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Using graywater and stormwater to enhance local water supplies : an assessment of risks, costs, and benefits
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| 자료유형 | 단행본 |
|---|---|
| 서명/저자사항 | Using graywater and stormwater to enhance local water supplies : an assessment of risks, costs, and benefits/ Committee on the Beneficial Use of Graywater and Stormwater: an Assessment of Risks, Costs, and Benefits, Water Science and Technology Board, Division on Earth and Life Studies, the National Academies of Sciences, Engineering, and Medicine. |
| 단체저자명 | National Academies of Sciences, Engineering, and Medicine (U.S.). Committee on the Beneficial Use of Graywater and Stormwater: an Assessment of Risks, Costs, and Benefits,author. |
| 발행사항 | Washington, DC: the National Academies Press, [2016]. |
| 형태사항 | 1 online resource (xii, 211 pages): illustrations (some color). |
| 기타형태 저록 | Print version: Using Graywater and Stormwater to Enhance Local Water Supplies. Natl Academy Pr 2016 9780309388351 |
| ISBN | 9780309388368 0309388368 |
| 서지주기 | Includes bibliographical references (pages 173-186). |
| 내용주기 | Introduction -- Beneficial use options for graywater and stormwater -- Quantities available for beneficial use and potential impacts on water demand -- Quality of graywater and sotrmwater -- Characterizing and mitigating human health environmental risks -- State of design practice for stormwater and graywater -- Costs and benefits -- Legal and regulatory issues -- Graywater and stormwater in the context of integrated water supply planning -- Priorites for research -- References -- Appendix A: Calculating the benefits of rooftop runoff capture systems -- Appendix B: Summary of state laws and regulations for graywater and stormwater -- Appendix C: Water Science and Technology Board -- Appendix D: Biographical sketches of committee members and staff. |
| 요약 | "Chronic and episodic water shortages are becoming common in many regions of the United States, and population growth in water-scarce regions further compounds the challenges. Increasingly, alternative water sources such as graywater-untreated wastewater that does not include water from the toilet but generally includes water from bathroom sinks, showers, bathtubs, clothes washers, and laundry sinks- and stormwater-water from rainfall or snow that can be measured downstream in a pipe, culvert, or stream shortly after the precipitation event-are being viewed as resources to supplement scarce water supplies rather than as waste to be discharged as rapidly as possible. Graywater and stormwater can serve a range of non-potable uses, including irrigation, toilet flushing, washing, and cooling, although treatment may be needed. Stormwater may also be used to recharge groundwater, which may ultimately be tapped for potable use. In addition to providing additional sources of local water supply, harvesting stormwater has many potential benefits, including energy savings, pollution prevention, and reducing the impacts of urban development on urban streams. Similarly, the reuse of graywater can enhance water supply reliability and extend the capacity of existing wastewater systems in growing cities. Despite the benefits of using local alternative water sources to address water demands, many questions remain that have limited the broader application of graywater and stormwater capture and use. In particular, limited information is available on the costs, benefits, and risks of these projects, and beyond the simplest applications many state and local public health agencies have not developed regulatory frameworks for full use of these local water resources. To address these issues, Using Graywater and Stormwater to Enhance Local Water Supplies analyzes the risks, costs, and benefits on various uses of graywater and stormwater. This report examines technical, economic, regulatory, and social issues associated with graywater and stormwater capture for a range of uses, including non-potable urban uses, irrigation, and groundwater recharge. Using Graywater and Stormwater to Enhance Local Water Supplies considers the quality and suitability of water for reuse, treatment and storage technologies, and human health and environmental risks of water reuse. The findings and recommendations of this report will be valuable for water managers, citizens of states under a current drought, and local and state health and environmental agencies"--Publisher description. |
| 일반주제명 | Graywater (Domestic wastewater) --United States --Management. Water reuse --United States --Management. Runoff --United States --Management. TECHNOLOGY & ENGINEERING / Environmental / General |
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