TABLE OF CONTENTS 



Page 



LETTER OF TRANSMITTAL . i 



1984 HIGHLIGHTS iv 



INTRODUCTION 1 



POPLAR RIVER POWER STATION 4 



Operation 4 



Construction 5 



SURFACE WATER QUANTITY 7 



Streamflow 7 



Minimum Flows 7 



Reservoir Storage 9 



On-Demand Release 9 



SURFACE WATER QUALITY 10 



Data Compatibility 10 



Flow-Weighted Concentrations for Comparison 



to the IJC Objectives 11 



East Poplar River at the International Boundary 12 



Total Dissolved Solids 12 



Boron 14 



Other Water Quality Characteristics 16 



Cookson Reservoir 18 



GROUND WATER QUANTITY 19 



Saskatchewan 19 



Pumpage from Coal Seam Dewatering Wells 19 



Discharges 19 



Water Levels 20 



Montana 20 



GROUND WATER QUALITY 23 



Saskatchewan 23 



Water Quality in the Tills 23 



Water Quality in the Empress Gravels 25 



Montana 26 



ASH LAGOON QUALITY AND QUANTITY 28 



AIR QUALITY. 31 



Saskatchewan 31 



Montana 33 



Table 1 - 1984 Operating Statistics for Generating Units No. 1 



and No. 2 4 



Table 2 - Reservoir Storage Statistics for 1984 9 



