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

Carroll, Steven P. and 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.

Item Type:Journal Article
Status:Published
Keywords:Onsite systems, high density, groundwater, Principal Component Analysis
Subjects:250000 Chemical Sciences > 250400 Analytical Chemistry > 250408 Chemometrics
290000 Engineering and Technology > 290800 Civil Engineering > 290802 Water and Sanitary Engineering
290000 Engineering and Technology > 291100 Environmental Engineering > 291101 Environmental Engineering Modelling
ID Code:4016
Deposited By:Goonetilleke, Ashantha
Deposited On:04 May 2006
Alternative Locations:http://dx.doi.org/10.1002/env.698
Copyright Owner:Copyright 2005 John Wiley & Sons
Additional Information:For more information, please refer to the journal's website (see hypertext link) or contact the author.