Water Resources

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

Last updated: Friday, 24 June 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 20.0 528.0 135 7,849 30,273 43.5%
Yesterday morning 1.0 508.0 59 7,606 30,044 43.2%
 
This time last year** 113% 467.0 37.8% 20,770 42,362 60.9%
Long term average** 75% 705.0 13.7% 57,383 71.5%

 

* Year To Date since 1 July 2015
**Percentages are current against same time last year / long-term average


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 14,530 38.5% 20,467 54.2%
Lauriston 19,790 13,080 66.1% 17,460 88.2%
Malmsbury 12,034 2,663 22.1% 4,435 36.9%
TOTAL 69,594 30,273 43.5% 42,362 60.9%

 

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 20,144 36.7% 34,172 62.3%

 

 

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
Wednesday, 15 June 2016 29,730 42.7% 21 0%
Thursday, 16 June 2016 29,720 42.7% -10 0%
Friday, 17 June 2016 29,783 42.8% 62 0.1%
Saturday, 18 June 2016 29,845 42.9% 62 0.1%
Sunday, 19 June 2016 29,866 42.9% 21 0%
Monday, 20 June 2016 29,897 43% 30 0%
Tuesday, 21 June 2016 29,898 43% 1 0%
Wednesday, 22 June 2016 29,992 43.1% 94 0.1%
Thursday, 23 June 2016 30,044 43.2% 53 0.1%
Friday, 24 June 2016 30,273 43.5% 229 0.3%
10 day total 564 0.8%

 

 

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
Wednesday, 15 June 2016 0.0 20 7,218
Thursday, 16 June 2016 0.0 14 7,219
Friday, 17 June 2016 9.0 35 7,291
Friday 30 January 2015 3.0 49 7,364
Sunday, 19 June 2016 0.0 58 7,392
Monday, 20 June 2016 0.0 46 7,430
Tuesday, 21 June 2016 1.0 26 7,442
Wednesday, 22 June 2016 5.0 50 7,543
Thursday, 23 June 2016 1.0 59 7,606
Friday, 24 June 2016 20.0 135 7,849
10 Day Total 40.0 492

* Since 1 July 2015

 

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)
Wednesday, 15 June 2016 16 4 4
Thursday, 16 June 2016 16 5 5
Friday, 17 June 2016 16 5 5
Saturday, 18 June 2016 16 5 5
Sunday, 19 June 2016 16 5 5
Monday, 20 June 2016 16 4 4
Tuesday, 21 June 2016 16 5 5
Wednesday, 22 June 2016 16 5 5
Thursday, 23 June 2016 16 5 5
Friday, 24 June 2016 16 6 6
10 day total 163 46 46
Year to date 14,264 10,222 1,765 11,987

 

* 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