Evaluation of chemical indicators for tracking and apportionment of phosphorus sources to Table Rock Lake in Southwest Missouri, USA

This work evaluated the suitability of selected chemical species as indicators for tracking and apportionment of point and non-point phosphorus sources within the Table Rock Lake watershed in Southwest Missouri, USA. The species were evaluated with respect to their uniqueness to specific source type...

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Bibliographic Details
Published in:	Water research (Oxford) Vol. 41; no. 7; pp. 1525 - 1533
Main Authors:	Yuan, Zhiwen, Ramaswami, Bala, Casaletto, David, Falke, Stefan, Angenent, Largus T., Giammar, Daniel E.
Format:	Journal Article
Language:	English
Published:	Oxford Elsevier Ltd 01-04-2007 Elsevier Science
Subjects:	Anions - analysis Applied sciences Bromide ion Bromides chemical indicators Chromatography, Ion Exchange effluents Environmental Monitoring - methods Exact sciences and technology Fresh Water - chemistry Indicator Indicator Dilution Techniques indicator species lakes Missouri Other industrial wastes. Sewage sludge Phosphorus Phosphorus - analysis Pollution Seasons Source apportionment Table Rock Lake Wastes wastewater wastewater treatment water analysis Water treatment and pollution Missouri United States North America America USA, Missouri, Table Rock L USA, Missouri Phosphorus Source apportionment Bromide ion Indicator Sewage treatment plant Trace element Seasonal variation Watershed Surface water Pollution source inventory Lakes Rocks Sampling Point source
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Summary:	This work evaluated the suitability of selected chemical species as indicators for tracking and apportionment of point and non-point phosphorus sources within the Table Rock Lake watershed in Southwest Missouri, USA. The species were evaluated with respect to their uniqueness to specific source types, their ability to be detected in both sources and receiving waters, and the consistency of their concentration ratios to phosphorus. Four sampling events were conducted at 15 sample locations in one year to collect water samples for measuring the concentrations of total and dissolved phosphorus, seven anions, and 19 major and trace elements. Current analytical methods were sensitive enough for quantification of most of the chemical species in both sources and the receiving waterbody. Due to the high seasonal variation of phosphorus concentrations in source samples, no chemical species had consistent concentration ratios to phosphorus across source types. However, several chemicals were found to be unique to specific sources; bromide ion can be used as a unique indicator for the effluent of the largest wastewater treatment plant in the watershed.
Bibliography:	http://dx.doi.org/10.1016/j.watres.2006.12.035 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0043-1354 1879-2448
DOI:	10.1016/j.watres.2006.12.035