Okla. Stat. tit. 27A, § 27A-2-6-701: Underground injection of hazardous and nonhazardous

liquids - Permit required - Water wells and holes to be constructed

or sealed to avoid pollution.

A. A permit issued by the Executive Director of the Department

of Environmental Quality shall be required for Class I, III, IV and

V injection wells pursuant to the federal Safe Drinking Water Act

and 40 CFR Parts 144 through 148, inclusive, except for:

1. Class V injection wells utilized in the remediation of

groundwater associated with underground and aboveground storage

tanks regulated by the Corporation Commission; and

2. Wells used for the recovery, injection or disposal of

mineral brines as defined in the Oklahoma Brine Development Act

regulated by the Corporation Commission.

B. All water wells, monitoring wells, unused water test wells

and water test holes used or capable of being used as sources of

domestic or public water supply shall be constructed, sealed or

plugged as required by the Department in a manner to avoid pollution

of water-bearing strata.