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, public hearings and other public events for water-related issues and regulated facilities. This list may include draft or proposed permits, rulemaking, state actions, plans, tax proposals and more. The department notifies the public of these events and opportunities to comment through newspaper legal notices, radio announcements and news releases, depending on the activity. 

Please feel free to participate in any opportunities that interest you. If you have questions about a specific facility or event, please email or call the department contact listed in the public notice. Hearing and speech-impaired individuals may reach us through Relay Missouri at 800-735-2966.

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 may use the fields below to search for a specific public notice. To sort the table by notice title or topic, either use the "sort by" dropdown field or click on the column headings in the table. To view closed public comment periods that ended within the last two years, use the date range fields.

Notice Topic Start Date End Date Meeting/ Hearing Info
Debi Gibbins Proposed 401 Water Quality Certification Public Comment Period, March 20, 2026 to April 4, 2026
Water Protection Program
Proposed 401 Water Quality Certification
Section 401 Water Quality Certification
No public meeting or public hearing scheduled.
Hillhouse Pumping Co. LLC Draft Missouri State Operating Permit Public Comment Period March 6, 2026 to April 6, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Majestic Lakes Wastewater Treatment Facility Draft Missouri State Operating Permit Public Comment Period March 6, 2026 to April 6, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Salem Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period March 6, 2026 to April 6, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Missouri-American Water Company Shamrock Heights Subdivision Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period March 6, 2026 to April 6, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Bent Tree Harbor Subdivision Wastewater Treatment Plant Draft Missouri State Operating Permit Public Comment Period March 6, 2026 to April 6, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Missouri American Water South Water Treatment Plant, Chemical Storage and Feed Facilities Upgrades, St. Louis, MO Bid Opportunity, March 2, 2026 to April 8, 2026
Financial Assistance Center
Bid Announcement
State Revolving Fund Project Bid Opportunities
Pre-Bid Meeting - March 18, 2026
TG Missouri Corporation Draft Missouri State Operating Permit Public Comment Period March 13, 2026 to April 13, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
Hawthorne Generating Station Draft Missouri State Operating Permit Public Comment Period March 13, 2026 to April 13, 2026
Water Protection Program
Draft Missouri State Operating Permit
Wastewater Permits
No public meeting or public hearing scheduled.
On-site Wastewater Treatment System Grant Program Public Comment Period, April 1, 2026 to April 15, 2026
Financial Assistance Center
Request for Proposals
CWSRF On-site Wastewater Treatment System Grant
No public meeting or public hearing scheduled.