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Licensing Requirements

License Title:

WELL DRILLER, Groundwater


A license is necessary for drilling drinking water wells. Drinking water wells can be for industrial, municipal, or private residential use. A license is currently not required to construct monitoring wells or non-potable wells.

Prerequisites: Must submit a record of complying potable drilling experience, complete an exam, and be approved by Department of Natural Resources (DNR) staff. Exams are offered at a different DNR station the first Wednesday of even numbered months.

Required Documentation: Record of drilling experience including well owner name, Wisconsin Unique Well Number (WUWN), property location, county, completion date, activity & hours supervisor was on site,

New licenses are effective from the date the initial fee is received until 12/31 of the calendar year. Fees: $50

Continuing Education: attend a 6 hour continuing education class. These hours must be acquired at Department of Natural Resources (DNR) approved sessions.
The DNR and Wisconsin Water Well Association jointly present about 8 sessions, throughout the winter months. The four hour portion of education must be at one of these 8 sessions. Attending the entire day completes the required 6 hours. The remaining 2 hours are currently flexible. Some product vendors are approved for two hours of credit and sessions are held at other sites.

Contact the department for additional details.

Wisconsin Statutes: S. 280
Administrative Rules/Codes: NR146 & NR812

Licensing Authority:
WI Dept of Natural Resources
Drinking Water & Groundwater Bureau
101 S. Webster
P.O. Box 7921
Madison, WI 53707-7921
(608)266-0821   (608)267-7650 fax


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