29 



Table 3.4 Cookson Reservoir Storage Statistics for 1 994 



The Poplar River Power Station is dependent on water from Cookson Reservoir for cooling. Power 

 plant operation Is adversely affected when reservoir levels drop below 749.0 metres. The dead- 

 storage level for cooling water used in the generation process is 745.0 metres. The 1994 recorded 

 levels and associated operating levels are shown in Figure 3.13. As indicated in Figure 3.13, 1994 

 reservoir levels were slightly below the ten-year median levels. 



1994 Cookson Reservoir 



Daily Mean Water Levels 



Contants in 

 CuMc DscammtUrs 



Full Supply Level 



1994 Recorded 



Minimum Desired Operating Level 



Minimum Usable Storage Level 



Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 



Figure 3.13 Cookson Reservoir Mean Daily Water Levels for 1994 and Median 

 Monthly Water Levels for 1981-1991. 



