TABLE OF CONTENTS 



Highlights for 1996 iii 



1.0 Introduction 1 



2.0 Committee Activities 2 



2.1 Memberships 2 



2.2 Meetings 2 



2.3 Review of Water-Quality Objectives 3 



2.4 Data Exchange 3 



3.0 Water and Air: Monitoring and Interpretations 5 



3.1 Poplar River Power Station Operation 5 



3.2 East Poplar River 5 



3.2.1 Streamflow 5 



3.2.2 Apportionment 6 



3.2.3 Minimum Flows 6 



3.2.4 On-demand Release 7 



3.2.5 Water-Quality 7 



3.2.5.1 Total Dissolved Solids 8 



3.2.5.2 Boron 12 



3.2.5.3 Other Water-Quality Variables 15 



3.2.5.4 Alterations to the Water-Quality Parameter List 17 



3.3 Ground-Water 18 



3.3.1 Operations 18 



3.3.2 Ground-water Monitoring 19 



3.3.2.1 Saskatchewan 19 



3.3.2.2 Montana 22 



3.3.3 Ground-Water Quality 23 



3.3.3.1 Saskatchewan 23 



3.3.3.2 Montana 28 



3.4 Cookson Reservoir 29 



3.4.1 Storage 29 



3.4.2 Water-Quality 30 



3.5 Air Quality 30 



3.6 Quality Control 31 



3.6.1 Streamflow 31 



3.6.2 Water-Quality 31 



ANNEXES 



1.0 Poplar River Cooperative Monitoring Arrangement, 



Canada-United States Al 



2.0 Poplar River Cooperative Monitoring Arrangement, Technical 



Monitoring Schedules, 1997, Canada-United States A2 



3 . Recommended Flow Apportionment in the Poplar River Basin A3 



4.0 Metric Conversions A4 



1 - 



