Summary Report

Phase 2 – Final Summary Report:
View the corresponding webpages by clicking the tabs above, or download sections of the Summary Report below, or download the entire report (7Mb PDF).

• EXECUTIVE SUMMARY (800Kb PDF)

PART ONE – BACKGROUND (78Kb PDF)
See webpages under “Introduction”. Provides the context for the Phase 2 work.

• 1.0 INTRODUCTION
• 2.0 PHASE 2 PROJECT OVERVIEW

PART TWO – DATA AND DATABASES (2Mb PDF)
See webpages under “Water UseVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use.” and “Data”. Describes the datasets and databases developed during Phase 2, and summarizes the major technical studies completed during Phase 2. The technical studies provided the foundation for the models developed in Part Three, and are reproduced in their entirety in electronic form in the Appendices.

• 3.0 PART TWO OVERVIEW
• 4.0 BASIC TECHNICAL CONCEPTS
• 5.0 DEVELOPMENT OF CLIMATE DATA SETS
• 6.0 WATER MANAGEMENT AND USE (798Kb PDF)
• 7.0 GROUNDWATERWater existing below the ground surface in aquifers RESOURCES (921Kb PDF)
• 8.0 LAKE EVAPORATIONThe process by which water changes from a liquid to atmospheric water vapour - an essential part of the water cycle. (13Kb PDF)
• 9.0 SURFACE WATERWater that flows in streams and rivers, and exists in natural lakes, wetlands, and in reservoirsArtificial lakes used to store water RESOURCES (20Kb PDF)
• 10.0 INSTREAM FLOWWater flowing in a stream NEEDSThe flow of water in a natural watercourse required to support and sustain fish and other aquaticWith reference to water dependent species FOR THE OKANAGAN (20Kb PDF)
• 11.0 OKANAGAN WATER DATABASE
  • See the Okanagan Water Database (Registered users only, account required)
• 12.0 OKANAGAN WATER INFORMATION REFERENCE LIBRARY
  • See the searchable OBWRID Water Science Library in the right-side column of this webpage

PART THREE – MODELS (468Kb PDF)
See webpages under “Models”. Summarizes the three models developed during Phase 2: the Okanagan Water DemandWater useVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. determined using an estimation approach, such as a model Model (OWDM), the Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. HydrologyThe science dealing with the properties, distribution, and circulation of water Model (OBHM), and the Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. Water Accounting Model (OBWAM).

• 13.0 HOW OKANAGAN WATER CYCLES ARE SIMULATED
• 14.0 OKANAGAN WATER DEMANDWater useVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. determined using an estimation approach, such as a model MODEL
• 15.0 OKANAGAN BASINLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. HYDROLOGYThe science dealing with the properties, distribution, and circulation of water MODEL
• 16.0 OKANAGAN BASINLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. WATER ACCOUNTING MODEL

PART FOUR – SCENARIOS (555Kb PDF)
See webpages under “Scenarios” and “Implications for the Future”. Describes the outcomes of the 15 Phase 2 scenarios.

• 17.0 SCENARIO SELECTION
• 18.0 SCENARIO RESULTS

PART FIVE – KEY FINDINGS AND RECOMMENDATIONS (55Kb PDF)
See webpages under “Key Findings”. Lists the major findings and recommendations of Phase 2, and recommends next steps for subsequent phases of the Water Supply and Demand project.

• 19.0 KEY FINDINGS (55Kb PDF)
• 20.0 RECOMMENDATIONS (55Kb PDF)
• 21.0 GLOSSARY
• 22.0 ACRONYMS
• 23.0 REFERENCES

APPENDICES

• Appendix A User Needs Assessment Report (1.8Mb PDF)
• Appendix B Spatial Layers, Water BalanceThe flow of water in and out of a system. Terms, and Water BalanceThe flow of water in and out of a system. Equations Report (155Kb PDF)
• Appendix C Okanagan Water Management and Use Report
• Appendix D Okanagan GroundwaterWater existing below the ground surface in aquifers State of the BasinLand area from which water drains towards a common point Report
• Appendix E Okanagan Conceptual GroundwaterWater existing below the ground surface in aquifers Model Report
• Appendix F
  • F1:  Lake EvaporationThe process by which water changes from a liquid to atmospheric water vapour - an essential part of the water cycle. Summary Report (254Kb PDF)
  • F2:  Assessment of the Capability to Compute EvaporationThe process by which water changes from a liquid to atmospheric water vapour - an essential part of the water cycle. using the Existing Database (1.5Mb PDF)
• Appendix G Okanagan HydrologyThe science dealing with the properties, distribution, and circulation of water State of the BasinLand area from which water drains towards a common point Report
• Appendix H Okanagan Instream FlowWater flowing in a stream NeedsThe flow of water in a natural watercourse required to support and sustain fish and other aquaticWith reference to water dependent species Assessment Report (9.4Mb PDF)
• Appendix I
  • I1:  Okanagan Water DemandWater useVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. determined using an estimation approach, such as a model Model Summary Report (1.5Mb PDF)
  • I2:  Irrigation Water DemandWater useVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. determined using an estimation approach, such as a model Model – Technical Description (1.1Mb PDF)
  • I3:  Residential, Industrial, Commercial, and Institutional Water UseVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. Report (166Kb PDF)
• Appendix J Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. Water Accounting Model (18.3Mb PDF)
• Appendix K Okanagan Water Database System Documentation
  • Refer to the Okanagan Water Database (Registered users only, account required)
• Appendix LLitre. There are 1,000 L in a cubic metre, and 1,000,000 L in a cubic decameter (dam3). 1,000,000 L = 1 ML Okanagan Water Information Reference Library Database Files
  • Refer to the OBWRID Water Science Library
• Appendix M Study Team and Funding Partners
  • See Project Partners
• Appendix N Development of Climate Datasets (715Kb PDF)
• Appendix O Okanagan Water DemandWater useVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. determined using an estimation approach, such as a model Scenario Modeling Report (130 Kb)

ATTACHMENTS

• Map 1 – Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. Surface WaterWater that flows in streams and rivers, and exists in natural lakes, wetlands, and in reservoirsArtificial lakes used to store water Sub-basins (8Mb PDF)
• Map 2 – Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. GroundwaterWater existing below the ground surface in aquifers Aquifers (1Mb PDF)
• Map 3 – Water UseVolume or rate of water diverted or withdrawn from a water body (eg a stream, lake, or groundwaterWater existing below the ground surface in aquifers aquiferAn underground formation that stores groundwater) for use by humans on the land surface. Actual water use is determined through direct measurement. Water demand is an estimate of actual water use. Areas in the Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. (8.7Mb PDF)
• Map 4 – Hydrometric NetworkA network of stations that measure water level and streamflow in the Okanagan BasinLand area from which water drains towards a common pointThe Okanagan watershedLand area from which water drains towards a common point, or basinLand area from which water drains towards a common point, is a narrow strip that spans from Armstrong, British Columbia, Canada to the US border and includes five main lakes – Okanagan, Kalamalka-Wood, Skaha, Vaseux and Osoyoos – and surrounding mountains. The Okanagan BasinLand area from which water drains towards a common point includes all the land that feeds water to our big lakes, and is almost 200 km in length and 8,000 km2 in area. Kelowna, Vernon, Penticton and Osoyoos all lie within the Okanagan BasinLand area from which water drains towards a common point. (1.8Mb PDF)
• Map 5 – Aquifers at Risk in the Okanagan (509Kb PDF)

Phase 1 – Overview:
In 2005, the first phase of the project identified what data and information were available.

• Phase 1 – Literature and Data Review (1.3Mb PDF)