A proposed amendment to Code of State Regulations 10 CSR 23-1.010 Definitions, is now available for public review and comment until July 9, 2026. All comments must be received or postmarked by 5 p.m. The department will hold a public hearing about the proposed amendment on July 2, 2026. Please follow the link below for more information.
Written comments may be submitted by mail to Michelle Oglesby, Missouri Department of Natural Resources, Missouri Geological Survey, PO Box 250, Rolla, MO 65402, or online through the Regulatory Action Tracking System. Please include your contact information: name, email address and phone number.
The existing rule sets standards for certification and registration report submittal for water wells, monitoring wells, heat pump wells, test holes and pump installations. The purpose of this proposed rule amendment is to improve rule clarity by removing unnecessary language. For additional details please see the rulemaking report.