Effects of pumping collector wells on river-aquifer interaction at Platte River Island near Ashland, Nebraska, 1998

The city of Lincoln, Nebraska, owns and operates two large collector wells-W90-1H and W90-2H-on the Platte River Island near
Ashland, Nebraska (fig. 1). Wells W90-1H and W90-2H augment water supplies from the city's primary well fields on the west bank of
the Platte River. In 1998, the U.S. Geological Survey (USGS) and the city of Lincoln entered a cooperative agreement to study the
interaction of the Platte River with the underlying alluvial aquifer during various pumping scenarios for the collector wells. Description
of the river-aquifer interaction at the Platte River Island while the collector wells are pumping will enable water managers to regulate
the relative amounts of river water and ground water withdrawn by the collector wells. Results also will contribute to improved understanding
of surface-water/ground-water relations in similar alluvial settings.