Human health risks of untreated groundwater third pipe supplies for non-potable domestic applications

Page, Declan, Miotlinski, Konrad, Toze, Simon and Barron, Olga (2014) Human health risks of untreated groundwater third pipe supplies for non-potable domestic applications. Urban Water Journal, 11 6: 461-466. doi:10.1080/1573062X.2013.831912


Author Page, Declan
Miotlinski, Konrad
Toze, Simon
Barron, Olga
Title Human health risks of untreated groundwater third pipe supplies for non-potable domestic applications
Journal name Urban Water Journal   Check publisher's open access policy
ISSN 1573-062X
1744-9006
Publication date 2014-01-01
Year available 2014
Sub-type Article (original research)
DOI 10.1080/1573062X.2013.831912
Volume 11
Issue 6
Start page 461
End page 466
Total pages 6
Place of publication Abingdon, Oxfordshire, United Kingdom
Publisher Taylor and Francis
Language eng
Abstract A quantitative microbial risk assessment (QMRA) was undertaken to determine the potential human health risks associated with use of untreated groundwater from a superficial aquifer in a new residential urban development. In situ pathogen survival experiments determined the attenuation rates of selected pathogens. Cryptosporidium oocysts, Giardia cysts, E. coli, Campylobacter jejuni, and MS2 bacteriophage had 1 log10 (90%) reduction times (T90) ranging from 2 to 42 days. Adenovirus displayed distinctly non-linear broken stick decay rates with an initial T90 of 5 days to day 14, after which the T90 declined to ∼100 days. The QMRA suggested that aquifer attachment was the dominant form of pathogen removal followed by natural attenuation. The QMRA results showed that under the exposure scenarios tested the mean human health risks were all acceptable with calculated Disability Adjusted Life Years (DALYs < 1 × 10-6/person/year).
Keyword adenovirus
Campylobacter
Cryptosporidium
quantitative microbial risk assessment
sewer leakage
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Public Health Publications
 
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