Last year, I wrote a blog on “How many valves are enough?” I’m following up on that now with a quick survey on how engineers decide on where to put isolation valves, and I could use your help. I’ve talked...

Pipe manufacturers have been feuding forever to prove that their pipe has better head loss characteristics than their competitors. I’m certainly not going to give a definitive answer in this blog. Recently though, the Uni-Bell PVC Pipe Association has published...

Co-Authors: Rua Suleiman, and Luís Fernandes Flash floods in urban areas are becoming increasingly common, causing widespread devastation and loss of life. Floods can come about at any time of the year and their occurrences are influenced by various factors....

In a sewer or stormwater utility, flow can generally be considered one-dimensional (1D). Flow passes through linear conduits, channels, culverts, and gutters, and for the most part, these can be modeled as 1D elements connected by manholes, junctions, and cross...

We all know that chlorine is a toxic chemical. That’s why we use it to kill harmful microbes in drinking water, but we don’t want to chlorinate to kill aquatic life in our lakes and rivers or have them smelling...

Valves tend to be the most ignored appurtenances in our systems … until you need them, then they are the most valuable. If you never had to shut down a portion of your distribution system to repair a break or...