EPA Wants Creative Solutions to a Common Problem

By Dustin Renwick

Flushing is the easy part. What happens in our sewer systems after that remains unseen, hidden in the aging network of millions of miles of underground pipes.

Sometimes the pipes overflow due to heavy rain and storms. In fact, the Cincinnati area’s combined sewer systems discharge about 16 billion gallons of raw sewage mixed with storm water in just one year. This gunk pollutes local streams and rivers, as we’ve explained before.

One problem in reducing stormwater overflows is a lack of real-time information. In many areas, sewage overflows require manual monitoring from local utilities. Meanwhile, some wireless sensors do exist, but their cost remains prohibitively high for wide use.

EPA has partnered with Cincinnati Innovates, the Cincinnati Metropolitan Sewer District, and the Northern Kentucky Sewer District 1 to launch a new challenge that calls for creative thinkers and fresh ideas.

The challenge will reward designs that create inexpensive, low-maintenance sensors to help monitor sewer overflows. This new generation of sensors would allow companies to improve their operational efficiency and meet sewer overflow requirements set by the Clean Water Act.

EPA will reward $10,000 for at least one submitted  solution. The challenge closes Sept. 2.

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