Feasibility of Stormwater for Recharge in the Las Vegas Valley

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by Virginia Bax-Valentine, Clark County Regional Flood Control, Dist, United States,
Lazell Preator, Clark County Regional Flood Control, Dist, United States,
John Hess, Clark County Regional Flood Control, Dist, United States,

Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H²AL):

Abstract: Rapid growth in the Las Vegas Valley has increased the pressure on the limited water supply. The increased water demand has stimulated public interest in water conservation and the potential for stormwater recharge. Many communities in less acid regions have implemented programs to utilize stormwater runoff. In the Las Vegas Valley, which receives less than four inches of rainfall annually, the concept is new and poses several unique considerations, including extremely low volumes of runoff, aquifer depth, and storm frequency and distribution, high evaporation rates, low permeability, water quality, and geologic conditions. In this paper current stormwater recharge practices in arid regions will be discussed. The feasibility of converting detention basins into recharge facilities will be explored and the mechanics, limitations, and economic factors of stormwater recharge in the Las Vegas Valley will be evaluated.

Subject Headings: Stormwater management | Feasibility studies | Runoff | Rainfall-runoff relationships | Economic factors | Water conservation | Aquifers | Frequency distribution | Water demand | Nevada | Las Vegas | North America | United States

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