Water testing in DeKalb County, IL

Lowest listed local program price: $205, other prices posted, DeKalb County Health Department.

Well water

DeKalb County Health Department Well Water Testing

$205, other prices posted

Bacteria
Nitrate

Call the DeKalb County Health Department's Environmental Health Division (well and septic line) to arrange a water sample test, or submit the Water Sample Request Form.

Order a test

All posted prices

Well inspection and one coliform test: $205; extra samples at that visit: $60

Who can use it: DeKalb County, Illinois

DeKalb County Health Department, 2550 North Annie Glidden Road, DeKalb · (815) 758-6673

Checked October 1, 2026. Official page · Report a change

See statewide tests and certified-lab lists for Illinois.

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