Louisiana Underground Injection Wells regulations & environmental compliance analysis

Louisiana Underground Injection Wells: What you need to know

Governing Law and Regulations

Regulations for Class I, III, IV, and V injection wells: Louisiana Administrative Code (LAC) 43:XVII.101 to 43:XVII. 115

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Regulations for Class I hazardous waste injection wells: LAC 43:XVII.201 to 43:XVII.215

Hydrocarbon storage wells in salt dome cavities: LAC 43:XVII.301 to 43:XVII.337

Disposal of exploration and production waste in solution-mined salt caverns: LAC 43:XVII.3101 to 43:XVII.3141

Class III solution-mining injection wells: LAC 43:XVII.3301 to 43:XVII.3337

Underground injection control (UIC) permits: LAC 43:XVII.105

Duration of Permits: LAC 43:XVII.107

Emergency or temporary permits: LAC 43:XVII.115

Resource Conservation and Recovery Act (RCRA) permit-by-rule: LAC 33:V.305.D.1

Regulatory Agencies

Louisiana Department of Natural Resources (DNR) Office of Conservation Injection and Mining 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's underground injection well rules include the federal requirements and the state's more stringent well disposal restrictions, additional permit-by-rule requirements, and facility fees. The Louisiana Department of Natural Resources (DNR) has primary enforcement authority (primacy) from the U.S. Environmental Protection Agency (EPA) for the regulation of Class I, II, III, IV, and V injection and disposal wells. See the national section UNDERGROUND INJECTION WELLS for more information concerning well classifications.

Louisiana prohibits the use of Class I underground injection wells for hazardous waste disposal if the wellhead or its casing is within the banks or ...


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