Rainwater harvesting from roofs for non-potable reuse

Natasha Nicholson, Shirley E. Clark, Brett V. Long, Christina Y.S. Siu, Julia Spicher, Kelly A. Steele

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The use of harvested rainwater is one approach for freeing up potable water for more essential applications such as drinking water. Roofs are a readily available surface area that can easily be adapted for rainwater collection; however, some surface materials are not benign and may be more likely to leach contaminants than others. For this study, several commonly available roofing materials were evaluated for runoff water quality for approximately a year and a half. The runoff samples were analyzed for zinc, copper, pH, total phosphorus, total nitrogen, and conductivity. Data from this study showed that traditional roofing materials such as uncoated galvanized metal and treated woods are more likely to leach heavy metals, nitrates, and ammonia than other materials such as green roofs and coated metal roofs. Currently, the water quality data is being compared to recorded storm data and inter-event times to determine what factors affect the quality of the runoff.

Original languageEnglish (US)
Title of host publicationLow Impact Development 2010
Subtitle of host publicationRedefining Water in the City - Proceedings of the 2010 International Low Impact Development Conference
Pages21-30
Number of pages10
DOIs
StatePublished - Jul 30 2010
Event2010 International Low Impact Development Conference - Redefining Water in the City - San Francisco, CA, United States
Duration: Apr 11 2010Apr 14 2010

Publication series

NameLow Impact Development 2010: Redefining Water in the City - Proceedings of the 2010 International Low Impact Development Conference

Other

Other2010 International Low Impact Development Conference - Redefining Water in the City
CountryUnited States
CitySan Francisco, CA
Period4/11/104/14/10

All Science Journal Classification (ASJC) codes

  • Water Science and Technology

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  • Cite this

    Nicholson, N., Clark, S. E., Long, B. V., Siu, C. Y. S., Spicher, J., & Steele, K. A. (2010). Rainwater harvesting from roofs for non-potable reuse. In Low Impact Development 2010: Redefining Water in the City - Proceedings of the 2010 International Low Impact Development Conference (pp. 21-30). (Low Impact Development 2010: Redefining Water in the City - Proceedings of the 2010 International Low Impact Development Conference). https://doi.org/10.1061/41099(367)3