A public notice announcement thumbtacked to a bulletin board

The following public notices have been issued for currently open public comment periods and scheduled public meetings and public hearings. This list may include draft or proposed permits, rulemaking, state actions, plans, bond issues, tax proposals, public improvement projects and more. Please feel free to participate in any opportunities below that interest you. If you have questions about a specific public comment period or facility, please email or call the contact listed in the public notice. Hearing- and speech-impaired individuals may reach us through Relay Missouri at 800-735-2966 (Requires a device with a call dialing feature, such as a phone, or application with a "click-to-call" feature, such as Webex or Teams).

Please click on the specific public notice to access links to available electronic documents pertaining to that public notice and for information about how to submit written comments, if applicable. Some documents may not be available due to their file size. Other available documents may be quite large, which may result in long download times for individuals with slow internet connections. If you would prefer to review or obtain printed copies of the documents, please submit an Open Records/ Sunshine Law Request.

You can narrow down the number of public comment periods by using the filters below. To view closed public comment periods that ended within the last two years, use the date range fields. 

*This is an "and" type search. All criteria you enter must be met for the public comment period to appear. If you are not able to find the public comment period you are searching for, use less criteria.

Notice Areas of Focus Topic Sort descending Start Date End Date Meeting/ Hearing Info
Drinking Water State Revolving Fund (DWSRF) Loan Application Period Open, April 1, 2026 to March 1, 2027
Financial Assistance Center
Water » Drinking Water Grant/ Loan Applications
Drinking Water State Revolving Fund (DWSRF) Loan
Not Applicable
Clean Water State Revolving Fund (CWSRF) Loan Application Period Open, April 1, 2026 to March 1, 2027
Financial Assistance Center
Water » Wastewater Grant/ Loan Applications
Clean Water State Revolving Fund (CWSRF) Loan
Not Applicable
Doe Run Viburnum Trend Aquatic Restoration Project Proposed 401 Water Quality Certification Public Comment Period, May 22, 2026 to June 8, 2026
Water Protection Program
Water » Section 401 Water Quality Certification Proposed 401 Water Quality Certification
Section 401 Water Quality Certification
No public meeting or public hearing scheduled.
Chateau Lane Culvert Maintenance Proposed 401 Water Quality Certification Public Comment Period, May 28, 2026 to June 12, 2026
Water Protection Program
Water » Section 401 Water Quality Certification Proposed 401 Water Quality Certification
Section 401 Water Quality Certification
No public meeting or public hearing scheduled.
Proposed Pretreatment Program Modification Public Comment Period, May 15, 2026 to June 15, 2026
Water Protection Program
Water » Wastewater Pretreatment Proposed Pretreatment Program Modification
Wastewater Pretreatment
No public meeting or public hearing scheduled.
City of Jackson Proposed Pretreatment Program Modification Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Pretreatment Proposed Pretreatment Program Modification
Wastewater Pretreatment
No public meeting or public hearing scheduled.
10 CSR 10-6.075 Maximum Achievable Control Technology Regulations Proposed Rule Amendment Public Comment Period, April 15, 2026 to June 4, 2026
Air Pollution Control Program
Air Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - May 28, 2026
10 CSR 23-2.020 Certification and Registration Proposed Rule Amendment Public Comment Period, June 1, 2026 to July 9, 2026
Missouri Geological Survey
Water » Wells and Drilling
Land and Geology » Wells and Drilling
Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - July 2, 2026
10 CSR 23-1.090 Permits Proposed Rule Amendment Public Comment Period, June 1, 2026 to July 9, 2026
Missouri Geological Survey
Water » Wells and Drilling
Land and Geology » Wells and Drilling
Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - July 2, 2026
10 CSR 23-1.010 Definitions Proposed Rule Amendment Public Comment Period, June 1, 2026 to July 9, 2026
Missouri Geological Survey
Water » Wells and Drilling
Land and Geology » Wells and Drilling
Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - July 2, 2026
10 CSR 10-6.070 New Source Performance Regulations Proposed Rule Amendment Public Comment Period, April 15, 2026 to June 4, 2026
Air Pollution Control Program
Air Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - May 28, 2026
10 CSR 10-6.080 Emission Standards for Hazardous Air Pollutants Proposed Rule Amendment Public Comment Period, April 15, 2026 to June 4, 2026
Air Pollution Control Program
Air Proposed Regulation Amendments
Regulatory Action Tracking System
Public Hearing - May 28, 2026
Rocky Mount Sewer District Phase 4 Sewer Extension Proposed Variance Public Comment Period, June 1, 2026 to July 1, 2026
Financial Assistance Center
Water » Wastewater Variance Proposed Variance
Wastewater Variances
Commission Meeting - July 15, 2026