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TitleRésultats initiaux de la caractérisation géochimique des aquifères du piémont laurentien dans la municipalité régionale de comtés de Portneuf (Québec)
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AuthorBourque, É; LaFlèche, M R; Lefebvre, R; Michaud, Y
SourceCurrent Research/Recherches en cours; by Geological Survey of Canada; Geological Survey of Canada, Current Research no. 1996-E, 1996 p. 225-232, (Open Access)
PublisherNatural Resources Canada
Mediapaper; on-line; digital
RelatedThis publication is contained in Geological Survey of Canada; (1996). Current Research, Geological Survey of Canada, Current Research no. 1996-E
File formatpdf
NTS21L/12; 21L/13; 22I/09; 22I/16
AreaMRC de Portneuf
Lat/Long WENS-72.5000 -71.5000 47.0000 46.5000
Subjectsgeochemistry; hydrogeology; groundwater; water quality; aquifers; nitrate; water geochemistry; groundwater geochemistry; analyses; trace element analyses; geochemical analyses; sulphur geochemistry; iron geochemistry; manganese geochemistry; Quaternary
Illustrationssketch maps; analyses
Released1996 08 01
AbstractA hydrogeochemical groundwater study is underway in the Portneuf MRC (municipalité régionale de comtés) as part of a regional groundwater mapping project. This groundwater quality investigation has analyzed 37 groundwater samples for inorganic and bacteriologic parameters. We noticed significant variations in the groundwater composition and quality, with several samples exceeding aesthetical objectives. We observed a degradation of the groundwater quality. Significant concentrations of nitrates have been measured for 41% of the samples. Moreover, private well installations and maintenance seem to be deficient since 50% of the samples taken from those wells exceeded the microbiological norms.