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  2. Metropolitan Area Outer Underground Discharge Channel

    en.wikipedia.org/wiki/Metropolitan_Area_Outer...

    The Metropolitan Area Outer Underground Discharge Channel ( Japanese: 首都圏外郭放水路, Hepburn: shutoken gaikaku hōsuiro), popularly known as G-Cans, is an underground water infrastructure project in Kasukabe, Saitama, Japan. It is the world's largest underground flood water diversion facility, built to mitigate overflowing of the ...

  3. Storm drain - Wikipedia

    en.wikipedia.org/wiki/Storm_drain

    Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved streets, car parks ...

  4. Stormwater - Wikipedia

    en.wikipedia.org/wiki/Stormwater

    Stormwater, also written storm water, is water that originates from precipitation ( storm ), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil ( infiltrate) and become groundwater, be stored on depressed land surface in ponds and puddles, evaporate back into the atmosphere, or contribute to surface runoff.

  5. Stormwater harvesting - Wikipedia

    en.wikipedia.org/wiki/Stormwater_harvesting

    Stormwater harvesting or stormwater reuse is the collection, accumulation, treatment or purification, and storage of stormwater for its eventual reuse. While rainwater harvesting collects precipitation primarily from rooftops, stormwater harvesting deals with collection of runoff from creeks, gullies, ephemeral streams and underground conveyance.

  6. Retention basin - Wikipedia

    en.wikipedia.org/wiki/Retention_basin

    Storm water is typically channeled to a retention basin through a system of street and/or parking lot storm drains, and a network of drain channels or underground pipes. The basins are designed to allow relatively large flows of water to enter, but discharges to receiving waters are limited by outlet structures that function only during very ...

  7. Combined sewer - Wikipedia

    en.wikipedia.org/wiki/Combined_sewer

    Combined sewer. A combined sewer system. During dry weather (and small storms), all flows are handled by the publicly owned treatment works (POTW). During large storms, the relief structure allows some of the combined stormwater and sewage to be discharged untreated to an adjacent water body. A combined sewer is a type of gravity sewer with a ...

  8. Tunnel and Reservoir Plan - Wikipedia

    en.wikipedia.org/wiki/Tunnel_and_Reservoir_Plan

    Tunnel and Reservoir Plan. 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 ...

  9. Dry well - Wikipedia

    en.wikipedia.org/wiki/Dry_well

    Dry well. A dry well or drywell is an underground structure that disposes of unwanted water, most commonly surface runoff and stormwater, in some cases greywater or water used in a groundwater heat pump. It is a gravity-fed, vertical underground system that can capture surface water from impervious surfaces, then store and gradually infiltrate ...

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