Proposed Rules

  •

    The following are summaries and other information related to Proposed Rules that the Missouri Department of Natural Resources has submitted to the Secretary of State for Publication in the Missouri Register. These rules will not go into effect until the public has had an opportunity to submit written comments, and to attend a public hearing if one is scheduled.

    Any person may offer comments on a Proposed Rule. The instructions for submitting comments, and the location and date of a hearing if one is scheduled, are located after the text of each rule. Please note that the official text of a Proposed Rule is the version that appears in the Missouri Register, not the draft copy on this site.

    Information on Rules in Initial Development follows the Proposed Rules information. The dates provided in this section are subject to change.

    We hope you find this site helpful and informative.

    To view more detailed information about the rules in development, select here.

    Proposed Rule
    Summary
    Fiscal Note(s)
    Supporting Documents
    Link to Missouri Register
    Small Business Impact Statement
    Date Posted
    10 CSR 23-1.010
    The proposed rule amendment updates definitions for clarity. When reviewing definitions, some were found to have confusing language that make them difficult to read and understand. Updating these definitions to have more clear and concise language makes the definitions easier to interpret and the rules that use these definitions easier to understand.
    No
    10 CSR 23-1.010
    No
    06/01/2026
    10 CSR 23-1.090
    The existing rule explains permit expectations to construct, repair, or plug a well. The proposed rule amendment provides clarity of regulated actives that require a non-restricted permit to perform maintenance of heat pump fluids and associated construction components address in 10 CSR 23-5.
    No
    10 CSR 23-1.090
    No
    06/01/2026
    10 CSR 23-2.020
    This rule sets standards for certification and registration report submittal for water wells, monitoring wells, heat pump wells, test holes, and pump installations. This amendment improves rule clarity by removing unnecessary language in regulation that is already defined in statute.
    No
    10 CSR 23-2.020
    No
    06/01/2026

    Rules in Development

    Filter By

     

    Visit the Small Business Regulatory Fairness Board website for more information regarding rulemakings that affect small business.

    Visit the commission website for more information regarding the commissions
    which have rulemaking authority for these rules.
    Program Home Pages