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Five Classes of Injection Wells
Class I a well utilized for industrial or municipal waste disposal
Class II a well utilized for enhanced recovery injection, oil/gas storage, or oil and gas waste fluid disposal
Class III solution mining wells (brine wells, etc)
Class IV wells injecting into a USDW (banned)
Class V wells not covered under Classes I-IV (e.g., aquifer remediation, heat pump/ac return flow well, etc)

617 North Third Street · P.O. Box 94275 · Baton Rouge Louisiana 70804-9275 · Voice 225.342.5515 Fax 225.242.3441
Revised on Monday March 03 2008 by the DNR Web Team