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Wastewater reuse benefits for municipal complete retention lagoons: Life cycle assessment and dynamic modeling

Journal Article · · Water Environment Research
DOI:https://doi.org/10.1002/wer.11098· OSTI ID:2575956
 [1];  [2]
  1. HDR Inc., Omaha, NE (United States)
  2. Univ. of Nebraska, Lincoln, NE (United States)

Complete retention lagoons with wastewater reuse for agricultural purposes may offer sustainability advantages over alternative systems for small communities in semiarid regions. This study quantifies the environmental life cycle impact of adopting agriculture water reuse systems using case study data to estimate operating and building infrastructure impacts and spatial–temporal modeling to quantify resource trade-offs. Water reuse system benefits are highly dependent on supply–storage–demand dynamics. The relative size of irrigated agricultural land to the lagoon size was the most significant factor influencing site water application rates. The benefits are sensitive to changes in air emissions occurring from the agricultural land and further emphasize the importance of proper fertilizer management when adopting water reuse systems. Wastewater reuse from complete retention lagoons reduce life cycle GHG emissions, primarily through excavation reductions, offset fertilizer use, and especially from increased crop yields from wastewater reuse at previously rainfed sites.

Research Organization:
Univ. of Nebraska, Lincoln, NE (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0007718; EE0009709
OSTI ID:
2575956
Journal Information:
Water Environment Research, Journal Name: Water Environment Research Journal Issue: 8 Vol. 96; ISSN 1554-7531; ISSN 1061-4303
Publisher:
Wiley - Water Environment FederationCopyright Statement
Country of Publication:
United States
Language:
English

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