Wastewater The 2017 Greater Vancouver Sewerage and Drainage District Environmental Management and Quality Control Annual Report Revised Edition July 2019 ISSN 1496-9602 TABLE OF CONTENTS PREFACE ....................................................................................................................... 1 EXECUTIVE SUMMARY .................................................................................................... 3 1.0 WASTEWATER TREATMENT MONITORING PROGRAM ............................................... 18 1.1 LABORATORY PROGRAMS ....................................................................................... 18 1.2 MONTHLY REPORTING FOR OPERATIONAL CERTIFICATES ......................................... 19 1.3 QTRLY REPORTING FOR WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) ... 19 2.0 QUALITY ASSURANCE/QUALITY CONTROL (QA/QC) .................................................. 21 3.0 ANNACIS ISLAND WWTP ........................................................................................ 24 3.1 EFFLUENT QUALITY ................................................................................................ 24 3.2 COMPLIANCE REVIEW (ME-00387) AND PERFORMANCE SUMMARY ......................... 24 3.2.1 OPERATIONAL CERTIFICATE COMPLIANCE REVIEW ........................................... 24 3.2.2 PERFORMANCE SUMMARY .............................................................................. 26 3.3 WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) AND COMPLIANCE REVIEW . 29 3.3.1 WSER COMPLIANCE REVIEW ........................................................................... 29 3.4 SECONDARY PROCESS ............................................................................................. 29 3.5 SOLIDS TREATMENT ............................................................................................... 30 4.0 IONA ISLAND WWTP ............................................................................................. 37 4.1 EFFLUENT QUALITY ................................................................................................ 37 4.2 COMPLIANCE REVIEW (ME-00023) AND PERFORMANCE SUMMARY ......................... 37 4.2.1 COMPLIANCE REVIEW ..................................................................................... 37 4.2.2 PERFORMANCE SUMMARY .............................................................................. 38 4.3 WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) & COMPLIANCE REVIEW .. 40 4.3.1 WSER COMPLIANCE REVIEW ........................................................................... 41 4.4 CHEMICALLY ENHANCED PRIMARY TREATMENT ...................................................... 41 4.5 SLUDGE TREATMENT/DIGESTER OPERATIONS ......................................................... 41 5.0 LIONS GATE WWTP ............................................................................................... 48 5.1 EFFLUENT QUALITY ................................................................................................ 48 5.2 COMPLIANCE REVIEW (ME-00030) AND PERFORMANCE SUMMARY ......................... 48 5.2.1 COMPLIANCE REVIEW ..................................................................................... 48 i 5.2.2 PERFORMANCE SUMMARY .............................................................................. 50 5.3 WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) & COMPLIANCE REVIEW .. 52 5.3.1 WSER COMPLIANCE REVIEW ........................................................................... 53 5.4 CHEMICALLY ENHANCED PRIMARY TREATMENT ...................................................... 53 5.5 SLUDGE TREATMENT /DEWATERING ....................................................................... 53 6.0 LULU ISLAND WWTP .............................................................................................. 60 6.1 EFFLUENT QUALITY ................................................................................................ 60 6.2 COMPLIANCE REVIEW (ME-00233) AND PERFORMANCE SUMMARY ......................... 60 6.2.1 COMPLIANCE REVIEW ..................................................................................... 60 6.2.2 PERFORMANCE SUMMARY .............................................................................. 63 6.3 WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) & COMPLIANCE REVIEW .. 65 6.3.1 WSER COMPLIANCE REVIEW ........................................................................... 66 6.4 SECONDARY PROCESS ............................................................................................. 66 6.5 SOLIDS TREATMENT ............................................................................................... 66 6.6 DEWATERED SLUDGE .............................................................................................. 67 7.0 NORTHWEST LANGLEY WWTP ................................................................................ 74 7.1 EFFLUENT QUALITY ................................................................................................ 74 7.2 COMPLIANCE REVIEW (ME-04339) AND PERFORMANCE SUMMARY ......................... 74 7.2.1 COMPLIANCE REVIEW ..................................................................................... 75 7.2.2 PERFORMANCE SUMMARY .............................................................................. 76 7.3 WASTEWATER SYSTEMS EFFLUENT REGULATIONS (WSER) & COMPLIANCE REVIEW .. 78 7.3.1 WSER COMPLIANCE REVIEW ........................................................................... 79 7.4 SECONDARY PROCESS ............................................................................................. 79 7.5 SLUDGE TREATMENT .............................................................................................. 79 8.0 BIOSOLIDS MONITORING ....................................................................................... 86 8.1 ANNACIS ISLAND WWTP BIOSOLIDS MONITORING .................................................. 86 8.2 LIONS GATE WWTP BIOSOLIDS MONITORING .......................................................... 87 8.3 LULU ISLAND BIOSOLIDS MONITORING ................................................................... 88 8.4 IONA ISLAND WWTP DIGESTED SLUDGE MONITORING ............................................ 89 8.5 NORTHWEST LANGLEY TRUCKED SLUDGE MONITORING .......................................... 89 9.0 ENVIRONMENTAL PROGRAMS ................................................................................ 91 10.0 OVERFLOW MONITORING ...................................................................................... 92 ii 10.1 COMBINED SEWER OVERFLOW QUALITY MONITORING............................................ 92 10.1.1 CSO MONITORING PROGRAM .......................................................................... 94 10.1.2 CSO RECEIVING ENVIRONMENT MONITORING PROGRAM ................................ 97 10.2 SANITARY SEWER OVERFLOW (SSO) MONITORING .................................................. 99 11.0 WHOLE EFFLUENT MONITORING .......................................................................... 102 11.1 EFFLUENT TOXICITY TESTING ................................................................................ 102 11.1.2 CHRONIC TOXICITY TESTING .......................................................................... 103 11.1.3 AMMONIA AS A POTENTIAL TOXICANT .......................................................... 104 11.2 SPECIAL CHEMICAL CHARACTERIZATION ............................................................... 104 12.0 RECEIVING ENVIRONMENT MONITORING PROGRAMS ............................................ 106 12.1 IONA DEEP-SEA OUTFALL RECEIVING ENVIRONMENT MONITORING PROGRAM ...... 106 12.1.1 2017 SEDIMENT EFFECTS SURVEY .................................................................. 106 12.1.2 2017 INITIAL DILUTION ZONE BOUNDARY MONITORING ................................ 108 12.1.3 2017 DEMERSAL BIOTA SURVEY .................................................................... 111 12.2 LIONS GATE OUTFALL RECEIVING ENVIRONMENT MONITORING PROGRAM ............ 112 12.2.1 2017 SEDIMENT EFFECTS SURVEY .................................................................. 112 12.2.2 2017 INITIAL DILUTION ZONE BOUNDARY MONITORING ................................ 114 12.3 FRASER RIVER WWTP OUTFALLS RECEIVING ENVIRONMENT QUALITY .................... 117 12.3.1 2017 AIWWTP INITIAL DILUTION ZONE (IDZ) BOUNDARY MONITORING .......... 118 12.3.2 2017 NORTHWEST LANGLEY PILOT ................................................................ 119 12.4 RECREATIONAL WATER QUALITY MONITORING PROGRAM .................................... 120 12.4.1 TESTING ....................................................................................................... 121 12.4.2 REPORTING .................................................................................................. 122 12.4.3 GUIDELINES .................................................................................................. 122 12.4.4 RESULTS ....................................................................................................... 123 12.4.5 STATUS AND TRENDS .................................................................................... 127 13.0 AMBIENT ENVIRONMENT MONITORING PROGRAMS .............................................. 128 13.1 STRAIT OF GEORGIA AMBIENT MONITORING PROGRAM ........................................ 128 13.1.1 APPROACH ..................................................................................................