Sydney Water Operational Audit 2011/2 - IPART - NSW Government

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Page 1:
Independent Pricing and Regulatory
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© Independent Pricing and Regulato
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Executive Summary Executive Summary
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1 Introduction and scope 1 Introduc
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1 Introduction and scope Under our
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2 Overview of audit findings and re
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2 Overview of audit findings and re
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3 Progress on 2010/11 audit recomme
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A Operational Audit Report 2011/12
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Executive summary Introduction GHD
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Compliance Against Audited Licence
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Figure index Figure 1 Sydney Water'
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1. Introduction 1.1 Sydney Water Co
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1.5 Audit Methodology The operation
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2. Water Quality - Part 2 2.1 Summa
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Information provided by Sydney Wate
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In particular, routine verification
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3. Infrastructure Performance - Par
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Unexpected claims for additional wo
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maintenance request developed. This
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3.6.2 Opportunities for Improvement
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Up until the two most recent years,
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OFI 7.4 IPART should note that any
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Appendix A - Glossary and Dictionar
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Abbreviation/Acronym ISO IT JOG kL
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Clause Requirement Grade Reason a S
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Clause Requirement Grade Reason Aud
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Appendix C - Water Quality Detailed
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Clause Requirement Grade and Reason
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Appendix D - Water Quality Detailed
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Appendix E - Infrastructure Perform
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Page 100 and 101: Clause Requirement Grade and Reason
Page 108 and 109: Appendix F - Water Conservation Det
Page 118 and 119: Appendix G - Audit Methodology GHD
Page 120 and 121: Audit Methodology The methodology a
Page 122 and 123: Licence Clause Operating Licence Ob
Page 142 and 143: Drinking Water Quality Interview Pe
Page 144 and 145: Appendix J - SWC Document Received
Page 146 and 147: Document Reference Number Document
Page 148 and 149: Document Reference Number Document
Page 153 and 154: GHD 16 Marcus Clarke St Canberra AC
Page 155: B Sydney Water’s Statement of Com
Page 158 and 159: Operating Licence 2010-2015 Complia
Page 160 and 161: 1 Introduction This report has been
Page 162 and 163: In 2011-12, 572 properties experien
Page 164 and 165: 2.2.1 Water continuity: unplanned i
Page 166 and 167: 2.2.3 Water continuity: historical
Page 168 and 169: 2.3 Sewage Overflow Standard (SPS 4
Page 170 and 171: 2.3.3 Sewage overflows: historical
Page 172 and 173: 3.1 Response times for Priorities 6
Page 174 and 175: Water use per capita per day 460 43
Page 176 and 177: 4.1.1 Calculating water leakage The
Page 178 and 179: Table of Contents Introduction Tabl
Page 180 and 181: Table E.1 - NWI Water Resources and
Page 182 and 183: NWI W18 Total sewage collected The
Page 184 and 185: Table E.2 - IPART Service Quality a
Page 186 and 187: Table E.3 - NWI Customer Indicators
Page 188 and 189: Sydney Water continues to undertake
Page 190 and 191: Table E.4 - IPART Customer Service
Page 192 and 193: Ref. Indicator 2007-08 2008-09 2009
Page 194 and 195: Table E.7 - NWI Pricing Indicators
Page 196 and 197: Ref. Indicator 2007-08 2008-09 2009
Page 198 and 199: Water Efficiency Report
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Contents At a glance - 2011-12 1 1
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8 Water use forecast 30 8.1 2010-15
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As noted in last year’s Water Eff
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Recycled water In 2011-12, Sydney W
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person per day (LPD). In 2011-12, w
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Box A: Case study Working with cust
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A case study of a customer working
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2.3.3 Educational tours Sydney Wate
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3 Leak management in 2011-12 Best p
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3.5 Improving flow metering Flow me
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4.3 Water recycling projects Sydney
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5 Research, analysis and support in
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5.4 Water Conservation Program Impl
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5.11 Recycling research projects In
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Figure 11 Sydney Water’s Strategi
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lecturers, and local and state gove
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8 Water use forecast Our current de
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Appendix 2 Correcting for weather W
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Appendix 4 Estimating leakage Sydne
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Appendix 6 Savings achieved between
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Program 99-00 00-01 01-02 02-03 03-
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Appendix 8 List of acronyms and uni
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Table of Contents 1 Introduction 3
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(c) If either Sydney Water or a lic
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2.3 Delays by consent authorities N
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Distribution list Controlled copy D
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Contents 1. Introduction ..........
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Water quality - characteristics not
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Table 1: Exception summary for wate
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2.3 Performance for key characteris
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3.1.1 Evaluation of results on an e
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Delivery System No. of exceptions/t
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4. Water quality: other characteris
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Table 6: Summary of exceptions for
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Table 8: Summary of exceptions for
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5. Water Quality: Summary of NSW He
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Date of notification Event/incident
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Date of notification Event/incident
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Orchard Hills 2004 Guideline Health
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Prospect North 2004 Guideline Healt
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Ryde 2004 Guideline Health Value Qu
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Warragamba 2004 Guideline Health Va
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Macarthur 2004 Guideline Health Val
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Woronora 2004 Guideline Health Valu
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SWC Summary 2004 Guideline Health V
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Table 13: Aesthetic guideline value
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Delivery System : Prospect East 200
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Delivery System : Nepean 2004 Guide
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Delivery System : Cascades 2004 Gui
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Orchard Hills 2004 Guideline Aesthe
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Prospect North 2004 Guideline Aesth
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Ryde 2004 Guideline Aesthetic Value
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Warragamba 2004 Guideline Aesthetic
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Macarthur 2004 Guideline Aesthetic
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Woronora 2004 Guideline Aesthetic V
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SWC Summary 2004 Guideline Aestheti
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Cryptosporidium - (DAPI CONFIRMED)
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Giardia - (DAPI CONFIRMED) Quarter
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Table 16: Number of exceptions for
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Table 18: Chlorine performance by d
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Quarterly Recycled Water Quality Mo
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DOCUMENT STATUS This quarterly repo
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1. Introduction In Sydney Water’s
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Table 1: Exception summary for recy
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Table 2: Evaluation of results on e
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Sydney Water Operational Audit 2011/2 - IPART - NSW Government

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