Central sands study on pumping effects on lakes and streams
Central sands study on pumping effects on lakes and streams published in international science journal
A study linking groundwater pumping to lake and stream dry-ups in
central Wisconsin has been accepted for publication by the international
scientific journal Ground Water. The study traces groundwater pumping
and its effects on lakes and streams from the 1950s to the present.
Some 78 billion gallons of groundwater are pumped annually in
central Wisconsin, 84 per cent for irrigation. Portage, Waushara, and
Adams Counties pump the first, third, and fourth largest amounts in
Wisconsin. Kraft’s study found that pumping effects were detectable in
lake and stream records going back to the 1970s. Pumping impacts became
clear-cut in 2000-2009, when stretches of the Little Plover and Long
Lake near Plainfield dried, the beach at Wolf Lake County Park (Portage
County) had to be closed, and fish kills occurred at other lakes.