Hydraulics & Hydrology

Pretty much every water and wastewater system these days of any size has a SCADA (Supervisory Control and Data Acquisition) system. We just take them for granted. However, water systems were built and operated for many years before the coming...

You get a pressure reading of 62 psi. What does that mean? Is it: 62.0000 psi 62 +/- 5 psi Somewhere around 62 psi Who really cares? A lot depends on why you are collecting that data. Is it just...

When I started working in water distribution system modeling, building a model, and getting it to run was so difficult and time-consuming that getting any results was a major accomplishment. There wasn’t much time left in the project to do...

I’ve given quite a few presentations on saving energy in pumping. Recently, I’ve been working with Eric Dole from Garver on the chapter on pumping energy in an upcoming AWWA Manual (M83) on Energy. One of the key things I’ve...

Co-Authors: Rua Suleiman, and Luís Fernandes Dans les zones urbaines, les crues soudaines sont de plus en plus fréquentes et provoquent des dégâts considérables ainsi que des victimes. Ces inondations peuvent survenir tout au long de l’année et leur fréquence...

I didn’t get much response to the question I posed in a recent blog about the best placement of isolation valves. Either readers thought the question was too difficult or I would need to come up with more interesting blog...