Related Experiment Video
Updated: May 17, 2026
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
Evaluating water conservation and reuse policies using a dynamic water balance model
Kamal Qaiser1, Sajjad Ahmad, Walter Johnson
1Atkins, 10509 Professional Circle, Suite 102, Reno, NV 89521, USA.
Environmental Management
|November 3, 2012
Summary
Water conservation policies and population growth impact Las Vegas Valley
Area of Science:
- Environmental Science
- Water Resource Management
- System Dynamics Modeling
Background:
- Las Vegas Valley (LVV) faces water shortages and population growth.
- A unique return flow credit system impacts water supply calculations.
- Conservation efforts may inadvertently reduce available water supply.
Purpose of the Study:
- To model the effects of water conservation policies and recycled water use on LVV's water demand and supply.
- To analyze the influence of different population growth scenarios on water availability.
- To evaluate strategies for meeting future water demands.
Main Methods:
- Development of a dynamic water balance model using system dynamics.
- Inclusion of return flow credits as a key component of the water system.
- Simulation of various conservation policies (indoor/outdoor) and population growth rates.
Main Results:
- Outdoor water conservation is crucial for addressing future water shortages.
- Reducing population growth rate is highly effective in managing water demand.
- Meeting conservation targets, especially outdoor, combined with lower growth, can secure water through 2035.
Conclusions:
- Outdoor water conservation and population growth management are key to LVV's water security.
- The interplay between conservation and return flow credits requires careful consideration.
- Integrated strategies are necessary to balance water demand and supply in growing arid regions.
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