- Ground Water Science www.groundwaterscience.com (source for much ground water and hydrogeologic information, including a large links library). Ground Water Science also has Facebook service and LinkedIn company pages were we currently share G+WT news as well.
- Poverty Eradication Network Trust (PEN Trust), Dodoma, Tanzania http://www.pentrust.org/ (Note: Patience while they reconstruct their web site - PEN Trust has a Facebook page) PEN Trust develops and equips schools, libraries, and health care facilities in rural and periurban Dodoma and Singida.
- Ministry of Water, Tanzania Government http://www.maji.go.tz/index.php
- Rufiji Basin Water Board http://www.rufijibasin.com/details.html
- Geological Survey of Tanzania http://www.gst.go.tz/index.html
- Dodoma Urban Water and Sewerage Authority http://www.duwasa.or.tz/
- Moshi Urban Water and Sewerage Authority http://www.muwsa.or.tz/
- WaterAid Tanzania http://www.wateraid.org/us/where-we-work/page/tanzania
- Water for People http://www.waterforpeople.org/ While not working in Tanzania, offers models for long-term sustainable management of water systems in the developing world.
- Water Development and Management Institute http://www.wdmi.ac.tz/index.php?menuid=MM1&siteCode=WDMI
- St. Johns University, Dodoma http://www.sjut.ac.tz/
- Diocese of Youngstown http://www.doy.org/
- Northwestern Ohio Synod http://nwos-elca.org/
- Dodoma Tanzania Health Development http://dthd.org/