Water supply and dam level statistics

Perseverance Dam
39.2%
 
 

The table below provides weekly data for each of the three storage dams, and water consumption figures in litres/person/day for the past week when compared to the same time last year (for Toowoomba residents only).

 

Weekly water supply statistics

1. Water supply from 9/01/2019 to 15/01/2019    

 

Wed

Thu

Fri

Sat

Sun

Mon

Tue

Week

Last 7 days:

9/01/2019

10/01/2019

11/01/2019

12/01/2019

13/01/2019

14/01/2019

15/01/2019

Total

Cressbrook Dam        
Production (ML) 17.4 18.4 18.0 17.8 34.9 41.7 24.1 172.4
Rainfall (mm) 0.0 0.4 0.0 0.0 0.0 0.0 0.0 0.4
Evaporation (mm) 4.6 4.2 5.2 9.6 7.6 9.0 8.8 49.0
Current Storage (ML) 33,847 33,783 33,752 33,689 33,626 33,219 33,469  
Usable Storage (%) 42.9 42.8 42.8 42.7 42.6 42.1 42.4  
Perseverance Dam        
Production (ML) 11.2 12.3 12.3 9.9 0.0 3.8 3.4 52.7
Rainfall (mm) 0.8 0.4 0.0 0.0 0.0 0.0 0.0 1.2
Evaporation (mm) 2.4 2.4 3.8 4.8 7.6 7.2 5.8 34.0
Current Storage (ML) 8,472 8,461 8,450 8,440 8,429 8,418 8,407  
Usable Storage (%) 31.5 31.5 31.4 31.4 31.3 31.3 31.3  
Cooby Dam        
Production (ML) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Rainfall (mm) 1.0 0.2 0.0 0.0 0.0 0.0 0.0 1.2
Evaporation (mm) 2.6 2.8 5.8 7.4 8.0 8.1 8.0 42.7
Current Storage (ML) 7,274 7,274 7,257 7,257 7,241 7,241 7,241  
Usable Storage (%) 36.9 36.9 36.8 36.8 36.8 36.8 36.8  
Total Dam Storage        
Current Storage (ML) 49,592 49,518 49,460 49,386 49,296 48,878 49,118  
Usable Storage (%) 39.5% 39.5% 39.4% 39.4% 39.3% 39.0% 39.2%  
Water Treatment        
Mt Kynoch WTP (ML) 29.1 32.6 34.2 33.0 40.3 47.3 37.9 254.4
Bores (ML) 5.2 5.5 4.9 5.2 6.7 5.8 5.4 38.9

2. Water consumption this year       

 

Tue

Wed

Thu

Fri

Sat

Sun

Mon

Week

Last 7 days:

8/01/2019

9/01/2019

10/01/2019

11/01/2019

12/01/2019

13/01/2019

14/01/2019

average

Toowoomba (ML/d) 24.1 31.6 32.5 31.6 43.9 43.3 28.7 33.7
Treated Water (ML/d) 31.8 39.4 40.6 40.0 52.3 52.9 38.1 42.2
Treated water (L/p/d) 223 277 285 281 367 372 268 296
Residential  (L/p/d)               193
Bulk Water (ML/d) 31.8 39.4 40.6 40.0 52.3 52.9 38.1 42.2
Other Shires (ML/d) 7.6 7.8 8.1 8.4 8.4 9.6 9.4 8.5

3. Water consumption same time last year      

 

Tue

Wed

Thu

Fri

Sat

Sun

Mon

Week

Last 7 days:

9/01/2018

10/01/2018

11/01/2018

12/01/2018

13/01/2018

14/01/2018

15/01/2018

average

Toowoomba (ML/d) 50.4 37.2 37.2 33.1 26.9 26.9 43.9 36.5
Treated Water (ML/d) 58.3 45.1 48.8 42.4 57.1 36.2 52.8 48.7
Treated water (L/p/d) 410 317 343 298 401 254 371 342
Residential  (L/p/d)               178
Bulk Water (ML/d) 58.3 45.1 45.8 42.4 35.2 36.2 52.8 45.1
Other Shires (ML/d) 7.9 8.0 8.6 9.3 8.3 9.3 8.9 8.6
                 
Note: 1. Dams storage figures are as at 9.00 am on the day shown.    
  2. Water consumption figures are for the 24 hr period commencing at 9.00 am on the day shown.
  3. Usable storage % reflects volume available for supply, not the % of the current volume

 

 

Daily water usage figures 

Dam levels comparison

 

Permanent Conservation Measures

Permanent Conservation Measures

from 9:00am  14 Jan 2019

to 9:00am  Tue Jan 15 2019

to 9:00am  Mon Jan 15 2018

Evaporation    

Cooby 6.1  mm 10.2  mm
Perseverance 4.9  mm 9.4  mm
Cressbrook 7.0  mm 10.0  mm
Dam Levels Usable Storage Total Storage Usable storage Total Storage
Cooby 36.8  % 7,241  ML 49.1  % 9,670  ML
Perseverance 31.3  % 8,407  ML 41.8  % 11,251  ML
Cressbrook 42.4  % 33,469  ML 58.9  % 46,425  ML
Combined 39.2% 49,118  ML 53.7% 67,346  ML
Rainfall in the Catchments - previous 7 days    
Cooby 1.2  mm 0.0  mm
Perseverance 1.2  mm 0.0  mm
Cressbrook 0.4  mm 0.0  mm
Total Usage of treated water 42.2  ML 48.7  ML
Rolling 7 day residential usage average (Toowoomba City residents only)
  193  L/p/d 230  L/p/d
         
Note: 1. Usable storage % reflects volume available for supply, not the % of the total storage

 

Recent dam level readings

Date Cooby Dam Cressbrook Dam Perseverance Dam
15 January 2019 7,241ML 33,469ML 8,407ML
11 January 2019 7,257ML 33,752ML 8,450ML
10 January 2019 7,274ML 33,783ML 8,461ML
9 January 2019 7,272ML 33,847ML 8,472ML
8 January 2019 7,306ML 33,910ML 8,493ML
7 January 2019 7,306ML 33,973ML 8,504ML
6 January 2019 7,306ML 34,068ML 8,526ML
5 January 2019 7,338ML 34,131ML 8,526ML
4 January 2019 7,338ML 34,195ML 8,547ML
3 January 2019 7,338ML 34,258ML 8,569ML
2 January 2019 7,338ML 34,322ML 8,591ML
1 January 2019 7,371ML 34,354ML 8,612ML

 

Last Updated: Tuesday, 15 January 2019 16:02
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