Holding tank
A holding tank, also called a waste water holding tank or black (water) tank, is a container for storing sewage in vehicles equipped with toilets. Vehicles that employ holding tanks include Recreational Vehicles (RVs), trucks (U.S. usage) or lorries (UK usage), railroad trains, boats, aircraft, and even spacecraft. The contents are emptied into a dump station, which discharges the raw sewage into a sewage treatment system.
Holding tank can also refer to a sealed, buried tank used to hold waste from a house or other building. Such a tank is referred to in the U.K. as a cesspit, and as a septic tank in the U.S.
See also
- Passenger train toilets
- Head (watercraft)
- Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter
- Cesspit
Categories: Sewerage
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