As we continue to discuss stormwater features, we wouldn’t be doing the topic justice if we didn’t talk about ponds. It seems like stormwater ponds are everywhere, but as we will learn, no 2 ponds are created alike. There are many different types of ponds and telling them apart can be tricky. As we’ve already learned, stormwater control means several …
Continuing in the world of Stormwater Quality systems, the next system we will look at is the stormwater filter. There are several different types of proprietary stormwater filters. Designs range from systems that are intended to take out a single pollutant to those that are effective at removing a range of pollutants. Although the systems do differ in their intent, …
So the typical stormwater system has catch basins and it may have a water quality and water quantity system. Let’s keep water quantity for the future and discuss water quality first. As I alluded to in my last blog post, both water quantity systems and water quality systems can really be considered under the heading of water quality. Water quantity …
In the last blog I wrote about the catch basin, the workhorse of the stormwater system. Often the next item we find downstream of our catch basins is a water quality or water quantity system. In stormwater facilities present on most every commercial, industrial, or housing development site, there are 2 types of major design systems intended to protect the …
In a properly designed stormwater system, the catch basin is the first point of entry for stormwater draining from a site. The catch basin, the grate you see on the top of the pavement and the concrete box below the surface, traps the water while the pollutants, most of which are heavier than water, settle out of the stormwater to …
One question I hear a lot is “doesn’t stormwater get treated centrally before it gets discharged anyway?” The short answer is ‘no.’ Although most stormwater systems used to go through through the same treatment as sanitary sewer, most urbanized areas have replaced the combined sewer system with two separate systems, one for stormwater and the other for sanitary sewer. What …
With a flair for the pun, I chose this topic today because I know that to those who have something to do with stormwater but who don’t make their living designing it, writing about it, thinking about it everyday, the changing research, requirements, and regulations in the stormwater world must be perplexing. Its all, though, really quite simple. Stormwater is …
As engineers and wanna-be engineers, we in the stormwater industry love our acronyms. We love them even better if they are difficult to understand for the non-engineer. It makes us feel like we are part of an elite class. One acronym that you may hear more and more as you pay more attention to the stormwater world is BMP. BMP …
Stormwater suffers from the “Outta sight, outta mind” issue. Once it’s gone from my view, it’s gone, right? Of course we know that is incorrect. Its disappearance from the pavement into a conveyance system is really just the start of the earthbound portion of its cyclical life. Let’s take a look at the various ways that stormwater may be headed …
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