Associations List

Alabama

Alabama Onsite Wastewater Association

www.aowainfo.org; 334/396-3434

Arizona

Arizona Onsite Wastewater Recycling Association

www.azowra.org; 928/443-0333

Arkansas

Arkansas Onsite Wastewater Association

www.arkowa.com

California

California Onsite Wastewater Association

www.cowa.org; 530/513-6658

Colorado

Colorado Professionals in Onsite Wastewater

www.cpow.net; 720/626-8989

Connecticut

Connecticut Onsite Wastewater Recycling Association

www.cowra-online.org; 860/267-1057

Delaware

Delaware On-Site Wastewater Recycling Association

www.dowra.org

Florida

Florida Onsite Wastewater Association

www.fowaonsite.com; 321/363-1590

Georgia

Georgia Onsite Wastewater Association

www.onsitewastewater.org; 678/646-0379

Georgia F.O.G. Alliance

www.georgiafog.com

Idaho

Onsite Wastewater Association of Idaho

www.owaidaho.org; 208/664-2133

Illinois

Onsite Wastewater Professionals of Illinois

www.owpi.org

Indiana

Indiana Onsite Waste Water Professionals Association

www.iowpa.org; 317/889-2382

Iowa

Iowa Onsite Waste Water Association

www.iowwa.com; 515/225-1051

Kansas

Kansas Small Flows Association

www.ksfa.org; 913/594-1472

Kentucky

Kentucky Onsite Wastewater Association

www.kentuckyonsite.org; 855/818-5692

Maine

Maine Association Of Site Evaluators

www.mainese.com 

Maine Association of Professional Soil Scientists

www.mapss.org

Maryland

Maryland Onsite Wastewater Professionals Association

www.mowpa.org; 443/570-2029

Massachusetts

Massachusetts Association of Onsite Wastewater Professionals

www.maowp.org; 781/393-5710

Michigan

Michigan Onsite Wastewater Recycling Association

www.mowra.org

Michigan Septic Tank Association

www.msta.biz; 989/808-8648

Minnesota

Minnesota Onsite Wastewater Association

www.mowa-mn.com; 888/810-4178

Missouri

Missouri Smallflows Organization

www.mosmallflows.org; 417/631-4027

Nebraska

Nebraska On-site Waste Water Association

www.nowwa.org; 402/476-0162

New Hampshire

New Hampshire Association of Septage Haulers

www.nhash.com; 603/831-8670

Granite State Designers and Installers Association

www.gsdia.org; 603/228-1231

New Mexico

Professional Onsite Wastewater Reuse Association of New Mexico

www.powranm.org; 505/989-7676

New York

Long Island Liquid Waste Association, Inc.

www.lilwa.org; 631/585-0448

North Carolina

North Carolina Septic Tank Association

www.ncsta.net; 336/416-3564

North Carolina Portable Toilet Group

www.ncportabletoiletgroup.org; 252/249-1097

North Carolina Pumper Group

www.ncpumpergroup.org; 252/249-1097

Ohio

Ohio Onsite Wastewater Association

www.ohioonsite.org; 866/843-4429

Oregon

Oregon Onsite Wastewater Association

www.o2wa.org; 541/389-6692

Pennsylvania

Pennsylvania Association of Sewage Enforcement Officers

www.pa-seo.org; 717/761-8648

Pennsylvania Onsite Wastewater Recycling Association

www.powra.org

Pennsylvania Septage Management Association

www.psma.net; 717/763-7762

Tennessee

Tennessee Onsite Wastewater Association

www.tnonsite.org

Texas

Texas On-Site Wastewater Association

www.txowa.org; 888/398-7188

Virginia

Virginia Onsite Wastewater Recycling Association

www.vowra.org; 540/377-9830

Washington

Washington On-Site Sewage Association

www.wossa.org; 253/770-6594 

Wisconsin

Wisconsin Onsite Water Recycling Association

www.wowra.com; 608/441-1436

Wisconsin Liquid Waste Carriers Association

www.wlwca.com; 608/441-1436

 

NATIONAL

Water Environment Federation

www.wef.org; 800/666-0206

National Onsite Wastewater Recycling Association

www.nowra.org; 800/966-2942

National Association of Wastewater Technicians

www.nawt.org; 800/236-6298

 

CANADA

Alberta

Alberta Onsite Wastewater Management Association

www.aowma.com; 877/489-7471

British Columbia

WCOWMA Onsite Wastewater Management of B.C.

www.wcowma-bc.com; 877/489-7471

British Columbia Onsite Sewage Association

www.bcossa.org; 778/432-2120

Manitoba

Manitoba Onsite Wastewater Management Association

www.mowma.org; 877/489-7471

Onsite Wastewater Systems Installers of Manitoba, Inc.

www.owsim.com; 204/771-0455

New Brunswick

New Brunswick Association of Onsite Wastewater Professionals

www.nbaowp.ca; 506/455-5477

Nova Scotia

Waste Water Nova Scotia

www.wwns.ca; 902/246-2131

Ontario

Ontario Onsite Wastewater Association

www.oowa.org; 855/905-6692

Ontario Association of Sewage Industry Services

www.oasisontario.on.ca; 877/202-0082

Saskatchewan

Saskatchewan Onsite Wastewater Management Association

www.sowma.ca; 877/489-7471

Canadian Regional

Western Canada Onsite Wastewater Management Association

www.wcowma.com; 877/489-7471