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
Consolidated Grain and Barge Scott City Draft Intermediate Operating Permit Public Comment Period, Jan. 30, 2026 to March 1, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Scrap Tire Surface Material Grant Application Period Open, Jan. 30, 2026 to March 31, 2026
Waste Management Program
Waste and Recycling » Tires Grant/ Loan Applications
Scrap Tire Surface Material Grants
Not Applicable
Majestic Lakes Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Duck Club Yacht Club Wastewater Treatment Facility Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
General Motors Wentzville Assembly Center Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Courtney Bend Drinking Water Treatment Plant Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Dyno Nobel Inc. (Carthage Plant) Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Armcore LLC Draft Missouri State Operating Permit Public Comment Period, Jan. 30, 2026 to March 2, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
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
City of Iberia Sanitary Sewer Collection System Improvements Bid Opportunity, Jan. 20, 2026 to Feb. 24, 2026
Financial Assistance Center
Water » Wastewater Bid Announcement
State Revolving Fund Project Bid Opportunities
Pre-Bid Meeting - Feb. 10, 2026
City of Iberia Wastewater Treatment and Lift Station Improvements Bid Opportunity, Jan. 20, 2026 to Feb. 24, 2026
Financial Assistance Center
Water » Wastewater Bid Announcement
State Revolving Fund Project Bid Opportunities
Pre-Bid Meeting - Feb. 10, 2026
Phase 2 Small Municipal Separate Storm Sewer Systems Draft Missouri State Operating Master General Permit Public Comment Period, Jan. 23, 2026 to Feb. 23, 2026
Water Protection Program
Water » Stormwater Draft Missouri State Operating Permit
Stormwater Permits
No public meeting or public hearing scheduled.
Missouri Smelting Technology Inc. Draft Intermediate Operating Permit Public Comment Period, Jan. 23, 2026 to Feb. 22, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Intermediate Operating Permit
Air Operating Permits
No public meeting or public hearing scheduled.
Wilmar Estates Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, Jan. 23, 2026 to Feb. 23, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Carrolton Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period, Jan. 23, 2026 to Feb. 23, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Deepwater Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period, Jan. 23, 2026 to Feb. 23, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
PWSD No. 4 - Cole County, Jefferson City, MO, Lead Service Line Inventory and Replacement Bid Opportunity, Jan. 20, 2026 to Feb. 24, 2026
Financial Assistance Center
Water » Drinking Water Bid Announcement
State Revolving Fund Project Bid Opportunities
Not Applicable
Ray-Carroll County Grain Growers, Inc. Draft Part 70 Operating Permit, Jan. 16, 2026 to Feb 15, 2026
Air Pollution Control Program
Air » Pollutants and Sources Draft Part 70 Operating Permit
Air Operating Permits
Lazy River Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period, Jan. 16, 2026 to Feb. 17, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Missouri-American Water Company, Lawson Lagoon Draft Missouri State Operating Permit Public Comment Period, Jan. 16, 2026 to Feb. 17, 2026
Water Protection Program
Water » Wastewater Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.