WebA cistern is used in areas where wells do not provide sufficient water yield or do not provide safe water for drinking. A properly maintained cistern, filled with municipally treated water, that is delivered by an approved … WebCistern volume can be determined, for any given rainfall, using the following general equation: cistern volume (in gallons) = roof surface area (in square feet) x rainfall amount (in feet) x 0.90 x 7.5 gallons/ cubic foot. For example: one 250-gallon cistern would provide runoff storage from a rooftop area of approximately 880 square

Cistern - definition of cistern by The Free Dictionary

WebMoved Permanently. The document has moved here. WebUnderground cisterns are widely used for the collection and storage of rainwater in addition to the storage of well water, air conditioning condensate, cooling tower make-up, fire … interpreting earth history 8th edition

CISTERNS IN THE U.S. VIRGIN ISLANDS - epa.gov

Webcistern 在英語-中文（繁體）詞典中的翻譯 cistern noun [ C ] uk / ˈsɪs.tən / us / ˈsɪs.tɚn / a container in which water is stored, especially one connected to a toilet or in the roof of a … WebJun 26, 2024 · The cistern is about 10 feet across and about 3 feet deep. When archaeologists first excavated it, it was filled with nearly 600 bricks, which archaeologists believed were removed from the upper section of the cistern structure and used as part of the fill when it was closed down. WebMar 30, 2024 · This toilet rig was used for a range of experiments in which known numbers of Lactobacilli were seeded into the cistern. The volume of water held in the cistern was 10 dm 3 while the bowl could hold 4 dm 3. Deionised water (9 dm 3) was added to the cistern for cleaning and in each experiment. For the purposes of all experiments the larger ... newer football movies