State & Local Association Directory
Explore NAWT’s nationwide directory of state and local onsite wastewater associations and find contact information for organizations across the United States and Canada.
State & local organizations
A Associations
State & Local DirectoryAlabama Onsite Wastewater Association
PO Box 241933
Montgomery, AL 36124-1933
Arizona Onsite Wastewater Recycling Association
PO Box 10866
Prescott, AZ 86304
Arkansas Water & Wastewater Manager Association – AWWMA
C Associations
State & Local DirectoryCalifornia Onsite Wastewater Assn
PO Box 1536
Twain Harte, CA 95383-1536
Carolina Onsite Water Recycling Association
PO Box 491
Cary, NC 27512
Colorado Professionals in Onsite Wastewater
PO Box 918
Strasburg, CO 80136
Connecticut Onsite Wastewater Recycling Association
P.O. Box 116
East Hampton, CT 06424
860-267-1057
D Associations
State & Local DirectoryDelaware On-Site Wastewater Recycling Association
P.O. Box 1696
Dover, DE 19903
F Associations
State & Local DirectoryFlorida Onsite Wastewater Association, Inc.
P.O. Box 950368
Lake Mary, FL 33850
G Associations
State & Local DirectoryGeorgia Onsite Wastewater Association
P.O. Box 2946
LaGrange GA 30241
I Associations
State & Local DirectoryIndiana Onsite Wastewater Professionals Association
7915 S. Emerson Ave., Suite 132
Indianapolis, IN 46237
IOWA Onsite Waste Water Association
K Associations
State & Local DirectoryKansas Rural Water Association KRWA
Kentucky Onsite Wastewater Association
PO Box 1424
Bowling Green, KY 42104
Kentucky Water & Wastewater Operators – KWWOA
L Associations
State & Local DirectoryLong Island Liquid Waste Association
P.O. Box 2667
Lake Ronkonkoma, NY 11779
Lousiana Rural Water Association – LRWA
M Associations
State & Local DirectoryMaine Association of Wastewater Transporters
142 Whitten Road
Augusta, ME 04330
Massuchusetts Association of Sewerage Pumping Contractors
26 Livingston St
Lowell, MA 08152
Metropolitan Council Environmental Services
390 Robert Street N
St Paul, MN 55101
Michigan Septic Tank Association
P.O. Box 739
Roscommon, MI 48653-0739
Minnesota Onsite Wastewater Association
11468 Marketplace Dr N – Ste 600-PMB392
Champlin, MN 55316
Mississippi Rural Water Association – MsWRA
Missouri Smallflows Organization – MSO
Montana Onsite Wastewater Association
P.O. Box 854
Superior, MT 59872
N Associations
State & Local DirectoryNational 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
Nebraska Onsite Wastewater Association
1233 Lincon Mall, Suite 201
Linconl, Nebraska 68508
Nevada Water Evironment Association – NWEA
New Hampshire Association of Septage Haulers
81 Bog Road
Concord, NH 03303
Granite State Onsite Wastewater Association – GSOWA
New Jersey Water Association
Professional Onsite Water Reuse Association, New Mexico – POWRANM
117 Huddleson Street
Santa Fe, NM 87501
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
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
Onsite Wastewater Professionals
North Carolina Septic Tank Association
P.O. Box 35864
Greensboro, NC 27425-5864
North Dakota Onsite Wastewater Recycling Association – NDOWRA
O Associations
State & Local DirectoryOhio Onsite Wastewater Association
672 State Route 247
Manchester, Ohio 45144
Ohio Waste Haulers Association
P.O. Box 277
Huntsburg, Ohio 44046
Oklahoma Onsite Wastewater Association
500 S Lynn Riggs Ste 363
Claremore, OK 74017
Ontario Association of Sewage Industry Services
P.O. Box 190
Havelock, ON K0L 1Z0
Ontario Onsite Wastewater Assn.
PO Box 831
Cobourg, ON K9A 4S3
Oregon Onsite Wastewater Association – O2WA
P Associations
State & Local DirectoryPennsylvania Septage Management Association
P.O. Box 144
Bethlehem, PA 18016
Pennsylvania Onsite Wastewater Recycling Association – POWRA
R Associations
State & Local DirectoryRhode Island Clean Water Association – RICWA
Rhode Island Rural Water Association – RIRWA
S Associations
State & Local DirectorySouth Carolina Onsite Wastewater Association – SCOWA
WEASC- Education SCAWWA – Advocate
South Dakota Waster & Wastewater Association – SDWWA
South Dakota Association of Rural Water Systems – SDARWS
T Associations
State & Local DirectoryTennessee Onsite Wastewater Association
PO Box 292983
Nashville, TN 37229-2983
Texas Onsite Wastewater Association
Executive Director: Randy Chelette
P.O. Box 885
Bridge City, Texas 77611
U Associations
State & Local DirectoryUtah On-Site Wastewater Association – UWOA
V Associations
State & Local DirectoryVermont Rural Water Association – VTRWA
Virginia Onsite Wastewater Recycling Association
P.O. Box 155
Star Tannery, VA 22654
W Associations
State & Local DirectoryWashington On-Site Sewage Association (WOSSA)
P.O. Box 25348
Federal Way, Wa. 98093-2348
Wastewater Environment Contractors Association
1528 Old Tower Road
Aberdeen, MD 21001
West Virginia Rural Water Association – WVRWA
Wisconsin Liquid Waste Carriers
16 N. Carroll St. Suite 900
Madison, WI 53703
Wisconsin Onsite Wastewater Recycling Association
16 N Carroll Street, Suite 900
Madison, WI 53703
Wyoming Association of Rural Water Systems
Y Associations
State & Local DirectoryYankee Onsite Wastewater Association
c/o Mill River Consulting
2 Blackburn Center
Gloucester, MA 01930
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