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Fit-for-Purpose Water Updates and Life Cycle Comparisons of Non-Potable Water Reuse Scenarios
Citation:
Garland, J., M. Jahne, AND Cissy Ma. Fit-for-Purpose Water Updates and Life Cycle Comparisons of Non-Potable Water Reuse Scenarios. SSWR Webinar, Cincinnati, Ohio, February 24, 2021.
Impact/Purpose:
Share updates on recent water reuse related research via the SSWR webinar series.
Description:
Onsite non-potable water reuse is a transformative approach that collects locally available water sources (e.g., graywater, wastewater, stormwater, and rainwater) for decentralized treatment and use in low-exposure applications such as irrigation and toilet flushing, reducing stress on both potable water supplies and municipal wastewater collection systems. However, care must be taken to manage microbial risks and to avoid burden-shifting with respect to environmental and economic impacts. Accordingly, this webinar will present updated fit-for-purpose risk assessments and life cycle comparisons of non-potable reuse scenarios comprising different water sources, collection scales, and onsite end uses. Recent developments include new water quality datasets for rainwater and onsite graywater/wastewater; exposure sensitivity analyses examining model applicability to additional end uses; integrated assessment (QMRA, LCC, and LCA) of building-scale reuse options; and a spatially explicit online tool for available water quantity estimation and life cycle evaluation of reuse configuration options. This work supports continued development of water reuse resources under the National Water Reuse Action Plan.