Microbiological risks of recycling urban stormwater via aquifers for various uses in Adelaide, Australia
2015
Page, D. | Gonzalez, D. | Torkzaban, S. | Toze, S. | Sidhu, J. | Miotliński, K. | Barry, K. | Dillon, P.
This study investigates the potential for an aquifer to provide treatment of stormwater in addition to engineered treatment for the safe use of recovered water for drinking and non-drinking supplies. A brackish limestone aquifer was investigated as a treatment barrier when assessing microbial health-based targets of stormwater harvesting systems. Aquifer treatment was assessed based on pathogen inactivation and attachment to the aquifer sediments. The results showed that the health-based targets for different end uses including open space irrigation, domestic and industrial non-potable uses and drinking water could be met with additional treatment. The aquifer was estimated to have potential for ~4 log₁₀removal based on inactivation studies and attachment to the aquifer.
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