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Ground‐Water Lake Relationships and Ground‐Water Quality in the Sand Plain Province of Wisconsin—Nepco Lake
Author(s) -
Karnauskas Robert J.,
Anderson Mary P.
Publication year - 1978
Publication title -
groundwater
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.84
H-Index - 94
eISSN - 1745-6584
pISSN - 0017-467X
DOI - 10.1111/j.1745-6584.1978.tb03235.x
Subject(s) - hydrology (agriculture) , groundwater , water quality , aquifer , surface water , watershed , geology , environmental science , ecology , geotechnical engineering , machine learning , environmental engineering , computer science , biology
Nepco Lake is a 494‐acre impoundment in the sand plain province of central Wisconsin, an area characterized by a close relationship between ground water and surface water. A study of the ground‐water flow pattern and ground‐water quality in the vicinity of Nepco Lake was conducted for an 11‐month period from June 1976 to April 1977. The ground‐water flow system around Nepco Lake is different from systems for natural lakes previously reported in the literature, in that there are no strong vertical head gradients in the nearshore areas. This phenomenon may be typical for impounded lakes. Other aspects of the study included a survey of the water quality within the watershed and the calculation of water budgets for the lake. Variations in water quality can be related to changes in the texture of the aquifer or the nature of the flow system or both. Water budget calculations indicate that direct ground‐water discharge into the lake is relatively small compared to surface‐water contributions. Nevertheless, ground water in the Nepco Lake Watershed should be carefully managed because of the close relationship between ground water and surface water in this area.