Louisiana Environment - General regulations & environmental compliance analysis

Louisiana Environment - General: What you need to know

Overview of Louisiana's Environmental Rules


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In Louisiana, the counterpart to the U.S. Environmental Protection Agency (EPA) is the Department of Environmental Quality (DEQ). DEQ is responsible for protecting Louisiana's land, water, and air from pollution. Louisiana has received authorization from EPA to implement its own state air, water, and waste management rules, with various state regulatory requirements being more stringent than corresponding federal requirements.


Louisiana's air program is shaped by its state implementation plan (SIP), which sets forth basic rules and strategies for implementation, maintenance, and enforcement of the National Ambient Air Quality Standards. As mandated by the federal Clean Air Act, Louisiana has adopted and submitted regulations to the U.S. EPA for approval and incorporation into the SIP. The Louisiana SIP was officially submitted to EPA in January 1972 and is frequently amended to comply with the 1990 CAA amendments. The SIP focuses on permitting, emissions standards, nonattainment areas, hazardous air pollutants, and numerous other air-related requirements.

DEQ's Offices of Environmental Assessment, Environmental Services, and Environmental Compliance are responsible for administering and enforcing Louisiana's air regulations.


DEQ was granted the authority to administer the National Pollutant Discharge Elimination System (NPDES) (known in Louisiana as the Louisiana Pollutant Discharge Elimination System (LPDES)) permit program. The state has also developed its own effluent standards and monitoring requirements.

Louisiana Department of Health and Hospitals (DHH) has received primacy from EPA for federal Safe Drinking Water ...

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