020-13 Wyo. Code R. § 13-17
(a) The operator of any Class I well shall demonstrate and maintain financial responsibility and resources to close, plug, abandon and maintain post-closure care for the under ground injection operation in a manner prescribed by the administrator. The permittee shall show evidence of such financial responsibility to the administrator by the submission of a surety bond, or other adequate assurance such as financial statements or other materials acceptable to the administrator.
(b) The amount of the funds available shall be no less than the amount identified as the estimated cost of plugging, abandoning, and post-closure care.
(c) The obligation to maintain financial responsibility survives the termination of a permit or the cessation of injection. The requirements to maintain financial responsibility is enforceable regardless of whether the requirement is a condition of the permit.
(d) After plugging operations are completed, the amount of the financial surety required may be reduced by the administrator to the estimated cost of post-closure care.
(e) The owner or operator of a well injecting hazardous waste must comply with the financial responsibility requirements of 40 CRF 144 Subpart F.
020-13 Wyo. Code R. § 13-17