Nation-Wide Bromide Occurrence and Bromate Formation Potential in Drinking Water Supplies

by P. Westerhoff, Univ of Colorado, Boulder, CO, USA,
M. Siddiqui, Univ of Colorado, Boulder, CO, USA,
J. Debroux, Univ of Colorado, Boulder, CO, USA,
W. Zhai, Univ of Colorado, Boulder, CO, USA,
K. Ozekin, Univ of Colorado, Boulder, CO, USA,
G. Amy, Univ of Colorado, Boulder, CO, USA,



Document Type: Proceeding Paper

Part of: Critical Issues in Water and Wastewater Treatment

Abstract: The average bromide concentration obtained in a survey of 101 nationwide drinking water utilities was almost 100 μg/l. Whereas previous studies have targeted ozonation studies on waters containing high levels of bromide, a broad ozonation study herein illustrates that, under typical treatment conditions, a significant portion of utilities may exceed the proposed bromate MCL of 10 μg/l. A bromate prediction diagram has been developed to assist utilities in assessing the in potential for bromate formation.

Subject Headings: Water pollution | Water quality | Ozonization | Drinking water | Water supply systems | Hydrographic surveys

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