Full TGIF Record # 234162
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DOI:10.1111/j.1752-1688.2001.tb03641.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2001.tb03641.x/pdf
    Last checked: 12/12/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Casanova, Lisa M.; Little, Val; Frye, Robert J.; Gerba, Charles P.
Author Affiliation:Casanova: Research Assistant, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina; Little: Research Specialist, Water Resources Research Center; Frye: Research Scientist, Environmental Research Laboratory; Gerba: Professor, Department of Soil, Water, and Environmental Science, University of Arizona, Tucson, Arizona
Title:A survey of the microbial quality of recycled household graywater
Source:Journal of the American Water Resources Association/AWRA. Vol. 37, No. 5, October 2001, p. 1313-1319.
# of Pages:7
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2001.tb03641.x/abstract
    Last checked: 12/12/2013
    Notes: Abstract only
Keywords:TIC Keywords: Evaluations; Greywater use; Microbial activity; Water conservation; Water quality
Abstract/Contents:"In arid regions where populations are expanding and water is scarce, people are searching for ways to conserve and reuse water. One way homeowners can conserve water is by recycling graywater-wastewater from household sinks, showers, bathtubs, and washing machines. Graywater is used mostly for landscape irrigation. Since graywater is wastewater, reusing it raises concerns about disease transmission, either by contact with the water or the irrigated soil. The purpose of this study was to assess how factors such as number and age of household occupants, types of graywater storage, and sources of graywater used affect the microbial quality of graywater and soil irrigated with graywater. Samples were collected over twelve months from eleven Tucson, Arizona households recycling graywater. Samples of graywater, soil irrigated by graywater, and soil irrigated by potable water were collected. We found that graywater irrigation causes a statistically significant increase in levels of fecal coliforms in soil when compared to soil irrigated with potable water. Graywater from the kitchen sink significantly increases levels of these bacteria in water and soil. Children also cause a statistically significant increase in fecal coliform levels in graywater and soil, possibly introducing a small amount of additional risk in graywater reuse."
Language:English
References:16
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Casanova, L. M., V. Little, R. J. Frye, and C. P. Gerba. 2001. A survey of the microbial quality of recycled household graywater. Water Resour. Bull. 37(5):p. 1313-1319.
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DOI: 10.1111/j.1752-1688.2001.tb03641.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2001.tb03641.x/pdf
    Last checked: 12/12/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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