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Hydrogeochemical Characteristics and Assessment of Drinking Water Quality in the Urban Area of Zamora, Mexico

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Maestría en Ciencias en Ingeniería Ambiental, Universidad Michoacana de San Nicolás de Hidalgo, Edif. M, C.U., Morelia 58030, Mexico
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Instituto de Investigaciones en Ciencias de la Tierra, Universidad Michoacana de San Nicolás de Hidalgo, Edificio U3, C.U., Morelia 58030, Mexico
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Facultad de Químico Farmacobiología, Universidad Michoacana de San Nicolás de Hidalgo, Tzintzuntan 173, Colonia Matamoros, Morelia 58240, Mexico
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Instituto de Geofísica, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Ciudad Universitaria, Mexico D.F. 04510, Mexico
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Author to whom correspondence should be addressed.
Water 2020, 12(2), 556; https://doi.org/10.3390/w12020556
Received: 31 December 2019 / Revised: 29 January 2020 / Accepted: 4 February 2020 / Published: 17 February 2020
(This article belongs to the Section Aquatic Systems—Quality and Contamination)
This work assessed the groundwater hydrogeochemistry and the drinking water quality of 10 wells supplying the urban area of Zamora, Michoacán, Mexico. Two sampling campaigns were conducted in May 2018 (dry season) and November 2018 (wet season) to describe the chemistry of the water and its interaction with the rock. Physical and chemical constituents (temperature, pH, electrical conductivity, color, turbidity, solids, total hardness, total alkalinity, chemical and biochemical oxygen demands), major components (Ca2+, Mg2+, Na+, K+, SO42−, PO43−, HCO3, CO32−, Cl, N-NO3, and N-NH3), as well as trace elements (As, Fe, Mn, Ba, Al, Sb, Co, V, Cu, Cd, Cr, Ni, Zn, Tl, Pb) were analyzed. Results showed groundwater with a slight tendency to alkalinity. The hydrogeochemical facies observed are Ca2+-HCO3 in all sites. Hydrochemical diagrams indicate immature, cold, non-saline, and uncontaminated water with short residence time. Water–rock interaction predominates. The water in the study area is appropriate for drinking use according to Mexican and international regulations with an excellent quality in 7 wells and good in the other 3. View Full-Text
Keywords: groundwater; water chemistry; hydrogeochemistry; hydrogeochemical facies; drinking water; Zamora; Mexico; water quality index groundwater; water chemistry; hydrogeochemistry; hydrogeochemical facies; drinking water; Zamora; Mexico; water quality index
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Reyes-Toscano, C.A.; Alfaro-Cuevas-Villanueva, R.; Cortés-Martínez, R.; Morton-Bermea, O.; Hernández-Álvarez, E.; Buenrostro-Delgado, O.; Ávila-Olivera, J.A. Hydrogeochemical Characteristics and Assessment of Drinking Water Quality in the Urban Area of Zamora, Mexico. Water 2020, 12, 556.

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