Case study and life cycle assessment of a coastal utility facing saltwater intrusion

Daniella Saetta, Stephanie K L Ishii, William E. Pine, Treavor Boyer

Research output: Contribution to journalReview article

3 Citations (Scopus)

Abstract

A case study was conducted on a saltwater intrusion event that affected a coastal water utility in Florida. The conductivity of the groundwater increased from approximately 500 to 4,000 ÎS/cm. The possible causes of the saltwater intrusion event were explored, and the steps taken by the water utility to manage the saltwater intrusion were documented. To understand the environmental impact of the saltwater intrusion event on drinking water treatment, the life cycle assessment (LCA) method was used, comparing the original water treatment plant with virtual treatment trains that could treat source waters ranging from freshwater to seawater. Specifically, the LCA results showed the change in environmental impacts between chemical-intensive and electricityintensive processes. As such, an LCA toolbox is proposed; with national and international participation, an LCA toolbox could be used by water utilities as part of the decision-making process when confronting major changes in water quality and treatment.

Original languageEnglish (US)
Pages (from-to)E543-E558
JournalJournal - American Water Works Association
Volume107
Issue number10
DOIs
StatePublished - Oct 1 2015
Externally publishedYes

Fingerprint

saline intrusion
Life cycle
life cycle
Water
Water treatment
Environmental impact
environmental impact
Water treatment plants
assessment method
Seawater
Drinking Water
water
Water quality
train
coastal water
Groundwater
water treatment
conductivity
Decision making
decision making

Keywords

  • Case study
  • Extreme event
  • Life cycle assessment
  • Saltwater intrusion

ASJC Scopus subject areas

  • Water Science and Technology
  • Chemistry(all)

Cite this

Case study and life cycle assessment of a coastal utility facing saltwater intrusion. / Saetta, Daniella; Ishii, Stephanie K L; Pine, William E.; Boyer, Treavor.

In: Journal - American Water Works Association, Vol. 107, No. 10, 01.10.2015, p. E543-E558.

Research output: Contribution to journalReview article

Saetta, Daniella ; Ishii, Stephanie K L ; Pine, William E. ; Boyer, Treavor. / Case study and life cycle assessment of a coastal utility facing saltwater intrusion. In: Journal - American Water Works Association. 2015 ; Vol. 107, No. 10. pp. E543-E558.
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