The cattle fattening in corrals (feedlot) is an activity that has expanded in the last years. These activities may contribute with contaminants to environment through waste water and manure, such as Nitrogen and Phosphorous, pathogens, between others. The aim was to identify and characterize physically, chemically and microbiologically the phreatic aquifer at a feedlot, at the zone of Saladillo, Bs. As. Province, Argentina. A topographic survey was carried out to describe the directions of superficial runoff and to locate the wells. Samples were taken for laboratory analysis. Electrical resistivity tomography was carried out to characterize the extent of the potential contamination. Near the corrals there is a decrease in the resistivity in unsaturated and saturated zone (NSZ, SZ). In the sense of groundwater flow and decreasing topography, an increase of EC of SZ is observed, associated with water salinization. The concentration of nitrates and phosphates increases in the sense of groundwater flow. The Pseudomonas and E coli, in some wells, added to the amount of detected coliforms, demonstrates the deterioration of the groundwater quality. The integration of geophysical survey allowed corroborating the extent of the salinization of the NSZ and SZ by the effect of leachate from the corrals.


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  1. Auge, M. P.
    [2004] Regiones hidrogeológicas de la República Argentina. http://tierra.rediris.es/hidrored/ebooks/miguel/RegionesHidrogeol.pdf.
    [Google Scholar]
  2. Márquez Molina, J.J., SainatoC.M., UrricarietA.S., LosinnoB.N., HerediaO.S.
    [2014]. Bulk electrical conductivity as an indicator of spatial distribution of nitrogen and phosphorous at feedlots. Journal of Applied Geophysics, 111, 156–172.
    [Google Scholar]
  3. Márquez MolinaJ.J., UrricarietS., SainatoC.M., LosinnoB.N., HerediaO.S.
    [2015]. Effects of feedlot manure on soil and groundwater assessed with electrical resistivity tomography. Environmental Earth Sciences, 73(4), 1459–1472
    [Google Scholar]
  4. OldenburgD.W. and Y.Li
    . [1994]. Inversion of induced polarization data. Geophysics, 59, 1327–1341.
    [Google Scholar]
  5. PageA.L.
    [1982]. Methods of soil analisys. Chemical and microbiological properties. 2° ed. (Part 2), in the series Agronomy. American Society of Agronomy, Inc. SSSA, Inc. Publisher, Madison, Wisconsin, USA, 1159pp
    [Google Scholar]
  6. Sainato, C. M., Losinno, B. N., Malleville, H. J.
    [2012]. Assessment of contamination by intensive cattle activity through electrical resistivity tomography. Journal of Applied Geophysics, 76, 82–91.
    [Google Scholar]
    USDA-EPA. [1999]. Estrategia Nacional Unificada para Operaciones de Alimentación Animal. Regulations: 40 CFR 122,23(d,e,f,g), 122,42 and 412 (68 FR 7268 and 7269). Washington DC
    [Google Scholar]
  8. USEPA
    USEPA. [2010]. Implementation Guidance on CAFO Regulations-CAFOs Taht Discharge or Are Proposing to Discharge. Office of Water. Office of Wastewater Management. Water Permits Division. Washington, DC.
    [Google Scholar]
  9. ZhuJ., LuoA.,. ZhouY, NdegwaP.M.,. SchmidtD.R.
    [2004]. The Age Effect of Dairy Feedlots on Manure Nutrient Seepage in Loam Soils. Biosystems Engineering, 89(2), 223–229.
    [Google Scholar]

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