Pathogen inactivation during passage of stormwater through a constructed reedbed and aquifer transfer, storage and recovery

Sidhu, J. P. S., Toze, S., Hodgers, L., Shackelton, M., Barry, K., Page, D. and Dillon, P. (2010) Pathogen inactivation during passage of stormwater through a constructed reedbed and aquifer transfer, storage and recovery. Water Science and Technology, 62 5: 1190-1197. doi:10.2166/wst.2010.398


Author Sidhu, J. P. S.
Toze, S.
Hodgers, L.
Shackelton, M.
Barry, K.
Page, D.
Dillon, P.
Title Pathogen inactivation during passage of stormwater through a constructed reedbed and aquifer transfer, storage and recovery
Journal name Water Science and Technology   Check publisher's open access policy
ISSN 0273-1223
1996-9732
Publication date 2010
Sub-type Article (original research)
DOI 10.2166/wst.2010.398
Volume 62
Issue 5
Start page 1190
End page 1197
Total pages 8
Place of publication London, United Kingdom
Publisher I W A Publishing
Collection year 2011
Language eng
Formatted abstract
A study was undertaken to determine the potential inactivation rates of selected enteric
microorganisms in captured urban stormwater within a constructed reedbed and in tertiary
carbonated aquifer during an Aquifer Storage, Transfer and Recovery (ASTR) scheme. The study
was undertaken in-situ in the constructed reedbed and aquifer using diffusion chambers. The
results showed that all tested bacteria had one log10 reduction time of less than 6 and 2.5 days
respectively in constructed reedbeds and aquifer, which suggests that presence of enteric
bacteria in the recovered water is unlikely. However, adenovirus and Cryptosporidium oocysts
showed lower inactivation rates with one log10 reduction times of more than 33 days in the
constructed reedbeds. This means that the constructed reedbed with a mean residence time
10 days cannot be relied upon as an efficient treatment barrier for virus and protozoa. Storage
of stormwater in aquifer with brackish water resulted in slow inactivation of enteric viruses over
the 35 day incubation period with adenovirus and rotavirus showing slowest inactivation times
(extrapolated T90 of .100 days). Cryptosporidium oocysts showed similar inactivation rate in
the constructed reedbed and aquifer. © IWA Publishing 2010.
Keyword Adenovirus
Constructed reedbed
Cryptosporidium
Managed aquifer recharge
Rotavirus
Stormwater
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Public Health Publications
 
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Created: Sun, 10 Oct 2010, 00:00:14 EST