Engineering Bench Mark Data

Please remember that the user is responsible for verifying bench marks by checking between at least three bench marks before using. If you find discrepancies in bench mark data, please let the Public Works Department know. If you have any questions about the bench mark information please call the Public Works Department at 847-272-4711.

Note: some existing spot grades shown on the bench mark map may have change since last updated in may of 1992, due to road improvements on those streets.

Map Legend


  • O - Village Bench Mark
  • D - GPS Control Point
  • I - FEMA Bench Mark
  • 666.6 - Spot Grade Elevation