Stormwater Quality Review to Evaluate Treatment for Drinking Water Supply via Managed Aquifer Recharge

To date, there is no compiled information for stormwater quality data intended for drinking water supply via managed aquifer recharge (MAR) making risk assessment of these schemes difficult. This study compiles hazards relevant to water recycling via MAR and calculates the associated 95th percentile...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2016-09, Vol.227 (9), p.1, Article 322
Main Authors: Page, D., Vanderzalm, J., Dillon, P., Gonzalez, D., Barry, K.
Format: Article
Language:English
Subjects:
Analysis
Aquifer management
Aquifers
Atmospheric Protection/Air Quality Control/Air Pollution
Climate Change/Climate Change Impacts
Climatic zones
Drinking water
Earth and Environmental Science
Electric properties
Electrical conductivity
Environment
Environmental monitoring
Fecal coliforms
Groundwater recharge
Hydrogeology
Organic chemicals
Pathogens
Public health
Risk assessment
Salinity
Soil Science & Conservation
Stormwater
Stormwater quality
Studies
Trends
Turbidity
Urban areas
Water quality
Water Quality/Water Pollution
Water reuse
Water supply
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Summary:To date, there is no compiled information for stormwater quality data intended for drinking water supply via managed aquifer recharge (MAR) making risk assessment of these schemes difficult. This study compiles hazards relevant to water recycling via MAR and calculates the associated 95th percentile values. The 95th percentiles of iron, turbidity, colour and faecal indicators exceeded the guideline values at all sites. Likewise, measured hazards for which 95th percentile values met drinking water guidelines (other metals (e.g. zinc), salinity (electrical conductivity) and nutrients including nitrate) did so at all sites. Considering a variety of climatic zones and catchment characteristics and the temporal variations typical in urban stormwater quality, there was a remarkable similarity in the 95th percentile concentrations for a suite of water quality hazards in urban stormwater. This is important in consideration of drinking water risk assessments and determining treatment requirements for potable use.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-016-3021-x