Mississippi Department of Environmental Quality
MDEQ Released new Frequently Asked Questions (FAQs) on Proposed Waters of the State Regulations
MDEQ has released a new set of Frequently Asked Questions (FAQs) to help the public better understand the proposed regulations to address Waters of the State Permitting following the U.S. Supreme Court decision in Sackett v. Environmental Protection Agency. Click the button on the right for the FAQs and updates on waters of the State.
FOR INDIVIDUALS
Whether you want to learn about composting and recycling at home, check air quality, sign up for our newsletter or attend a public meeting, this is your one-stop resource for information of interest.
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FOR BUSINESS
MDEQ wants to do business with you. We can help you find the permits you need, assist with compliance, provide a Small Business Technical Assistance Program and ensure your success in helping protect our environment.
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FOR GOVERNMENT
Find appropriate information for local governments on topics such as grants and loans, solid waste management, wastewater operator training, and permitting and compliance.
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The Mississippi Department of Environmental Quality is responsible for protecting the state’s air, land, and water. Our mission is to safeguard the health, safety, and welfare of present and future generations of Mississippians by conserving and improving our environment and fostering wise economic growth through focused research and responsible regulation.
December 11, 2025
MDEQ Lifts Beach Water Contact Advisory for Bay St. Louis Beach
December 4, 2025
MDEQ Issues Beach Water Contact Advisory for Bay St. Louis Beach
November 13, 2025
MDEQ Lifts Beach Water Contact Advisory for Biloxi East Central Beach
Notice of Nondiscrimination
