Prenotification Requirements

Geological Survey Program fact sheet
Missouri Geological Survey Director: Joe Gillman

Well Contractor Prenotification Requirements
According to Missouri Well Construction Rule 10 CSR 23-1.050(3)(C)11, a person who was previously or is currently permitted with the state and is approved to waive the apprenticeship requirement must prenotify any work performed that is regulated by the Missouri Well Construction Rules. The prenotification requirement will be effective for the first full year from the permit issue date. The permittee must notify the Missouri Geological Survey Well Installation Section of work to be performed at least 24 hours prior to start of regulated work, including:

Heat Pump Contractor Prenotification Requirement
Contractors grouting vertical heat pumps using 5-foot plugs must prenotify the Well Installation Section 48 hours prior to beginning construction of the system.

Probationary Period
If a permittee has been placed on probation, a prenotification requirement may be included as a condition of the permittee’s permit to resolve a violation.

How to Prenotify
This process requires a prenotification form that can be found at: When reporting please include, at a minimum, the owner name, address, GPS location, type of work to be performed, and date work will begin. This form may be submitted by fax, email, or mail. Prenotification forms may also be submitted online using the following link: All Well Installation Section forms can be found at:

Emergency Situations
If, due to an emergency, the contractor cannot submit prenotification prior to performing work, the contractor must report the work the next business day with an explanation of the emergency.


For more information
Missouri Department of Natural Resources
Missouri Geological Survey
Well Installation Section
111 Fairgrounds Road
PO Box 250
Rolla, MO 65402-0250
Phone: 573-368-2165 or 800-361-4827
Fax: 573-368-2317