WellheadMap

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Lake Michigan G-4

Status not reported Other well

API number12-031-48380
CountyCook, Illinois
Completed1975-08-04
Surface location41.912778, -87.122222 · wells within 1 mile
Directions to the wellhead: Google Maps Apple Maps Waze
State recordIllinois State Geological Survey ↗
Data as of2026-10-17

From Illinois State Geological Survey public records. Verify with the state before relying on this information.