Coliban System (Southern) and Lake Eppalock (Coliban Water share) tables are updated Monday to Friday; catchment storages and holding basins table updated every Tuesday.
Last updated: Thursday 23 February 2012
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 |
0.0 |
403 |
0 |
28,051 |
58,414 |
83.9% |
| Yesterday Morning |
0.0 |
403 |
0 |
28,055 |
58,528 |
84.1% |
| |
| This Time Last Year** |
37% |
1,099 |
25% |
113,356 |
69,551 |
99.9% |
| Long term Average** |
85% |
471 |
51% |
54,505 |
84% |
|
* Year To Date since 1 July 2011
**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 |
36,547 |
96.8% |
37,691 |
99.8% |
| Lauriston |
19,790 |
17,860 |
90.2% |
19,730 |
99.7% |
| Malmsbury |
12,034 |
4,007 |
33.3% |
12,130 |
100.8% |
| TOTAL |
69,594 |
58,414 |
83.9% |
69,551 |
99.9% |
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 |
52,158 |
95.1% |
69,551 |
99.9% |
| TOTAL |
54,837 |
52,158 |
83.9% |
69,551 |
99.9% |
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.
| Day / Date |
Current Volume |
Volume Change |
| megalitres |
% full |
megalitres |
% full |
| 14/02/2012 Tue |
59,330 |
85.3% |
-128 |
-0.2% |
| 15/02/2012 Wed |
59,211 |
85.1% |
-119 |
-0.2% |
| 16/02/2012 Thu |
59,061 |
84.9% |
-150 |
-0.2% |
| 17/02/2012 Fri |
59,085 |
84.9% |
24 |
0.0% |
| 18/02/2012 Sat |
58,940 |
84.7% |
-145 |
-0.2% |
| 19/02/2012 Sun |
58,839 |
84.5% |
-101 |
-0.1% |
| 20/02/2012 Mon |
58,772 |
84.5% |
-67 |
-0.1% |
| 21/02/2012 Tue |
58,666 |
84.3% |
-106 |
-0.2% |
| 22/02/2012 Wed |
58,528 |
84.1% |
-138 |
-0.2% |
| 23/02/2012 Thu |
58,414 |
83.9% |
-114 |
-0.2% |
| 10 Day Total = |
|
|
-1,044 |
-1.5% |
Last 10 Days - Rainfall and Inflows
Below is a 10-day summary of rainfall and inflows for our three major catchment storages near Kyneton.
| Day / Date |
Malmsbury
Rainfall (mm) |
Inflow from Water Balance Calculation |
| Inflow |
Year to Date Inflow * |
| megalitres |
megalitres |
| 14/02/2012 Tue |
0.0 |
0 |
27,984 |
| 15/02/2012 Wed |
0.0 |
0 |
27,991 |
| 16/02/2012 Thu |
0.0 |
0 |
27,967 |
| 17/02/2012 Fri |
9.0 |
38 |
28,098 |
| 18/02/2012 Sat |
0.0 |
23 |
28,061 |
| 19/02/2012 Sun |
0.0 |
35 |
28,073 |
| 20/02/2012 Mon |
0.6 |
1 |
28,101 |
| 21/02/2012 Tue |
0.0 |
9 |
28,089 |
| 22/02/2012 Wed |
0.0 |
0 |
28,055 |
| 23/02/2012 Thu |
0.0 |
0 |
28,051 |
| 10 Day Total = |
9.6 |
107 |
|
| 10 Day Average = |
1.0 |
10.7 |
|
* Since 1 July 2011
Last 10 Days - Malmsbury Release
(Coliban River and Coliban Main Channel)
Below is a 10-day summary of discharges from Malmsbury Reservoir to the Coliban River and Coliban Main Channel. 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).
| Day / Date |
Main Channel |
Coliban River* |
Total |
| (ML/day) |
(ML/day) |
(ML/day) |
| 14/02/2012 Tue |
84 |
3 |
87 |
| 15/02/2012 Wed |
84 |
3 |
87 |
| 16/02/2012 Thu |
84 |
2 |
86 |
| 17/02/2012 Fri |
69 |
2 |
71 |
| 18/02/2012 Sat |
72 |
9 |
80 |
| 19/02/2012 Sun |
72 |
2 |
74 |
| 20/02/2012 Mon |
72 |
2 |
74 |
| 21/02/2012 Tue |
72 |
2 |
75 |
| 22/02/2012 Wed |
72 |
2 |
74 |
| 23/02/2012 Thu |
72 |
3 |
75 |
| 10 Day Total = |
751 |
31 |
782 |
| 10 Day Average = |
75 |
3 |
78 |
| Year to date = |
10,610 |
20,947 |
31,557 |
* Includes spills, environmental releases, passing flows and other operationally required discharges.
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