Association
Conference Date
January 7-8, 2026
Contact Email
Contact Phone
Organizations Beginning With K
Kansas Rural Water Association KRWA
Conference Date
March 25-27, 2025
Contact Email
Contact Phone
Web
Kentucky Onsite Wastewater Association
Kentucky Water & Wastewater Operators – KWWOA
Conference Date
May 6-8, 2025
Contact Email
Contact Phone
Organizations Beginning With L
Long Island Liquid Waste Association
Address
P.O. Box 2667
Lake Ronkonkoma, NY 11779
Lake Ronkonkoma, NY 11779
Contact Phone
Lousiana Rural Water Association – LRWA
Organizations Beginning With M
Maine Association of Wastewater Transporters
Address
142 Whitten Road
Augusta, ME 04330
Augusta, ME 04330
Contact Phone
Massuchusetts Association of Sewerage Pumping Contractors
Address
26 Livingston St
Lowell, MA 08152
Lowell, MA 08152
Contact Phone
Metropolitan Council Environmental Services
Address
390 Robert Street N
St Paul, MN 55101
St Paul, MN 55101
Contact Phone
Michigan Septic Tank Association
Address
P.O. Box 739
Roscommon, MI 48653-0739
Roscommon, MI 48653-0739
Contact Email
Contact Phone
Fax
989-275-8874
Web
Minnesota Onsite Wastewater Association
Address
11468 Marketplace Dr N – Ste 600-PMB392
Champlin, MN 55316
Champlin, MN 55316
Conference Date
February 2-3, 2026
Contact Email
Contact Phone
Mississippi Rural Water Association – MsWRA
Conference Date
May 27-30, 2025
Contact Email
Contact Phone
Missouri Smallflows Organization – MSO
Conference Date
January 19-1, 2026
Contact Email
Contact Phone
Montana Onsite Wastewater Association
Address
P.O. Box 854
Superior, MT 59872
Superior, MT 59872
Conference Date
April 22-24, 2025
Contact Email
Contact Phone
Association Listings
Directory N–Y
N–Y
Organizations Beginning With N
National Environmental Health Association (NEHA)
Address
720 S. Colorado Blvd Suite 970-s
Denver, CO 80246
Denver, CO 80246
National Onsite Wastewater Recycling Association (NOWRA)
Nebraska Onsite Wastewater Association
Address
1233 Lincon Mall, Suite 201
Linconl, Nebraska 68508
Linconl, Nebraska 68508
Conference Date
February 9-13, 2025
Contact Email
Contact Phone
Fax
402-476-2469
Nevada Water Evironment Association – NWEA
Conference Date
February 24-26, 2025
Web
New Hampshire Association of Septage Haulers
Address
81 Bog Road
Concord, NH 03303
Concord, NH 03303
Contact Phone
Granite State Onsite Wastewater Association – GSOWA
Contact Phone
New Jersey Water Association
Professional Onsite Water Reuse Association, New Mexico – POWRANM
Address
117 Huddleson Street
Santa Fe, NM 87501
Santa Fe, NM 87501
Contact Email
Contact Phone
Fax
575-258-4403
New York Aerobic Wastewater Treatment
Address
PO Box 216
Fairport, NY 14450
Fairport, NY 14450
New York – Mid Hudson Septic Haulers
Address
296-271 Cream St
Poughkeepsie, NY 12601
Poughkeepsie, NY 12601
Long Island Liquid Waste Association, LILWA
New York Upstate Assn. of Waste Transporters
Address
R 1 Box 340
Mohawk, NY 13407
Mohawk, NY 13407
North Carolina Pumping Group
Address
PO Box 430
Oriental, NC 28571-0430
Oriental, NC 28571-0430
Contact Email
Contact Phone
Onsite Wastewater Professionals
Contact Email
Contact Phone
North Carolina Septic Tank Association
Address
P.O. Box 35864
Greensboro, NC 27425-5864
Greensboro, NC 27425-5864
North Dakota Onsite Wastewater Recycling Association – NDOWRA
Contact Phone
Organizations Beginning With O
Ohio Onsite Wastewater Association
Address
672 State Route 247
Manchester, Ohio 45144
Manchester, Ohio 45144
Conference Date
January 7-8, 2025
Contact Email
Contact Phone
Ohio Waste Haulers Association
Address
P.O. Box 277
Huntsburg, Ohio 44046
Huntsburg, Ohio 44046
Contact Phone
Oklahoma Onsite Wastewater Association
Address
500 S Lynn Riggs Ste 363
Claremore, OK 74017
Claremore, OK 74017
Conference Date
September 23-26, 2025
Contact Email
Contact Phone
Ontario Association of Sewage Industry Services
Address
P.O. Box 190
Havelock, ON K0L 1Z0
Havelock, ON K0L 1Z0
Contact Phone
Ontario Onsite Wastewater Assn.
Address
PO Box 831
Cobourg, ON K9A 4S3
Cobourg, ON K9A 4S3
Contact Phone
Oregon Onsite Wastewater Association – O2WA
Conference Date
Ananua March 20-22, 2025; Fall Conference November 1, 2025
Contact Email
Contact Phone
Web
Organizations Beginning With P
Pennsylvania Septage Management Association
Address
P.O. Box 144
Bethlehem, PA 18016
Bethlehem, PA 18016
Conference Date
February 2-4, 2025
Contact Email
Contact Phone
Web
Pennsylvania Onsite Wastewater Recycling Association – POWRA
Organizations Beginning With R
Rhode Island Clean Water Association – RICWA
Contact Email
Rhode Island Rural Water Association – RIRWA
Conference Date
May 29-30, 2025
Contact Email
Contact Phone
Organizations Beginning With S
South Carolina Onsite Wastewater Association – SCOWA
Conference Date
February 2-3, 2026
Contact Email
Contact Phone
WEASC- Education SCAWWA – Advocate
South Dakota Waster & Wastewater Association – SDWWA
Conference Date
September 10-12, 2025
South Dakota Association of Rural Water Systems – SDARWS
Conference Date
April 23-24, 2025
Contact Email
Contact Phone
Organizations Beginning With T
Tennessee Onsite Wastewater Association
Texas Onsite Wastewater Association
Executive Director
Randy Chelette
Address
P.O. Box 885
Bridge City, Texas 77611
Bridge City, Texas 77611
Conference Date
March 17-19, 2025
Contact Email
Contact Phone
Organizations Beginning With U
Utah On-Site Wastewater Association – UWOA
Organizations Beginning With V
Vermont Rural Water Association – VTRWA
Conference Date
May 14-15, 2025
Contact Email
Contact Phone
Virginia Onsite Wastewater Recycling Association
Address
P.O. Box 155
Star Tannery, VA 22654
Star Tannery, VA 22654
Conference Date
October 12-14, 2025
Contact Email
Contact Phone
Organizations Beginning With W
Washington On-Site Sewage Association (WOSSA)
Address
P.O. Box 25348
Federal Way, Wa. 98093-2348
Federal Way, Wa. 98093-2348
Contact Email
Contact Phone
Wastewater Environment Contractors Association
Address
1528 Old Tower Road
Aberdeen, MD 21001
Aberdeen, MD 21001
Contact Phone
West Virginia Rural Water Association – WVRWA
Wisconsin Liquid Waste Carriers
Address
16 N. Carroll St. Suite 900
Madison, WI 53703
Madison, WI 53703
Contact Phone
Wisconsin Onsite Wastewater Recycling Association
Address
16 N Carroll Street, Suite 900
Madison, WI 53703
Madison, WI 53703
Contact Email
Contact Phone
Wyoming Association of Rural Water Systems
Conference Date
April 15-18, 2025
Contact Email
Contact Phone
Organizations Beginning With Y
Yankee Onsite Wastewater Association
Address
c/o Mill River Consulting
2 Blackburn Center
Gloucester, MA 01930
2 Blackburn Center
Gloucester, MA 01930
Contact Phone