Special Notice for Availability of Unregulated Contaminant Monitoring Data 

IMPORTANT INFORMATION ABOUT YOUR DRINKING WATER

Availability of Monitoring Data for Unregulated Contaminants

City of Cahokia Heights  State Water System ID : IL 1635000

Date Distributed : 3/15/25

“Our water system has sampled for a series of unregulated contaminants. Unregulated contaminants are those that don’t yet have a drinking water standard set by the EPA. The purpose of monitoring for these contaminants is to help the EPA decide whether the contaminants should have a standard. As our customers, you have the right to know that this data is available. If you are interested in examining the results or want a copy, please contact Sharlin Pfeffer at 618-332-1222 ext 105 or mail your request to City of Cahokia Heights Water & Sewer Dept., 2525 Mousette Lane, Cahokia Heights, IL 62206, or click on the link http://cahokiaheightsil.us/water to review the results.”

A maximum contaminant level (MCL) for these contaminants has not been established by either state or federal regulations, nor has mandatory health effects language been set. The purpose of unregulated contaminant monitoring in drinking water and whether future regulation is warranted

See the table below for sample results from the 2024 quarterly sampling events: