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
Lambert International Airport-St. Louis Draft Intermediate Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Proposed Fiscal Year 2027 Drinking Water State Revolving Fund Intended Use Plan and Project Priority List Public Comment Period, June 25, 2026 to Aug. 3, 2026
Financial Assistance Center
Water » Drinking Water Proposed Intended Use Plan
State Revolving Fund Intended Use Plans
Public Meeting - July 27, 2026
New Frontier Materials-South Asphalt Draft Intermediate Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
CertainTeed LLC-Jonesburg Draft Part 70 Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Part 70 Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
SSM Health St. Mary's Hospital Draft Intermediate Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
KCMO Water Supply Treatment Plant Draft Intermediate Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Ameren Missouri-Audrain Energy Center Draft Part 70 Operating Permit Public Comment Period, June 26, 2026 to July 26, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Part 70 Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Buick Resource Recycling Facility Final Hazardous Waste Permit Appeal Period, June 23, 2026 to July 22, 2026
Waste Management Program
Waste and Recycling » Hazardous Waste Treatment, Storage and Disposal Final Hazardous Waste Permit
Buick Resource Recycling Facility
Not Applicable
Lake Forest Estates Clean Water District Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, June 18, 2026 to July 20, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Crowley Ridge Village LLC Draft Missouri State Operating Permit Public Comment Period, June 18, 2026 to July 20, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Kids Across America Kamp 2 Draft Missouri State Operating Permit Public Comment Period, June 18, 2026 to July 20, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
BCRSD American Outdoor Brands Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, June 18, 2026 to July 20, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Draft 2028 Listing Methodology Document Public Comment Period, June 15, 2026 to Aug. 14, 2026
Water Protection Program
Water » Impaired Waters-303d list 303(d) Listing Methodology
Impaired Waters
Two Meetings Scheduled
Nevada Municipal Airport Draft Missouri State Operating Permit Public Comment Period, June 12, 2026 to July 13, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Fischer Minerals LLC Draft Missouri State Operating Permit Public Comment Period, June 12, 2026 to July 13, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Cedar Glade Subdivision Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, June 12, 2026 to July 13, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Joplin Regional Stockyards Draft Missouri State Operating Permit Public Comment Period, June 12, 2026 to July 13, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Proposed Redesignation Request for the Sibley Unclassifiable Area for the 2010 Sulfur Dioxide Standard Public Comment Period, June 29, 2026 to Aug. 6, 2026
Air Pollution Control Program
Air » Pollutants and Sources Proposed Redesignation Request
Sulfur Dioxide State Planning
Public Hearing - July 30, 2026
Proposed Fiscal Year 2027 Clean Water State Revolving Fund Intended Use Plan and Project Priority List Public Comment Period, June 9, 2026 to July 22, 2026
Financial Assistance Center
Water » Wastewater Proposed Intended Use Plan
State Revolving Fund Intended Use Plans
Public Hearing - Missouri Clean Water Commission, July 15, 2026
Ameren Missouri-Peno Creek Energy Center Draft Part 70 Operating Permit Public Comment Period, June 5, 2026 to July 5, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Part 70 Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.