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Analys av kloridhalt i dricksvatten: Risk för saltvatteninträngning i dricksvattenbrunnar inom ett kustnära område i Botkyrka kommun
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2017 (Swedish)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The aim of this study was to analyse the chloride concentrations in drinking water to examine if there is an indication of saltwater intrusion in drinking water wells in Sandviken, a coastal area located in Botkyrka in Sweden. Previous studies show that the water wells in this area may already be affected by saltwater intrusion. Most of the households in this area are only used as summer houses. Only two of the house owners that participated in this study live in Sandviken permanently. A survey was sent to the house owners to find out qualities of the water wells. Water samples were taken from the water wells in Sandviken to analyse the concentration of chloride in the drinking water. 18 water wells were analysed and the results show that the lowest concentration of chloride was measured at 15 mg/l and the highest concentration of chloride was measured at over 400 mg/l. Most of the house owners haven’t felt the taste of salt in their drinking water. The results show that the coefficient of determination (R2) is low for the chloride concentration and the distance from the water well to the sea, the chloride concentration and the depth of the water well and also for the chloride concentration and the age of the water well. This study is showing that there is a certain impact of saltwater intrusion in the water wells in Sandviken.

Place, publisher, year, edition, pages
2017. , 19 p.
Keyword [en]
saltwater intrusion, chloride, groundwater
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-136360OAI: oai:DiVA.org:umu-136360DiVA: diva2:1110524
External cooperation
Botkyrka kommun
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Master of Science Programme in Environmental Health
Available from: 2017-06-21 Created: 2017-06-15 Last updated: 2017-06-21Bibliographically approved

Open Access in DiVA

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File name FULLTEXT01.pdfFile size 1019 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Department of Ecology and Environmental Sciences
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf