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 Start Date End Date Meeting/ Hearing Info
Energy Petroleum Co.-St. Louis Draft Intermediate Operating Permit Public Comment Period, May 1, 2026 to June 1, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Phase 2 Municipal Separate Storm Sewer Systems Comprehensive Draft Missouri State Operating Master General Permit Public Comment Period, April 30, 2026 to June 1, 2026
Water Protection Program
Water » Stormwater Draft Missouri State Operating Permit
Stormwater Permits
No public meeting or public hearing scheduled.
Southern Hills Subdivision Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period, May 1, 2026 to June 1, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Wright City Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, May 1, 2026 to June 1, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
CertainTeed LLC-Jonesburg Draft Part 70 Operating Permit Public Comment Period, May 1, 2026 to May 31, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Part 70 Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
On-site Wastewater Treatment System Grant Application Period Open, May 1, 2026 to June 30, 2026
Financial Assistance Center
Water » Wastewater Grant/ Loan Applications
On-site Wastewater Treatment System Grant
Not Applicable
City of Atlanta Waterline Distribution Improvements Bid Opportunity, April 20, 2026 to June 3, 2026
Financial Assistance Center
Water » Drinking Water Bid Announcement
State Revolving Fund Project Bid Opportunities
Not Applicable
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
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 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
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
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
10 CSR 80-3.010 - Design and Operation Regulatory Impact Report Public Comment Period, April 1, 2026 to May 31, 2026
Waste Management Rulemaking
Waste and Recycling » Solid Waste
Waste and Recycling » Landfills and Transfer Stations
Regulatory Impact Report for Proposed Regulation Amendments
Waste-Related Rules and Regulations
Not Applicable
International Paper Co. Draft Hazardous Waste Class 3 Permit Modification Public Comment Period, March 20, 2026 to June 29, 2026
Waste Management Program
Waste and Recycling » Hazardous Waste Treatment, Storage and Disposal Draft Hazardous Waste Permit Modification
International Paper Co.
Public Hearing - June 16, 2026
Section 319 Nonpoint Source Subgrant Application Period Open, Jan. 1, 2026 to Dec. 31, 2026
Water Protection Program
Water » Nonpoint Source Pollution and Grants Grant/ Loan Applications
Section 319 Nonpoint Source Subgrants
Not Applicable
Source Water Protection Project Grant Application Period Open, Feb. 1, 2026 to May 31, 2026
Water Protection Program
Water » Source Water Protection Grant/ Loan Applications
Source Water Protection Project Grant
Not Applicable