NOWRA - National Onsite Wastewater Recycling Association
www.nowra.org  

US EPA - Septic Systems Web Site
Home Page: http://cfpub.epa.gov/owm/septic/home.cfm
Publications Page: http://cfpub.epa.gov/owm/septic/publications.cfm

Water Environment Federation
www.wef.org

WateReuse Association
www.WateReuse.org

National Small Flows Clearinghouse
www.nesc.wvu.edu

Center for Decentralized Wastewater Management
http://onsite.tennessee.edu

The Consortium of Institutes for Decentralized Wastewater Treatment
www.onsiteconsortium.org

Texas On-site Wastewater Treatment Research Council
http://www.towtrc.state.tx.us

Water and Wastewater.com
"The best web site for the water treatment professional"
http://www.waterandwastewater.com

Local Onsite Associations

For additional information on what is happening in your area, please visit your onsite association's website:

Alberta Onsite Wastewater Management Association (AOWMA)
British Columbia OnSite Sewage Association (BCOSSA)
California Onsite Wastewater Association (COWA)
Carolina Onsite Wastewater Recycline Association (COWRA)
Colorado Professionals in Onsite Wastewater (CPOW)
Delaware On-site Wastewater Recycling Association (DOWRA)
Florida Onsite Wastewater Association (FOWA)
Georgia Onsite Wastewater Association (GOWA)*
Indiana Onsite Wastewater Professional's Association, Inc. (IOWPA)
Iowa Onsite Waste Water Association (IOWWA)
Kansas Small Flows Association (KSFA)
Kentucky Onsite Wastewater Association (KOWA)
Michigan Onsite Wastewater Recycling Association (MOWRA)
Minnesota On-site Sewage Treatment Contractors Association (MOSTCA)
Missouri Smallflows Organization
Nebraska On-site Waste Water Association (NOWWA)*
New England Interstate Water Pollution Control Commission (NEIWPCC)
Ohio Onsite Wastewater Association (OOWA)
Ontario Onsite Wastewater Association
Oregon Onsite Wastewater Association (O2WA)
-----Pennsylvania Onsite Wastewater Recycling Association - unavailable (previously http://powra.nowra.org) (POWRA)*
Tennessee Onsite Wastewater Association (TOWA)
Texas Onsite Wastewater Association (TOWA)
Utah Onsite Wastewater Association (UOWA)
Virgina Onsite Wastewater Recycling Association (VOWRA)
Washington On-Site Sewage Association (WOSSA)
Wisconsin Onsite Wastewater Recycling Association (WOWRA)

*updated 2007

EPA
Online Wastewater Treatment Systems Manual

EPA
A Homeowner's Guide to Septic Systems