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Hot och risker med dricksvattenförsörjning: Förutsättningari tid och rum för bevarande av Sundsvalls och Timrås dricksvattenförsörjning
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This study describes what impact activity within Wifstas, Matfors,Grönstas and Nolbys water protection areas have on the quality of the drinkingwater. It considers the use of the area, environmentally dangerous activitiesin the past and present, the geology’s part, what harm hydroelectric power damsmay cause if they break and how climate change might affect the area in thefuture. It also takes into consideration activities outside the waterprotection areas which might have a suspected impact on the water quality. Theresults of the study are that pollution from infrastructure such as roads, orwastewater from treatment plants may cause occasional contamination of thedrinking water, foremost due to flooding. Substances in the ground which areoriginating from agriculture, forestry and environmentally dangerous activitiesin the past and present, may diffuse into the surface water or ground waterwith a possible negative effect on the drinking water today or in the future.The largest threats to the water quality is in case of an accident withpetroleum products from traffic or hydroelectric power dams. In a case of a dambreakage in Bergeforsen the water supply from Wifstas water source woulddecrease dramatically. The climate change might cause a change of use of theground area in the future.

Place, publisher, year, edition, pages
2013. , 46 p.
Keyword [sv]
Dricksvatten Avsloppsvatten Översvämning Geologi
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:umu:diva-73279OAI: oai:DiVA.org:umu-73279DiVA: diva2:630770
External cooperation
Länsstyrelsen Västernorrland
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Master of Science Programme in Environmental Health
Presentation
, Umeå (Swedish)
Supervisors
Examiners
Available from: 2013-06-23 Created: 2013-06-19 Last updated: 2013-06-23Bibliographically approved

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7f7dc82805724c43764e0ffd07ef8e6b71f43c0e96ec41451238f064e97c31af928fcf7501b9e65dae261f75ebbd31b12774ede3909ec9566d2deae06b1c17a4
Type fulltextMimetype application/pdf

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Department of Ecology and Environmental Sciences
Environmental Sciences

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • 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
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