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Louisiana Thermal Discharges: What you need to know

Governing Law and Regulations

Louisiana Pollutant Discharge Elimination System (LPDES) permits: Louisiana Administrative Code (LAC) 33:IX.2301 to 33:IX.7129

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Cooling water intake structures: LAC 33:IX.4701 to 33:IX.4719

Temperature standards: LAC 33:IX.1113.C.4 and LAC 33:IX.1123

Regulatory Agencies

Louisiana Department of Environmental Quality (DEQ) Office of Environmental Services Permits Division

U.S. Environmental Protection Agency (EPA) Region 6

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Louisiana has been granted authority to administer the National Pollutant Discharge Elimination System (NPDES), known in Louisiana as the Louisiana Pollutant Discharge Elimination System (LPDES) permit program. LPDES permits usually contain temperature (thermal) limits for most wastewater discharges. The state has developed monthly and geographically specific temperature standards for effluent discharges that will be specified in a facility's LPDES permit.

Louisiana also follows the federal requirements for permitting cooling water intake structures under Section 316(b) of the federal Clean Water Act. See the national section THERMAL DISCHARGES for more information.

Administration and enforcement. DEQ's Permits Division is responsible for the administration and enforcement of the state's thermal discharge regulations for LPDES permits.

State Requirements

TEMPERATURE STANDARDS

LAC 33:IX.1113.C.4 and LAC 33:IX.1123

Louisiana's water quality standards specify maximum temperatures that various waters of the state can reach as a result of thermal discharges. The regulations list the maximum temperature ...


>> Read more about Thermal Discharges

State Requirements

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Louisiana Thermal Discharges Resources

Thermal Discharges Products

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