RAPID/Hydropower/Mississippi/Water Quality

From Open Energy Information
RAPIDRegulatory and Permitting Information Desktop Toolkit
My Projects

Mississippi Hydropower Water Quality Assessment(14-MS)

In Mississippi, a hydropower developer may need a Section 401 Water Quality Certification from the Mississippi Department of Environmental Quality for Federal Energy Regulatory Commission (FERC) licensed projects that may discharge dredged or fill material into a water of the United States, including wetlands. Mississippi may also require water quality compliance conditions for FERC exempted hydropower projects pursuant to the State’s 30(c) power under the Federal Power Act.

More Information

Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.

Permitting at a Glance

401 Water Quality Certification Process (401 Certification): The Mississippi Department of Environmental Quality reviews and issues 401 Water Quality Certifications for projects filed with the Federal Energy Regulatory Commission that may result in any discharge into the navigable waters of the U.S. Under Process 401(a)(1) of the CWA (33 U.S.C. § 1341), states have the authority to review and approve, condition, waive, or deny a 401 WQC.
401 Certification Regulatory Agency: Mississippi Department of Environmental Quality
401 Certification Threshold: Section 401 of the Clean Water Act (CWA) (33 U.S.C. § 1251 et seq.) requires developers, subject to a federal license or permit (i.e., Clean Water Act Process 404 permit, Federal Energy Regulatory Commission license, etc.) to obtain a 401 Water Quality Certification (WQC) if the project may result in any discharge into navigable waters of the U.S.

Contact Information

Edit U.S. Army Corps of Engineers
Section 404 Regulatory Contacts


Visit Website

Edit Bureau of Reclamation
Hydropower Program: Power Resources Office Directory


Visit Website

Edit Federal Energy Regulatory Commission
Regional Office Hydropower Contacts


Visit Website

| Add a Contact

List of Reference Sources