EVALUATION OF FUNCTIONING AND THE INFLUENCE ZONE OF A “LARGE” GROUNDWATER INTAKE AFTER 40 YEARS OF USE
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2013, Vol 456, Issue 456
Abstract
The paper presents the results of comprehensive hydrogeological studies to evaluate the efficiency of 40-years old wells, correctness of the amount of exploitable groundwater resources of a “large” intake, predicted in the 1970s, and to assess the range of its influence zone. Hydrogeological studies included field work, mapping, test pumping and modelling. Field work was carried out during the normal operation of the Department, which was associated with a number of nuisances resulting from water intake limits for technological purposes. The research found that the technical condition of most wells after 40 years of operation has greatly improved, as indicated by a marked increase in the specific well’s discharge as much as 4.5 times. According to test pumping and modelling studies, the intake can still work at the level of approved groundwater resources (including water-legal permits), however the recharge area and influence zone are almost 2–3 times greater compared to the area estimated by analytical methods presented in the hydrogeological documentation compiled in the 1970s.
Authors and Affiliations
Arkadiusz WĘGRZYN, Magdalena WOŹNIAK, Barbara GRZEBULSKA, Czesław NOWAKOWSKI, Alicja SOBOLEWSKA, Łukasz SOPEL
Keywords
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- EP ID EP63876
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