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
Mississippi River Lock and Dam 25 Phase 3 Proposed 401 Water Quality Certification Public Comment Period, May 7, 2026 to May 22, 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.
Uniliver MFG USA Approved Final Remedy and Regulatory Release Appeal Period, May 5, 2026 to June 4, 2026
Waste Management Program
Waste and Recycling » Hazardous Waste Approved Final Remedy
Uniliver MFG USA Inc.
Not Applicable
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.
Jim Dipardo Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Westphalia Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Liberty Baptist Church Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Backridge Landfill Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Montrose Station Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Iatan Generating Station Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Fleischmann's Vinegar Co. Inc. Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Memory Lane Events Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, May 7, 2026 to June 8, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
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.
Denver Miller Draft Missouri State Operating Permit Public Comment Period, May 1, 2026 to May 18, 2026
Water Protection Program
Water » Wastewater
Water » Concentrated Animal Feeding Operation
Draft Missouri State Operating Permit
Wastewater 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
MHK Farms LLC Draft Missouri State Operating Permit Public Comment Period, April 24, 2026 to May 11, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.