Working closely with the Wells and Treatment Division is the laboratory. The laboratory performs the sampling and testing required by the Illinois Environmental Protection Agency. In addition, the Laboratory provides for the quality control and quality assurance of the City’s public water supply. The City of DeKalb’s Laboratory is one of only a few public laboratories that is certified by the Illinois Department of Public Health to perform bacteriological analysis of public water supplies.

Facts & Figures
  • Over 13,000 samples are analyzed annually
  • The City of DeKalb water supply met or exceeded all federal and state drinking water standards
  • Awarded Certificate of Commendation by the Illinois Department of Public Health for achieving the highest standard of compliance in accordance with the Illinois Fluoridation Act for 19 consecutive years
​Laboratory Test Forms
Microbiological Report Form - Fillable (PDF)
To fill form electronically, first save the document to your computer, then open the document and type in the appropriate fields before printing.

Schedule of Services & Charges

Service Charges Per Sample
Total Coliform
Fecal Coliform
Standard Plate Count
Fluoride by Specific Ion
pH $15
Hardness $15
Conductivity $15
N. Nitrate/Nitrite
Total Dissolved Solids
Phosphate, Ortho
Phosphate, Total
Iron, Total
Chlorine, Free and Total
Lead $15
Copper $15
Bacteriological samples must be received by 2:30 p.m. for testing that day. Additional fee may apply to samples requiring after-hours testing.