Mississippi Department of Environmental Quality
MDEQ is proposing new regulations to address the effects of the U.S. Supreme Court ruling in the case of Sackett v. Environmental Protection Agency
These proposed regulations will provide clarity and consistency to the existing definition of “waters of the State” and establish the State Water Alteration Program (SWAP) which will include exemptions and conditional exemptions for certain activities that could affect waters of the State. Find out more about the proposed regulations, upcoming public hearing, and instruction for submitting comments by clicking the link.
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.
Learn More
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.
Learn More
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.
Learn More
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.
April 23, 2025
MDEQ Lifts Three Beach Water Quality Advisories
April 17, 2025
MDEQ Issues Water Contact Advisories for Three Beaches
Notice of Nondiscrimination
