3.2 East Poplar River 

 3.2.1 Streamflow 



Streamflow in the Poplar River basin was above normal in 1 994. The March to October recorded 

 flow of the Poplar River at International Boundary, an indicator of natural flow in the basin, was 

 14 500 cubic decametres which was 144 percent of the 1931 to 1990 median seasonal flow. A 

 comparison of 1994 monthly mean discharge with the 1931-90 median discharge is shown in Figure 

 3.1. 



MAR 



MEDIAN OF MONTHLY MEAN DISCHARGE FOR 1931-90 

 MONTHLY MEAN DISCHARGE FOR 1994 



APR 



MAY 



SEP 



OCT 



Figure 3.1 Discharge during 1994 as Compared with the Median Discharge 

 from 1931-1990 for the Poplar River at international Boundary. 



The 1994 recorded flow volume of the East Poplar River at International Boundary was 2 420 dam^. 

 This volume is 76 percent of the median annual flow since the completion of Morrison Dam in 1975. 



