TABLE OF CONTENTS 



Highlights for 2001 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 East Poplar River 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 Water Quality 9 



3.2.5.1 Total Dissolved Solids 10 



3.2.5.2 Boron 14 



3.2.5.3 Other Water-Quality Variables 17 



3.3 Groundwater 19 



3.3.1 Operations 19 



3.3.2 Ground- Water Monitoring 21 



3.3.2.1 Saskatchewan 21 



3.3.2.2 Montana 25 



3.3.3 Ground-Water Quality 27 



3.3.3.1 Saskatchewan 27 



3.3.3.2 Montana 31 



3.4 Cookson Reservoir 32 



3.4.1 Storage 32 



3.4.2 Water Quality 34 



3.5 Air Quality 34 



3.6 Quality Control 34 



3.6.1 Streamflow 34 



3.6.2 Water Quality 35 



ANNEXES 



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



2.0 Poplar River Cooperative Monitoring Arrangement, Technical 



Monitoring Schedules, 2001, Canada-United States A2 



3.0 Recommended Flow Apportionment in the Poplar River Basin A3 



4.0 Metric Conversion Factors A4 



