Water

WATER

WATER (one can only live 2-3 days without water). Humans require only approximately 1-2 gallons of water per day, yet we consume on average 100-150 gallons per day, depending on what societal sectors are included in the estimate. Water is rapidly becoming a critical resource and the competitive human-environmental demands will require careful management and conservation in the next decade.

Modeling the input and output of water resources of a site generally mandates the need for water conservation to place the H2O exchange in balance with the amount of rainfall that falls on a site. Most sustainable goals for communities would vary from 20 gallons per person in desert climates to 35 gallons in an area which receives over 25 inches of rainfall per year. To achieve these amounts, water conservation, indigenous landscaping and water impoundment programs are critical. The establishment of gray water systems can substantially increase the household’s use of water.

This web site was developed with the authors and
Michael Mahaffy, Computer Systems Professional, School of Architecture, Washington State University

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updated 11/24/99