Final 2010-JWC-WMCP
Total Page:16
File Type:pdf, Size:1020Kb
Joint Water Commission Water Management and Conservation Plan prepared for prepared by and August 2010 Joint Water Commission Water Management and Conservation Plan prepared by and August 2010 Contents Abbreviations and Acronyms ......................................................................................................... xi 1 Introduction ......................................................................................................................... 1-1 Overview .............................................................................................................................. 1-1 History of JWC Water Management and Conservation Plans ...................................... 1-1 Plan Organization ................................................................................................................ 1-2 Affected Local Governments ............................................................................................. 1-2 Plan Update Schedule ......................................................................................................... 1-3 Project Consultants .............................................................................................................. 1-3 2 Water Supplier Description ............................................................................................. 2-1 Joint Water Commission ..................................................................................................... 2-1 Service Area and Service Population Description .......................................................... 2-1 Hillsboro .................................................................................................................. 2-2 Forest Grove ............................................................................................................ 2-5 Beaverton ................................................................................................................. 2-6 TVWD ...................................................................................................................... 2-6 Tigard ....................................................................................................................... 2-7 JWC Wholesale ....................................................................................................... 2-7 Interconnections with Other Systems ............................................................................... 2-8 JWC Interconnections ............................................................................................ 2-9 Hillsboro Interconnections .................................................................................... 2-9 Forest Grove Interconnections .............................................................................. 2-9 TVWD Interconnections ........................................................................................ 2-9 Beaverton Interconnections ................................................................................. 2-10 Tigard Interconnections ....................................................................................... 2-10 Intergovernmental Agreements ...................................................................................... 2-11 Water Sources .................................................................................................................... 2-11 JWC Sources .......................................................................................................... 2-11 Non-JWC Sources ................................................................................................. 2-12 System Description ............................................................................................................ 2-13 JWC facilities ......................................................................................................... 2-13 Non-JWC Distribution System Facilities ........................................................... 2-16 Records of Water Use ........................................................................................................ 2-17 Terminology .......................................................................................................... 2-17 Historical Water Demands .................................................................................. 2-19 JWC Annual Demand .......................................................................................... 2-20 Hillsboro ................................................................................................................ 2-25 Forest Grove .......................................................................................................... 2-27 Beaverton ............................................................................................................... 2-28 TVWD .................................................................................................................... 2-29 Tigard ..................................................................................................................... 2-30 Annual Consumption and Unaccounted-for Water ........................................ 2-31 CVO/102150003 iii CONTENTS, CONTINUED Customer Characteristics and Use Patterns .................................................................. 2-33 Hillsboro ................................................................................................................ 2-34 Forest Grove.......................................................................................................... 2-39 Beaverton .............................................................................................................. 2-42 TVWD .................................................................................................................... 2-47 Tigard..................................................................................................................... 2-51 Per Capita Demand ........................................................................................................... 2-55 Water Rights ...................................................................................................................... 2-56 JWC Water Rights ................................................................................................ 2-56 Reservoir Storage and Release Management ................................................................ 2-64 Non-JWC Water Rights Held By Member Agencies ....................................... 2-64 Aquatic Resource Concerns ................................................................................ 2-66 Evaluation of Water Rights and Supply ........................................................................ 2-67 3 Water Conservation ........................................................................................................... 3-1 Introduction ......................................................................................................................... 3-1 Regional Water Conservation Efforts............................................................................... 3-1 JWC Events and Education Committee .............................................................. 3-1 JWC’s Transmission Line Inspection Project ..................................................... 3-3 Regional Water Providers Consortium ............................................................... 3-3 Children’s Clean Water Festival .......................................................................... 3-7 Status Report on Previous JWC WMCP .......................................................................... 3-7 Report on Current WMCP Required Measures ............................................................ 3-11 City of Hillsboro ................................................................................................................ 3-12 Water Use Measurement and Reporting .......................................................... 3-12 Conservation Highlights ..................................................................................... 3-12 Conservation Measures Required of All Suppliers ......................................... 3-14 Additional Conservation Measures .................................................................. 3-19 City of Forest Grove .......................................................................................................... 3-21 Water Use Measurement and Reporting .......................................................... 3-22 Conservation Highlights ..................................................................................... 3-22 Conservation Measures Required of All Suppliers ......................................... 3-22 Additional Conservation Measures .................................................................. 3-23 City of Beaverton............................................................................................................... 3-25 Water Use Measurement and Reporting (OAR 690-086-150 (2)) .................. 3-25 Conservation Highlights ..................................................................................... 3-25 Conservation Measures Required of All Suppliers ......................................... 3-26 Additional Conservation Measures .................................................................. 3-27 TVWD ................................................................................................................................