Skip to main content
U.S. flag

An official website of the United States government

Dye detections in domestic wells in Door County, Wis.

Detailed Description

Map showing point-to-point dye detections in domestic wells near the restaurant where the outbreak occurred, Door County, Wis. Potentiometric-level contours represent a hypothetical water-table surface showing which direction water would potentially flow, in meters above sea level.