32 



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

 operation is not adversely affected until reservoir levels drop below 749.0 metres. The dead storage level 

 for cooling water used in the generation process is 745.0 metres. The 1 999 recorded water levels and 

 associated operating levels are shown in Figure 3.19. 



1999 Cookson Reservoir 

 Daily Mean Water Levels 



Elevation in 

 Meters 



755 



753 



751 



749 



747 



745 



743 



741 



Contents in 

 Cubic Decammeters 



t 



Full Supply Level 



1 999 Recorded 



..^- 



Median Level 



Minimum Desired Operating Level 



Minimum Useable Storage Level 



29400 



19100 



11400 



5860 



2000 



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



Figure 3.19 Cookson Reservoir Mean Daily Water Levels for 1999 



and Median Monthly Water levels 1981-1991 



