Crestwood Public Drinking Water Supply Contamination

This fact sheet has been prepared based on the information that the Illinois EPA has at this time and on its investigation to date. The Illinois EPA discovered that a contaminated emergency back-up water supply well was being used illegally by supplementing the treated Lake Michigan water that Crestwood provides to its residents. The well has been sealed; Crestwood has been supplying only treated Lake Michigan water to its residents since November 2007.

• Fact Sheet - May 2009
• Update #1 - June 2009
• Update #2 - June 2009
• Update #3 - September 2009
• Update #4 - October 2009

• Sampling Activity Report
  • Attachment 1 - Site Location Map
  • Attachment 2 - Investigative Area Map
  • Attachment 3 - Sample Location Map
  • Attachment 4 - Sample Reference Table
  • Attachment 5 - X-Ray Fluorescence Results
  • Attachment 6 - Soil Boring Logs
  • Attachment 7 - Illinois EPA Sample Photographs
  • Attachment 8 - X-Ray Fluorescence Location Map
  • Attachment 9 - VOC Concentrations in Groundwater
  • Attachment 10 - VOC Concentrations in Soil
  • Appendix A - Analytical Sample Data
• IDPH Response to Lead Testing Results
• Bedrock Monitoring Well Installation and Sampling Report

• Cancer Incidence Report
• Crestwood Report Fact Sheet

• Health Consultation
• Fact Sheet