Mississippi NPDES: What you need to know

Mississippi Air and Water Pollution Control Law: Mississippi Code Annotated 49-17-1 to 49-17-43

Wastewater permit regulations: 11 Mississippi Administrative Code (Miss. Admin. Code) Part (Pt.) 6, Chapter (Ch.) 1

Applicability: 11 Miss. Admin. Code Pt. 6, Ch. 1, Rule 1.1.1

Permit applications: 11 Miss. Admin. Code Pt. 6, Ch. 1, Rule 1.1.2

Mississippi Department of Environmental Quality (DEQ) Office of Pollution Control Environmental Permits Division

U.S. Army Corps of Engineers (Corps) Vicksburg District, Mobile District, Nashville District, and Memphis District

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

• Rules. Mississippi has been delegated authority to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for wastewater discharges. See the national section NPDES PERMIT for more information on the federal NPDES permitting program.

The state requires an operating permit for the operation of a wastewater treatment works from which no discharge of wastes occurs, and a state pretreatment permit for discharges of wastes into publicly owned treatment works (POTWs) if the waste is subject to federal pretreatment standards. See the national section PRETREATMENT STANDARDS for further details.

Mississippi also requires NPDES permits for concentrated animal feeding operations (CAFOs), as defined in 40 CFR 122.23, and stormwater discharges. For more information on CAFO and stormwater permitting, see the national sections AG WASTE and STORMWATER—GENERAL.

• Administration and enforcement. DEQ's Office of Pollution Control ...