State Regulations: Indiana
The Indiana Department of Natural Resources (DNR) Division of Oil and Gas regulates petroleum exploration, production, and site abandonment activities, underground injection control, test hole drilling, and geophysical surveying operations. Otherwise, the Indiana Department of Environmental Management (IDEM) administers the major environmental protection laws.
Division of Oil and Gas
(Indianapolis Central Office)
402 West Washington Street, Room 293
Indianapolis, IN 46204
(317) 232-4055 (phone)
(317) 232-1550 (fax)
Indiana Department of Environmental Management
P.O. Box 6015
Indianapolis, IN 46206-6015
(317) 232-8603 (phone)
(317) 233-6647 (fax)
Disposal Practices and Applicable Regulations
The oil and gas rules administered by the Division of Oil and Gas are contained in Rules 1 through 5 of Article 16 of Title 312 of the Indiana Administrative Code (IAC). The environmental protection rules of the Indiana Department of Environmental Management have been promulgated in Titles 326 through 329 of the Indiana Administrative Code (IAC).
- In addition to Class II well permitting requirements and performance standards, special rules apply to mud pits and disposal of waste liquids.
- Permit Application. As part of the permit application (312 IAC 16-3-2), the survey for Class II wells must show all existing and plugged wells within 1/4 mile of the proposed injection well. The proposal must meet the well construction requirements, including surface and production casing standards (312 IAC 16-5-9).
- Mud Pits (312 IAC 16-5-12). Upon completion of a well, necessary mud circulation and reserve pits must be filled and leveled, and the surface shall be restored as practically possible.
- Disposal of Waste Liquids (312 IAC 16-5-13). All fluid disposal operations must be approved by the Division of Oil and Gas. Evaporation pits are prohibited. Pits in connection with Class II wells may be authorized if they meet certain design, location, and operating requirements.