Have you had your private well water tested this year?

The Environmental Protection Agency recommends that private drinking water supplies be tested annually for coliform bacteria and nitrates. The Cerro Gordo County Department of Public Health makes well testing simple and easy for well owners in Cerro Gordo County.

Click the drop-down below to fill out your interest form and someone from our Environmental Health department will contact you to schedule your appointment!


Our no-cost service includes:

  • A well assessment.
  • Sample collection from a location where most of the residential drinking water is obtained (usually the kitchen sink) for Coliform Bacteria, E.Coli Bacteria, Nitrate, and Arsenic.
  • Sample submission to a certified laboratory.
  • Consultation if results are unsafe.
  • Results sent to the home.

Additional Resources:

Contact Us

2570 4th St SW, Suite 1
Mason City, IA 50401
(641) 421-9300
Toll-Free: 1 (888) 264-2581
Available 24/7 to report health emergencies
(641) 450-0895