• Sewer History - Jon Schladweiler, the Historian of the Arizona Water & Pollution Control Association, has researched and collected materials related to the history of sewage conveyance systems. Many of these have been displayed in a traveling exhibit entitled "The Collection Systems Historical Photo and Artifacts Display." The overall collection of sewer history materials covers the era from approximately 3500 BCE through the 1930s CE.


• Waste Water Tour - An online virtual tour of how waste water is turned into clean water in Yorkshire.


• Water Information Sharing and Analysis Center (WaterISAC) is the most comprehensive and up-to-the-minute online resource of security information for America’s drinking and wastewater utilities.