Stormwater harvesting and reuse scheme for a major water user in urban Sydney.
The Blacktown International Sportspark Sydney (the Sportspark) is an elite international sporting facility, attracting 750,000 visitors per year, which requires substantial volumes of water for irrigation. The Angus Creek stormwater harvesting and reuse scheme (the scheme) extracts excess stormwater flows from Angus Creek and harvests stormwater runoff from the Sportspark’s hard surfaces to irrigate the Sportspark and neighbouring reserves. This supplies up to 200ML of fit-for-purpose water per year. The scheme incorporates natural treatment processes from storage ponds, floating wetland rafts, a 3,300m2 wetland and mechanical/chemical treatment via screen filters, chlorination and UV disinfection to provide water quality suitable for spray irrigation with no access restrictions.
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Water proofing urban parklands using managed aquifer recharge (MAR).
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The first facility in Australia attempting to harvest and treat stormwater to a standard acceptable for direct injection into the drinking water system.
The Kalkallo Stormwater Harvesting and Reuse Scheme is the first facility in Australia attempting to harvest and treat stormwater to a standard acceptable for direct injection into the drinking water system. The facility is located in the major green field development of Merrifield, next to the existing township of Kalkallo in Melbourne’s northern development corridor. The facility includes:
The need to understand the impact of urbanisation and changing land use on water and solute mass balances in the groundwater underlying urban areas has been increasingly recognised over the past 25 years. Groundwater resources are now included, for example, as part of integrated urban water management (IUWM). Conceptual models for IUWM have recently included: