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2. Tunnel and Reservoir Plan - Wikipedia

   en.wikipedia.org/wiki/Tunnel_and_Reservoir_Plan

   Aerial view of Phase II of the McCook Reservoir under construction in 2023. The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting ...

3. Sanitary sewer overflow - Wikipedia

   en.wikipedia.org/wiki/Sanitary_sewer_overflow

   The U.S. Environmental Protection Agency (EPA) estimates that at least 23,000 to 75,000 SSO events occur in the United States each year. [1] EPA estimated that upgrading every municipal treatment and collection system to reduce the frequency of overflow events to no more than once every five years would cost about $88 billion as of 2004. [2]

4. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   Groundwater pollution, water pollution e.g. during floods [1] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

5. How much damage did flooding cause in southwest IL ... - AOL

   www.aol.com/news/much-damage-did-flooding-cause...

   “It is not a city issue; it’s a regional issue where it’s going to take the county, state of Illinois, the federal government, all of us to get in and solve the drainage problem that we have ...

6. Drainage - Wikipedia

   en.wikipedia.org/wiki/Drainage

   Drainage. High-density polyethylene pipe installation in a storm drain project, Mexico. Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root growth), but many ...

7. Andover looks to solve drainage issues

   www.aol.com/weather/andover-looks-solve-drainage...

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