www.awwa.org
Trade association for drinking water professional

www.waterforpeople.org
Humanitarian non-profit organization supporting water projects in developing countries

www.epa.gov/safewater
Federal drinking water regulations and guidance documents

www.dhs.ca.gov
California Department of Health Services

www.cdc.gov
Centers for Disease Control and Prevention

www.dph.sf.ca.us
City of San Francisco Health Department

www.hach.com
Drinking water field testing materials

www.extech.com
Drinking water field testing materials

www.acr.com
Temperature probe data loggers

www.haestad.com
Modeling software

www.nmss.org
Non-profit Society for people with MS

www.lapena.org
Website of La Pena Cultural Society

www.lichifuentes.com
Lichi Fuentes’ website

www.moveon.org
Progressive website

www.craigslist.com
Community bulletin board

www.marthastewart.com
Because one stupid mistake shouldn’t ruin a woman’s business

www.thislife.org
Good stories

www.saheltech.com
Website development and database design