Preprint Article Version 1 This version is not peer-reviewed

A Systems Analysis Approach to Identifying Critical Success Factors in Drinking Water Source Protection Programs

Version 1 : Received: 2 April 2019 / Approved: 3 April 2019 / Online: 3 April 2019 (11:43:49 CEST)

A peer-reviewed article of this Preprint also exists.

Merrett, H.C.; Chen, W.T.; Horng, J.J. A Systems Analysis Approach to Identifying Critical Success Factors in Drinking Water Source Protection Programs. Sustainability 2019, 11, 2606. Merrett, H.C.; Chen, W.T.; Horng, J.J. A Systems Analysis Approach to Identifying Critical Success Factors in Drinking Water Source Protection Programs. Sustainability 2019, 11, 2606.

Journal reference: Sustainability 2019, 11, 2606
DOI: 10.3390/su11092606

Abstract

The success of source protection in ensuring safe drinking water is centered around being able to understand the hazards present in the catchment then plan and implement control measures to manage water quality risk to levels which can be controlled through downstream barriers. The programs in place to manage source protection are complex sociotechnical systems involving policy, standards, regulators, technology, human factors and so on. This study uses System Theoretic Process Analysis (STPA) to analyze the operational hazards of a typical drinking water source protection (DWSP) program and identify control measures to ensure safe operations. To validate the results a questionnaire was developed and distributed to specialists in DWSP in Taiwan, Australia and Greece. Using Principle Components Analysis (PCA) of the questionnaire responses, the study identified four critical success factors (CSFs) for DWSP. The four factors identified are ‘Policy and Government Agency Support of Source Protection’, ‘Catchment Risk Monitoring and Information’, ‘Support of Operational Field Activities’ and ‘Response to Water Quality Threats’. The results of this study provide insight into the approach of grouping of source protection measures to identify a series of targeted CSF for operational source protection programs. Using CSF can aide catchment management agencies in ensuring that the risk level in the catchment is managed effectively and that threats to public health from drinking water are managed appropriately.

Subject Areas

Drinking Water Source Protection; Drinking Water Safety; System Theoretic Process Analysis; Principle Components Analysis; Hazard Analysis.

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