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

Page, Declan; Vanderzalm, Joanne; Dillon, Peter J.; Gonzalez, Dennis; Barry, Karen

doi:10.1007/s11270-016-3021-x

Cited by 23 publications

(17 citation statements)

References 13 publications

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“…Collecting hillslope runoff may require less infrastructure and lower operating costs than diverting from a surface water body, particularly if flows are passively routed using gravity. Moreover, stormwater runoff is naturally distributed throughout a watershed, providing many potential locations for managed recharge on multiple scales (Newcomer et al 2014). In this study, we focus on "distributed stormwater collection" linked to MAR (DSC-MAR), in which hillslope runoff is infiltrated before it reaches a stream (Beganskas and Fisher 2017).…”

Section: Introductionmentioning

confidence: 99%

Runoff Modeling of a Coastal Basin to Assess Variations in Response to Shifting Climate and Land Use: Implications for Managed Recharge

Beganskas

Young

Fisher

et al. 2019

Water Resour Manage

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We quantified the distribution of hillslope runoff under different climate and land-use conditions in a coastal, mixed land-use basin, the Pajaro Valley Drainage Basin (PVDB), California, USA, in order to evaluate opportunities to improve groundwater supply. We developed dry, normal, and wet climate scenarios using high-resolution historic data and compared contemporary land use to pre-development land use under the different climate scenarios. Relative to pre-development conditions, urban and agricultural development resulted in more than twice as much simulated runoff generation, greater spatial variability in runoff, and less water available for recharge; these differences were most pronounced during the dry climate scenario. Runoff results were considered in terms of potential to support distributed stormwater collection linked to managed aquifer recharge (DSC-MAR), which routes excess hillslope runoff to sites where it can infiltrate and enhance groundwater recharge. In the PVDB, 10% of the annual groundwater deficit could be addressed by recharging 4.3% of basin-wide hillslope runoff generated during the normal scenario, and 10.0% and 1.5% of runoff during the dry and wet scenarios, respectively. Runoff simulation results were combined with an independent recharge suitability mapping analysis, showing that DSC-MAR could be effective in many parts of the PVDB under a range of climate conditions. These results highlight the importance of strategically locating DSC-MAR projects at the confluence of reliable supply and favorable subsurface hydrologic properties.

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Section: Introductionmentioning

confidence: 99%

Runoff Modeling of a Coastal Basin to Assess Variations in Response to Shifting Climate and Land Use: Implications for Managed Recharge

Beganskas

Young

Fisher

et al. 2019

Water Resour Manage

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“…Urban stormwater runoff used as a source water for MAR carries various contaminants from the urban catchment, such as heavy metals, nutrients, turbidity, pathogens, and micropollutants such as herbicides [29]. While stormwater management practices can remove many of these contaminants [15], conventional approaches such as water sensitive urban design and constructed wetlands may not efficiently remove micropollutants including PFAS from stormwater.…”

Section: Pfas In Urban Stormwatermentioning

confidence: 99%

Risks of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) for Sustainable Water Recycling via Aquifers

Page

Vanderzalm

Kumar

et al. 2019

Water

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The prediction of the fate of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water recycling with urban stormwater and treated wastewater is important since PFAS are widely used, persistent, and have potential impacts on human health and the environment. These alternative water sources have been utilized for water recycling via aquifers or managed aquifer recharge (MAR). However, the fate of these chemicals in MAR schemes and the potential impact in terms of regulation have not been studied. PFAS can potentially be transported long distances in the subsurface during MAR. This article reviews the potential risks to MAR systems using recycled water and urban stormwater. To date, there are insufficient data to determine if PFAS can be degraded by natural processes or retained in the aquifer and become suitable pre-treatment or post-treatment technologies that will need to be employed depending upon the end use of the recovered water. The use of engineered pre-treatment or post-treatment methods needs to be based on a ‘fit for purpose’ principle and carefully integrated with the proposed water end use to ensure that human and environmental health risks are appropriately managed.

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“…80 Waters produced from oil and gas extraction processes, from storm surge water, and water transported from sources with compositions that vary significantly from local sources can be deposited into partially or fully depleted aquifers before repumping to the surface for further treatment and use. 63,[80][81][82] Equilibration with the aquifer soils may take up some of the unwanted contaminants via sorption and adjust pH and total dissolved solid levels. 63 There is significant uncertainty in the hydrology and the interfacial chemical processes that can be expected when using aquifers for storage and remediation.…”

Section: Water Treatment and Storage In Aquifersmentioning

confidence: 99%

Challenges and opportunities at the nexus of energy, water, and food: A perspective from the southwest United States

Armstrong

Shallcross

Ogden

et al. 2018

MRS Energy & Sustainability

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

Cited by 23 publications

References 13 publications

Runoff Modeling of a Coastal Basin to Assess Variations in Response to Shifting Climate and Land Use: Implications for Managed Recharge

Runoff Modeling of a Coastal Basin to Assess Variations in Response to Shifting Climate and Land Use: Implications for Managed Recharge

Risks of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) for Sustainable Water Recycling via Aquifers

Challenges and opportunities at the nexus of energy, water, and food: A perspective from the southwest United States

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