TABLE OF CONTENTS 



Highlights for 2003 iii 



1.0 Introduction 1 



2.0 Committee Activities 2 



2.1 Membership 2 



2.2 Meetings : 2 



2.3 Review of Water-Quality Objectives 3 



2.4 Data Exchange 4 



3.0 Water and Air: Monitoring and Interpretations 6 



3.1 Poplar River Power Station Operation 6 



3.2 Surface Water 6 



3.2.1 Streamflow 6 



3.2.2 Apportionment 7 



3.2.3 Minimum Flows 7 



3.2.4 On-Demand Release 8 



3.2.5 Surface- Water Quality 9 



3.2.5.1 Total Dissolved Solids 10 



3.2.5.2 Boron 15 



3.2.5.3 Other Water-Quality Variables 16 



3.3 Groundwater 18 



3.3.1 Operations 18 



3.3.2 Ground- Water Monitoring 20 



3.3.2.1 Saskatchewan 21 



3.3.2.2 Montana 23 



3.3.3 Ground- Water Quality 25 



3.3.3.1 Saskatchewan 25 



3.3.3.2 Montana 29 



3.4 Cookson Reservoir 30 



3.4.1 Storage 30 



3.4.2 Water Quality 32 



3.5 Air Quality 32 



3.6 Quality Control 32 



3.6.1 Streamflow 32 



3.6.2 Water Quality 33 



ANNEXES 



1 .0 Poplar River Cooperative Monitoring Arrangement, Canada-United States Al 



2.0 Poplar River Cooperative Monitoring Arrangement, Technical 



Monitoring Schedules, 2004, Canada-United States A2 



3.0 Recommended Flow Apportionment in the Poplar River Basin A3 



4.0 Conversion Factors A4 



