The Laboratory
The District maintains a modern, sophisticated environmental laboratory for the analysis of wastewater from District customers and the plant itself. These samples are used to ensure that the cleaned wastewater the District sends to the Rock River meets or exceeds all EPA requirements.

The District Laboratory also performs analytical services to support industrial monitoring. Analyses are done to monitor the performance of the plant as well as to report compliance with the District's National Pollutant Discharge Elimination System (NPDES) Permit to the IEPA. Industrial samples are analyzed to determine compliance with the appropriate pre-treatment effluent standards.

To contact the District's laboratory, call 815-387-7423 or E-Mail Laboratory.