Water Resources

Coliban System (Southern) data is updated Monday to Friday. The Lake Eppalock (Coliban Water share) data is updated every Tuesday.

Last updated: Tuesday, 27 September 2016

 

Summary

Below is a summary of rainfall, inflows and storage volumes for our Coliban System (Southern) three major catchment storage. Rainfall is recorded at Malmsbury Reservoir.

 

To Rainfall Inflow Volume
Day YTD* Day YTD*
millimetres millimetres megalitres megalitres megalitres % full
This morning 8.0 339.0 358 64,662 69,714 100.2%
Yesterday morning 0.0 331.0 303 64,297 69,705 100.2%
 
This time last year** 60% 136.0 94.6% 3,494 44,573 64%
Last 20 year median** 38% 210.0 72.4% 17,847 36.1%

 

* Year To Date since 1 July 2016
**Percentages are current against same time last year / last 20 year median


Our storage volumes

Below is a summary of storage levels and rainfall for our three major catchment storages near Kyneton. These storages are required to supply the townships and areas of Castlemaine and Kyneton, and to supplement supply to Bendigo.

 

Storage Capacity at full supply Current volume Volume same time last year
megalitres
megalitres
% full
megalitres
% full
Upper Coliban 37,770 38,089 100.8% 22,926 60.7%
Lauriston 19,790 19,010 96.1% 16,350 82.6%
Malmsbury 12,034 12,615 104.8% 5,293 44%
TOTAL 69,594 69,714 100.2% 44,569 64%

 

Below is a summary of the storage level and rainfall for our share of Lake Eppalock. We have an 18% capacity share of total volume and inflows.

 

Storage Capacity at full supply Current volume Volume same time last year
megalitres
megalitres
% full
megalitres
% full
Lake Eppalock
- Coliban Share
54,837 54,837 100% 30,859 56.3%

 

 

Last 10 days - storage volume

Below is a 10 day summary of storage levels for our three major catchment storages near Kyneton. These storages are required to supply the townships and areas of Castlemaine and Kyneton, and to supplement supply to Bendigo.

 

Date Current volume Volume change
megalitres % full megalitres % full
Sunday, 18 September 2016 70,041 100.6% -60 -0.1%
Monday, 19 September 2016 69,941 100.5% -100 -0.1%
Tuesday, 20 September 2016 69,786 100.3% -156 -0.2%
Wednesday, 21 September 2016 69,553 99.9% -233 -0.3%
Thursday, 22 September 2016 69,490 99.8% -63 -0.1%
Friday, 23 September 2016 69,490 99.8% 0%
Saturday, 24 September 2016 69,516 99.9% 26 0%
Sunday, 25 September 2016 69,629 100.1% 114 0.2%
Monday, 26 September 2016 69,705 100.2% 75 0.1%
Tuesday, 27 September 2016 69,714 100.2% 10 0%
10 day total -386 -0.6%

 

 

Last 10 days - rainfall and inflows

Below is a 10 day summary of rainfall and inflows for our three major catchment storages near Kyneton.

 

Date Malmsbury
rainfall
(mm)
Inflow from water balance calculation
Inflow Year to date Inflow *
megalitres megalitres
Sunday, 18 September 2016 1.0 734 62,089
Monday, 19 September 2016 1.0 190 62,409
Tuesday, 20 September 2016 0.0 312 62,635
Wednesday, 21 September 2016 1.0 291 62,961
Thursday, 22 September 2016 0.0 254 63,172
Friday, 23 September 2016 1.0 251 63,389
Saturday, 24 September 2016 0.0 209 63,589
Sunday, 25 September 2016 6.0 259 63,947
Monday, 26 September 2016 0.0 303 64,297
Tuesday, 27 September 2016 8.0 358 64,662
10 Day Total 17.0 3160

* Since 1 July 2016

 

Last 10 days - Lauriston and Malmsbury releases (Coliban Main Channel and Coliban River)

Below is a 10 day summary of discharges from Lauriston Reservoir and Malmsbury Reservoir to the Coliban River and Coliban Main Channel. Discharges from Lauriston Reservoir flow downstream and are recaptured in Malmsbury Reservoir. Coliban River discharges may be passing flows as required under our Bulk Entitlement, Environmental Reserve Discharges (as directed by the North Central Catchment Management Authority) or reservoir spills. Coliban Main Channel discharges are to supply Castlemaine, Coliban Rural System (Southern) and supplement supply to Coliban System Northern (Bendigo).

 

Date Lauriston Reservoir Malmsbury Reservoir
Main Channel
Coliban River*
Total**
(ML/day) (ML/day)
(ML/day)
(ML/day)
Sunday, 18 September 2016 420 429 429
Monday, 19 September 2016 644 413 413
Tuesday, 20 September 2016 445 370 370
Wednesday, 21 September 2016 192 548 548
Thursday, 22 September 2016 134 261 261
Friday, 23 September 2016 74 32 171 203
Saturday, 24 September 2016 140 32 131 163
Sunday, 25 September 2016 497 27 196 223
Monday, 26 September 2016 262 32 222 254
Tuesday, 27 September 2016 436 32 304 336
10 day total 3,244 155 3,045 3,200
Year to date 25,054 421 26,147 26,568

 

* Includes spills, environmental releases, passing flows and other operationally required discharges.

** Total Malmsbury Reservoir release only (Main Channel and Coliban River)

If you have any suggestions or requests regarding this page we'd love to hear them.
Please email communications@coliban.com.au

 

 

Home | Privacy Statement | Disclaimer | Conditions | Site Map | Contact Us | Feedback |   Copyright © 2008-2010 Coliban Water