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Indianapolis’ CSO project

Indianapolis’ CSO project
A little known or seen part of our every day built envrionment will be the focus of one of the city’s largest infrastructure projects ever in coming years. What is commonly called a “CSO” or “Combined Sewer Overflow” is a structure that was implimented in the late 19th and early 20th century. A single system of buried pipes were used to collect sewage and storm water runoff so that surface pollution was eliminated. At the time, this was thought to be a great improvement over the current systems. However, when the pipes were filled to capacity, there was nowhere for this...
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Where are all those pipes headed?

If you spend any amount of time on the south side of downtown Indianapolis you may have noticed a large scale project going on. It looks to the casual observer like a bunch of pipes that are suppose to be under the ground, that are routed above ground for the most part along city streets and occasionally buried beneath at street crossings using thick steel plates. This past weekend, I started at the Lilly campus where the pipes appear to begin and started walking, armed with my camera. What I discovered, was a vast stretch of pipes traversing the streets of downtown’s less dense areas. Namely,...
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