In Louisiana, EPA issues NPDES permits on tribal lands. For more information, please contact EPA Region 6. All other permits are issued by the Louisiana Dept. of Environmental Quality.

For state-issued permits, visit Louisiana Pollutant Discharge Elimination System (LPDES) Exit

For stormwater permits, visit NPDES Stormwater Program in Region 6.

For offshore oil and gas permits, see Western and Central Gulf of Mexico Offshore Oil & Gas NPDES Program.