Technical note: Electrochemical generation of perchlorate in municipal drinking water systems

Andrew Jackson, Sangeetha Arunagiri, Richard Tock, Todd Anderson, Ken Rainwater

Research output: Contribution to journalReview article

16 Scopus citations

Abstract

This article documents the first known in situ electrochemical production of perchlorate within a public water distribution system. In this detailed incident, perchiorate (CIO4-) was detected in the distribution system of Levelland, Texas, and was eventually isolated to one elevated storage tank. Theoretical considerations supported the production of CIO4- by an electrochemical process within the tank. CIO4 was produced (64-113 μg/L in 338 h) in laboratory experiments that simulated the cathodic protection system in place in the storage tank. Because cathodic protection systems are widely used, this research confirms a potentially troubling mechanism of CIO4-generation.

Original languageEnglish
Pages (from-to)103-108
Number of pages6
JournalJournal / American Water Works Association
Volume96
Issue number7
DOIs
StatePublished - Jul 2004

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