r TABLE OF CONTENTS 



j Highlights for 2004 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 14 



3.2.5.3 Other Water-Quality Objectives 17 



3.3 Groundwater 19 



3.3.1 Operations 19 



i 3.3.2 Ground- Water Monitoring 21 



* 3.3.2.1 Saskatchewan 22 



3.3.2.2 Montana 24 



3.3.3 Ground- Water Quality 26 



I 3.3.3.1 Saskatchewan 26 



3.3.3.2 Montana 30 



3.4 Cookson Reservoir 31 



3.4.1 Storage 31 



I 3.4.2 Water Quality 32 



I 3.5 Air Quality 33 



I 3.6 Quality Control 33 



3.6.1 Streamflow 33 



I 3.6.2 Water Quality 33 



\ ANNEXES 



t 1.0 Poplar River Cooperative Monitoring Arrangement, Canada-United States A 1 



I 2.0 Poplar River Cooperative Monitoring Arrangement, Technical 



I Monitoring Schedules, 2005, Canada-United States A2 



J 3.0 Recommended Flow Apportionment in the Poplar River Basin A3 



' 4.0 Conversion Factors A4 



