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

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Woronora 2004 Guideline Aesthetic Value Quarter 4 (April to June 2012) Rolling 12 months From 1/04/2012 To 30/06/2012 From 1/07/<strong>2011</strong> To 30/06/2012 Performance Performance Characteristic Analyte Name Units in mg/L unless otherwise specified % Passed Expected No. of Samples A c tu a l N o . o f S a m p le s N o. of Exceptions Max Value Min Value Mean Value 95th Percentile % Passed Expected No. of Samples A c tu a l N o . o f S a m p le s N o. of Exceptions Max Value Min Value Mean Value 95th Percentile Dissolved Oxygen (% Saturation) > 85% Sat 100 7 7 0 112.6 99.4 104.4 ^ 100 28 28 0 123.4 94.5 107.4 118.5 Hardness (Total) 200 100 7 7 0 49.4 44.3 46.4 ^ 100 28 28 0 52.8 44 48.1 52.7 Physical Characteristics Flavour Acceptable # # # # 100 1 1 0 2 2 2 ^ Odour Acceptable # # # # 100 1 1 0 2 2 2 ^ Total Dissolved Solids 500 100 1 1 0 126 126 126 ^ 100 4 4 0 142 126 132.5 ^ Other Inorganic Chemicals Ammonia as NH3 0.50 mg/L 100 7 7 0 0.44 0.18 0.3186 ^ 100 28 28 0 0.46 0.13 0.34 0.44 Free Chlorine 0.6 100 66 66 0 0 0 0 0 100 272 272 0 0 0 0 0 Monochloramine 0.5 22.7 66 66 51 1.38 0.21 0.87 1.31 15.8 272 272 229 1.62 0.2 0.99 1.46 Characteristics w ith Health and Aesthetic Guidelines Total Copper 1 100 7 7 0 0.021 0.002 0.009 ^ 100 28 28 0 0.022 0.002 0.009 0.021 Sulphate 250 100 1 1 0 4.8 4.8 4.8 ^ 100 4 4 0 5.9 4.8 5.5 ^ Manganese 0.1 100 30 30 0 0.004
Cascades 2004 Guideline Aesthetic Value Quarter 4 (April to June 2012) Rolling 12 months From 1/04/2012 To 30/06/2012 From 1/07/<strong>2011</strong> To 30/06/2012 Performance Performance Characteristic Analyte Name Units in mg/L unless otherwise specified % Passed Expected No. of Sam ples A c tu a l N o . o f S a m p le s N o . o f E x c e p tio ns Max Value Min Value Mean Value 95 th P erce ntile % Passed Expected No. of Sam ples A c tu a l N o . o f S a m p le s N o . o f E x c e p tio ns Max Value Min Value Mean Value 95 th P erce ntile Dissolved Oxygen (% Saturation) > 85% Sat 100 7 7 0 102 87.1 92.4 ^ 96.4 28 28 1 114.5 84 94.6 110.5 Hardness (Total) 200 100 7 7 0 59.8 49.3 55 ^ 100 28 28 0 65.9 49.3 57.3 63.7 Physical Characteristics Flavour Acceptable # # # # 100 1 1 0 2 2 2 ^ Odour Acceptable # # # # 100 1 1 0 3 3 3 ^ Total Dissolved Solids 500 100 1 1 0 107 107 107 ^ 100 4 4 0 107 94 101.3 ^ Other Inorganic Chemicals Ammonia as NH3 0.50 mg/L 100 7 7 0
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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Appendix F - Water Conservation Det
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Appendix G - Audit Methodology GHD
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Audit Methodology The methodology a
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Licence Clause Operating Licence Ob
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Drinking Water Quality Interview Pe
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Appendix J - SWC Document Received
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Document Reference Number Document
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GHD 16 Marcus Clarke St Canberra AC
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B Sydney Water’s Statement of Com
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Operating Licence 2010-2015 Complia
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1 Introduction This report has been
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In 2011-12, 572 properties experien
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2.2.1 Water continuity: unplanned i
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2.2.3 Water continuity: historical
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2.3 Sewage Overflow Standard (SPS 4
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2.3.3 Sewage overflows: historical
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3.1 Response times for Priorities 6
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Water use per capita per day 460 43
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4.1.1 Calculating water leakage The
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Table of Contents Introduction Tabl
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Table E.1 - NWI Water Resources and
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NWI W18 Total sewage collected The
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Table E.2 - IPART Service Quality a
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Table E.3 - NWI Customer Indicators
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Sydney Water continues to undertake
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Table E.4 - IPART Customer Service
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Ref. Indicator 2007-08 2008-09 2009
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Table E.7 - NWI Pricing Indicators
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Ref. Indicator 2007-08 2008-09 2009
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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
Page 258 and 259: 2.3 Performance for key characteris
Page 260 and 261: 3.1.1 Evaluation of results on an e
Page 262 and 263: Delivery System No. of exceptions/t
Page 264 and 265: 4. Water quality: other characteris
Page 266 and 267: Table 6: Summary of exceptions for
Page 268 and 269: Table 8: Summary of exceptions for
Page 270 and 271: 5. Water Quality: Summary of NSW He
Page 272 and 273: Date of notification Event/incident
Page 274 and 275: Date of notification Event/incident
Page 276 and 277: Orchard Hills 2004 Guideline Health
Page 278 and 279: Prospect North 2004 Guideline Healt
Page 280 and 281: Ryde 2004 Guideline Health Value Qu
Page 282 and 283: Warragamba 2004 Guideline Health Va
Page 284 and 285: Macarthur 2004 Guideline Health Val
Page 286 and 287: Woronora 2004 Guideline Health Valu
Page 288 and 289: SWC Summary 2004 Guideline Health V
Page 290 and 291: Table 13: Aesthetic guideline value
Page 292 and 293: Delivery System : Prospect East 200
Page 294 and 295: Delivery System : Nepean 2004 Guide
Page 296 and 297: Delivery System : Cascades 2004 Gui
Page 298 and 299: Orchard Hills 2004 Guideline Aesthe
Page 300 and 301: Prospect North 2004 Guideline Aesth
Page 302 and 303: Ryde 2004 Guideline Aesthetic Value
Page 304 and 305: Warragamba 2004 Guideline Aesthetic
Page 306 and 307: Macarthur 2004 Guideline Aesthetic
Page 310 and 311: SWC Summary 2004 Guideline Aestheti
Page 312 and 313: Cryptosporidium - (DAPI CONFIRMED)
Page 314 and 315: Giardia - (DAPI CONFIRMED) Quarter
Page 316 and 317: Table 16: Number of exceptions for
Page 318 and 319: Table 18: Chlorine performance by d
Page 320 and 321: Quarterly Recycled Water Quality Mo
Page 322 and 323: DOCUMENT STATUS This quarterly repo
Page 324 and 325: 1. Introduction In Sydney Water’s
Page 326 and 327: Table 1: Exception summary for recy
Page 328: Table 2: Evaluation of results on e
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Sydney Water Operational Audit 2011/2 - IPART - NSW Government

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