TABLE OF CONTENTS

1. EXECUTIVE SUMMARY

2. INTRODUCTION

Purpose of the Report

3. WATER QUALITY MONITORING

Monitoring Requirement

Monitoring Locations

Monitoring Schedule

Monitoring Equipment

Monitoring Parameters and Frequency

Monitoring Methodology

QA/QC for Laboratory Analysis

4 RESULTS AND OBSERVATIONS

Monitoring Results

Observations

Statistical Analysis

Guidelines for Establishment of Action and Limit Levels

Established Action and Limit Levels

Action Plan

5. CONCLUSIONS

LIST OF TABLES

Table I Action and Limit Levels for Water Quality Monitoring (In-situ Monitoring Parameters)

Table II Limit Levels for Water Quality Monitoring at WSD Intakes (E. coli)

Table III Action and Limit Levels for Water Quality Monitoring at Monitoring Stations Other than WSD Intakes, Gradient Stations and Control Stations (E. coli)

Table 3.1 Water Quality Monitoring Stations

Table 3.2 Marine Water Quality Monitoring Equipment

Table 3.3 In-situ parameters’ measuring range

Table 3.4 Water Quality Monitoring Parameters and Frequency

Table 3.5 Analytical Method for Laboratory Analysis for Water Samples

Table A Baseline Water Quality Monitoring Results (in-situ, Case 1 and 3)

Table B Baseline Water Quality Monitoring Results (in-situ, Case 2 and 4)

Table C Baseline Water Quality Monitoring Results (E.coli, Case 1 and 3)

Table D Baseline Water Quality Monitoring Results (E.coli, Case 2 and 4)

Table 4.1a Summary of the Results of ANOVA (Dissolved Oxygen, surface & middle depth)

Table 4.1b Summary of the Results of ANOVA (Dissolved Oxygen, bottom depth)

Table 4.2a Summary of the Results of ANOVA (Turbidity, Case 3 and 4)

Table 4.2b Summary of the Results of ANOVA (Turbidity, Case 1)

Table 4.2c Summary of the Results of ANOVA (Turbidity, Case 2)

Table 4.3 Guidelines for Establishment of Action and Limit Levels for In-situ Monitoring Parameters

Table 4.4 Guidelines for Establishment of Limit Levels for E. coli for WSD Flushing Water Intakes

Table 4.5 Guidelines for Establishment of Action and Limit Levels for E. coli for Monitoring Stations Other than WSD Flushing Water Intakes, Gradient Stations and Control Stations

Table 4.6a Calculated Action and Limit Levels for In-situ Monitoring Parameters (Dissolved Oxygen)

Table 4.6b Calculated Action and Limit Levels for In-situ Monitoring Parameters (Turbidity)

Table 4.7 Limit Levels for Laboratory Testing Parameter for WSD Intakes

Table 4.8a Action and Limit Levels for E. coli at Monitoring Stations other than WSD Flushing Water Intakes, Gradient Stations and Control Stations (Case 1 and 3)

Table 4.8b Action and Limit Levels for E. coli at Monitoring Stations other than WSD Flushing Water Intakes, Gradient Stations and Control Stations (Case 2 and 4)

LIST OF FIGURES

Figure 1-1 Layout Plan

Figure 2-1 Location of Water Quality Monitoring Stations

LIST OF APPENDIX

Appendix A Baseline Water Quality Monitoring Schedule

Appendix B Copies of Calibration Certificates for Water Quality Monitoring Equipment

Appendix C Baseline Water Quality Monitoring Results (In-situ Parameters)

Appendix D Baseline Water Quality Monitoring Results (E. coli)

Appendix E Laboratory Testing for E. coli

Appendix F Action Plan