Well Data Disclaimer
Water Well Data
Records in this database are from water wells drilled largely to supply non-commercial residential needs and which have been reported to the Illinois State Geological Survey (ISGS). This information has been entered verbatim from records submitted by well drillers via logs, pump installation reports and other related forms. Accuracy of these records has not been verified.
Oil and Gas Well Data
Information in this database is based on well data supplied to the Illinois State Geological Survey (ISGS) and is not field verified. This information has been entered verbatim from documents submitted by well drillers and others via logs, completion reports, plugging affidavits, scout tickets and other related forms. The ISGS does not guarantee the validity, accuracy, or completeness of this data.