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Use of abstraction regime and knowledge of hydrogeological conditions to control high-fluoride concentration in abstracted groundwater : San Luis Potosí basin, Mexico

Carillo-Rivera, J.J.; Cardona, A.; Edmunds, W.M.. 2002 Use of abstraction regime and knowledge of hydrogeological conditions to control high-fluoride concentration in abstracted groundwater : San Luis Potosí basin, Mexico. Journal of Hydrology, 261 (1-4). 24-47. 10.1016/S0022-1694(01)00566-2

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Abstract/Summary

Significant amounts of fluoride are found in the abstracted groundwater of San Luis Potosí. This groundwater withdrawal induces a cold, low-fluoride flow as well as deeper thermal fluoride-rich flow in various proportions. Flow mixing takes place depending on the abstraction regime, local hydrogeology, and borehole construction design and operation. Fluoride concentrations (≈3.7 mg l−1) could become higher still, in time and space, if the input of regional fluoride-rich water to the abstraction boreholes is enhanced. It is suggested that by controlling the abstraction well-head water temperature at 28–30 °C, a pumped water mixture with a fluoride content close to the maximum drinking water standard of 1.5 mg l−1 will be produced. Further, new boreholes and those already operating could take advantage of fluoride solubility controls to reduce the F concentration in the abstracted water by considering lithology and borehole construction design in order to regulate groundwater flow conditions.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/S0022-1694(01)00566-2
Programmes: BGS Programmes > Groundwater Management
ISSN: 0022-1694
Additional Keywords: GroundwaterBGS, Groundwater, Groundwater and health
Related URLs:
Date made live: 23 Nov 2010 14:58
URI: http://nora.nerc.ac.uk/id/eprint/12292

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