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Assessment of high density of onsite wastewater treatment systems on a shallow groundwater coastal aquifer using PCA

Carroll, Steven P. & Goonetilleke, Ashantha (2005) Assessment of high density of onsite wastewater treatment systems on a shallow groundwater coastal aquifer using PCA. Environmetrics, 16(3), pp. 257-274.

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Abstract

Onsite wastewater treatment systems are common throughout the world including Australia, with approximately 17% of the Australian population relying on these systems to treat and ultimately dispose of wastewater. Systems which are properly sited, designed and managed are an effective way of providing the necessary treatment of wastewater. However, numerous incidence of onsite system failure is common, and this is further compounded in areas where high densities of systems are established. The density of systems is not appropriately assessed in the siting and design stage. Various factors, such as site and soil characteristics and climate can influence the treatment efficiency, and this is more critical in high density areas. Principal component analysis was used for assessing chemical and microbiological data from shallow groundwater below a high density of onsite treatment systems. The results of this study confirmed that high system densities can significantly impact on shallow groundwater systems. Additionally, changes in spatial and climatic conditions, as well as the type of onsite system can also influence the quality of groundwater.

Impact and interest:

10 citations in Scopus
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6 citations in Web of Science®

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ID Code: 4016
Item Type: Journal Article
Keywords: Onsite systems, high density, groundwater, Principal Component Analysis
DOI: 10.1002/env.698
ISSN: 1180-4009
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100) > Quality Assurance Chemometrics Traceability and Metrological Chemistry (030106)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2005 John Wiley & Sons
Copyright Statement: The definite version is available on publication at www3.interscience.wiley.com
Deposited On: 04 May 2006
Last Modified: 29 Feb 2012 23:14

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