London Sewers
We take indoor plumbing for granted, but it hasn't always existed. how was life in victorian london, with sewage running in the streets and even stored under the houses? here is part 1 of the story, by mary gayman.
http://www.swopnet.com/engr/londonsewers/londontext1.html
Sewer History
Sewer history from prehistory to the present
http://www.sewerhistory.org/
Sewer List
A listserv (mailing list) about wastewater-treatment (sanitary sewers, storm sewers, drainage)
http://www.swopnet.com/engr/mail_lists/sewer_list_info.html
Waste.nl
Waste works towards sustainable improvement of the urban poor's living conditions and the urban environment in general. our multi-year, multi-country programmes and projects have a focus on bottom-up development in relation to recycling, solid waste management, ecological sanitation and knowledge sharing. waste, located in the netherlands, teams up with organisations in africa, asia, latin america and eastern europe that share its goals and approaches.
http://www.waste.nl/