February 2020 The Coliban System Northern supplies the towns of Bendigo, Axedale, Huntly, Raywood, Sebastian, Heathcote and Tooborac. The towns can be supplied by the major Coliban Water storages, an 18 per cent share of Lake Eppalock, or the Waranga Western Channel via the Available raw water supply Goldfields Superpipe. Lake Eppalock Total available Available allocation1 Our storages2 (our share) (Megalitres) Water Summaries are prepared each month to provide current water 27,486 ML 32,878 ML 2,527 ML 62,892 ML resource information. 1 Our Urban Water Strategy outlines Allocation against Coliban Water’s water shares and carryover from previous year, less water spilt or held in spillable water account. Includes seasonal allocation water sold and transfers into and out of this system our water supply initiatives to meet 2 Sandhurst and Caledonia storages. Includes a portion of water available from the major Coliban Water our region’s residential, business and storages reported in the Coliban System Southern Summary. community water needs for the next 50 years. The graph below shows the raw water 12-month supply and demand outlook for the Our nine supply systems have Coliban System Northern. independent sources of water and supply constraints. Please ensure you read the update relevant to your town. To ensure we are providing information that is relevant and useful, send your suggestions and feedback to our postal address: 37- 45 Bridge Street, Bendigo 3550 or e-mail to: [email protected] Further system information > Lake Eppalock Allocation trade & Superpipe pumping We can access up to 17,440 ML per year averaged over three years from our share Trade Trade Pumping Pumping 3 3 4 4 of Lake Eppalock. for month to date for month to date > Water shares volume 0 ML 7,100 ML 1220 ML 2,600 ML Goulburn – 22,774 ML HRWS ML = Megalitres Goulburn – 2,85 7 ML LRWS 3 Seasonal allocation water sold during month, year or transferred to a trading account. Includes Campaspe - 2,591 ML HRWS transfers into and out of this system. 4 Campaspe – 646 ML LRWS Transferred from the Waranga Western Channel or Lake Eppalock to Sandhurst Reservoir. Excludes pumping to Heathcote. > Water shares allocation Goulburn – 16,170 ML Demand comparison 71% high reliability 0% low reliability The graph below shows 2019-20 cumulative water usage for the Coliban System Campaspe – 1,840 ML Northern compared with the same period last year and estimated demand. The 71% high reliability usage and demand include urban, rural and losses. 0% low reliability > Allocation trade Seasonal allocation against bulk entitlements and water shares can be traded on the water market into and out of this system. Transfers may cause sudden changes in available water from month to month. In average years the total allocation is not required to meet demand. > Spillable Water Account Restrictions apply to the holding of allocation in excess of 100% of the entitlement volume. The Resource Manager (Goulburn-Murray Water) may allow this water to be held in a ‘spillable water account’ until such time as it is either spilt, or credited to an Monthly usage by towns allocation account. A low risk of spill was declared in the The graphs below show this month’s water usage for the Coliban System Northern and Goulburn and Campaspe Systems on each town supplied by this system, compared with the same period last year. 1 July 2019. > Rural allocation The 2019/20 rural season opened with 100 per cent allocation. > Water restriction outlook Permanent Water Saving Rules (PWSR) currently apply. The restriction levels are reviewed monthly based on inflows into storages and seasonal allocations. Information in this update is provided as a guide only. Coliban Water reserves the right to alter or change information 12/03/2020 February 2020 The Coliban System Southern supplies the towns of Castlemaine, Kyneton, Maldon, Newstead, Malmsbury, Harcourt, Elphinstone, Tylden and Taradale. Raw water is supplied by our Coliban River catchment storages: Upper Coliban, Lauriston and Malmsbury Reservoirs, located near Kyneton. Available raw water supply Environmental Holding basins Total available Water Summaries are prepared each Our storages1 (McCay and Reserve2 (Megalitres) month to provide current water Barkers Creek) resource information. 49,432 ML 1,246 ML 688 ML 48,874 ML Our Urban Water Strategy outlines our 1. Our storages can also supply Coliban System Northern. water supply initiatives to meet our 2. Stored in Malmsbury Reservoir and only available to meet environmental obligations. region’s residential, business and community water needs for the next The graph below shows the raw water 12-month supply and demand outlook for the 50 years. Coliban System Southern. Our nine supply systems have independent sources of water and supply constraints. Please ensure you read the update relevant to your town. To ensure we are providing information that is relevant and useful, send your suggestions and feedback to our postal address: 37- 45 Bridge Street, Bendigo 3550 or e-mail to: [email protected] Further system information Demand comparison > Rainfall The graph below shows 2019-20 cumulative water usage for the Coliban System Southern compared with the same period last year and estimated demand. The 62 millimetres of rainfall was recorded at Malmsbury Reservoir usage and demand include urban, rural and losses. during February 2020. > Rural allocation The 2019/20 rural season opened with 100 per cent allocation. > Water restriction outlook Permanent Water Saving Rules (PWSR) currently apply. The restriction levels are reviewed monthly based on inflows into storages and seasonal allocations. Monthly usage by town The graphs below show this month’s water usage for the Coliban System Southern and the towns supplied by this system, compared with the same period last year. Coliban catchment inflows The graphs below show this month’s inflows for our three major catchment storages near Kyneton, compared with the same period last year and 2019-20 cumulative inflows compared to the cumulative median inflow. The median inflow value represents the mid-point of inflow values from 1975 to 2017. Information in this update is provided as a guide only. Coliban Water reserves the right to alter or change information. 12/03/2020 February 2020 The Campaspe System only supplies the town of Goornong (it formerly supplied the towns of Axedale and Rochester). Raw water is supplied from the Campaspe River. Goulburn-Murray Water manages the raw water supply. Available raw water supply Total Carryover Allocation Allocation Spillable Usage Water Summaries are prepared each Available last year to date Trade2 water1 to date month to provide current water (Megalitres) resource information. 135 ML 248 ML 0 ML 0 ML 74 ML 309 ML Our Urban Water Strategy outlines our water supply initiatives to meet 1 Water spilt and held in the spillable water account. There is a risk of spill of water in excess of our our region’s residential, business and entitlement volume. 2 Seasonal allocation water sold during month, year or transferred to a trading account. Includes transfers community water needs for the next into and out of this system. 50 years. The graph below shows the raw water 12-month supply and demand outlook for the Our nine supply systems have Campaspe System. independent sources of water and supply constraints. Please ensure you read the update relevant to your town. To ensure we are providing information that is relevant and useful, send your suggestions and feedback to our postal address: 37- 45 Bridge Street, Bendigo 3550 or e-mail to: [email protected] Further system information Demand comparison > Bulk entitlement volume The graph below shows 2019-20 cumulative water usage for the Campaspe – 349 ML System compared with the same period last year and estimated demand. > Allocation volume - 71% - 248 ML > Allocation trade Seasonal allocation against bulk entitlements and water shares can be traded on the water market into and out of this system. In average years the total allocation is not required to meet demand. > Spillable Water Account Restrictions apply to the holding of allocation in excess of 100% of the entitlement volume. The external Resource Manager (Goulburn-Murray Water) may allow this water to be held in a ‘spillable water account’ until such time as it is either spilt, or credited to an Monthly usage by town allocation account. The graph below show this month’s water usage for Goornong compared with the A low risk of spill was declared in the same period last year. Campaspe System on 1 July 2019. > Water restriction outlook Permanent Water Saving Rules (PWSR) currently apply. The restriction levels are based on seasonal allocations and are reviewed monthly. Information in this update is provided as a guide only. Coliban Water reserves the right to alter or change information. 12/03/2020 February 2020 The Goulburn System supplies the towns of Rochester, Pyramid Hill, Boort, Lockington, Mitiamo, Serpentine, Dingee, Jarklin, Mysia and Macorna. Raw water is supplied from the Waranga Western Channel. Goulburn-Murray Water manages the raw water supply. Available raw water supply Total Water Summaries are prepared each Carryover Allocation Allocation Spillable Usage available month to provide current water last year to date trade water1 to date (Megalitres) resource information. Our Urban Water Strategy outlines 1,367 ML 2,463 ML 0 ML 0 ML 826 ML 3,004 ML our water supply initiatives to meet 1 Water spilt and held in the spillable water account. 2 our region’s residential, business and Seasonal Allocation water sold during month, year or transferred to a trading account. community water needs for the next 50 years. The graph below shows the raw water 12 month supply and demand outlook for the Goulburn System.