The Health Department operates a State of Wisconsin Certified Water Lab for the bacterial analysis of both public and private well water supply.
How can I tell if my well water is safe to drink?
You’ll only know if your well water is safe to drink by having it tested at a Certified Lab. Wells are generally a safe and dependable source of drinking water – but the best way to be sure is by having the well water tested annually for bacteria. For more information, see our Well Water Test brochure.
Collecting a well water sample is easy. For step-by-step instructions, read the Well Water Sampling Instructions.
Sample bottles are available for pick-up
Monday - Friday (except for Legal Holidays)
8:00 am to 4:30 pm
Laboratory hours for water sample drop-off:
Monday - Wednesday (except for Legal Holidays)
8:00 am to 4:00 pm
Cost: $22.00 Bacteria Test due when water specimen is dropped off. *
$19.00 Nitrate Test due when water specimen is dropped off. *
* Prices are subject to change without notice.
For more information about water quality and frequently asked questions, please visit the following websites:
- Department of Natural Resources information on Wells and Well Water Quality
- UW Madison - Extension Fond du Lac County Arsenic in Well Water
- UW Madison - Extension Fond du Lac County Water Quality
- Fond du Lac County Well Water Sampling Overview and Update 2019
Fond du Lac County Health Department is located at the City/County Government Center on the 3rd floor
Office Hours: 8:00am – 4:30pm Monday through Friday
Email: Click here