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首页> 外文期刊>Journal of the New England Water Works Association >Water Conservation and Efficiency Analysis -A Case Study From Raleigh, North Carolina
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Water Conservation and Efficiency Analysis -A Case Study From Raleigh, North Carolina

机译：节水与效率分析-以北卡罗来纳州罗利市为例

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As a part of the on going Environmental Impact Study for the proposed Little River Reservoir project for the City of Raleigh, the present study is aimed to help the City identify significant water conservation and efficiencies opportunities and quantify potential water savings resulting from each. The study looked at a range of demand reduction mechanisms and identified four significant and quantifiable ones, which are 1) retrofitting residential indoor equipment to the 1994 water efficiency standard, 2) retrofitting residential indoor plumbing fixtures to the EPA WaterSense standard, 3) eliminating automated lawn irrigation with portable water, and 4) water reuse. A home age based water efficiency analysis is conducted to estimate the potential water savings if all homes can achieve the indoor demand level of post-2000. Based on the guideline of the EPA WaterSense program, a separate indoor efficiency calculation is performed to estimate the additional water savings if WaterSense efficiency can be achieved via old home renovations and new home construction. Next, a lawn irrigation efficiency analysis is conducted based on the daily water production data since the City's permanent water conservation measure took effect in 2008. A multivariate regression model is developed to predict the City's daily irrigation demand and potential irrigation water savings. Finally, a water reuse analysis is performed to quantify potential water savings from the water reuse program Raleigh plans to develop in the next 30 years. Preliminary results from the current study suggest that the four comprehensive water saving mechanisms can collectively reduce Raleigh's per capita water demand by about 15%.
机译：作为拟议中的罗利市小河水库项目正在进行的环境影响研究的一部分，本研究旨在帮助纽约市确定重要的节水和增效机会，并量化由此产生的节水潜力。该研究研究了一系列减少需求的机制，并确定了四个重要且可量化的机制，即：1）将住宅室内设备改造为1994年用水效率标准； 2）将住宅室内卫生设备改造为EPA WaterSense标准； 3）消除自动化用便携式水灌溉草坪，以及4）中水回用。如果所有房屋都可以达到2000年后的室内需求水平，则会进行基于房屋年龄的用水效率分析，以估算潜在的节水量。根据EPA WaterSense计划的指导原则，如果可以通过旧房翻新和新建房屋来实现WaterSense的效率，则需要进行单独的室内效率计算，以估算额外的节水量。接下来，自2008年纽约市永久性节水措施生效以来，根据每日水产量数据进行草坪灌溉效率分析。建立了多元回归模型以预测纽约市的每日灌溉需求和潜在的灌溉节水量。最后，进行了一次水回用分析，以量化Raleigh计划在未来30年开发的水回用程序中潜在的节水量。当前研究的初步结果表明，四种综合节水机制可以使罗利的人均需水量减少约15％。

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