(a) In addition to the requirements in W.S. 35-11-301(a), no person shall: - (i) Conduct any authorized injection activity in a manner that results in a violation of any permit condition or representations made in the application, the request for coverage under the general permit, individual permit, or permit by rule. A permit condition supersedes any application content.
- (ii) Construct, install, modify or improve an authorized injection facility except in compliance with the permit requirements.
(b) All Class IV wells are prohibited.
(c) Requirements for Class I Wells: - (i) No person shall conduct any authorized injection activity in a manner that results in a movement of fluids out of the receiver, including, but not limited to:
- (A) No zone or interval other than that represented as the discharge zone in the permit shall be used as a receiver for the discharge.
- (B) No uncased hole may be used as a conduit for the discharge, excepting that portion of a hole in the discharge zone.
- (C) No annular space between the wall of the hole and casing in the hole may be used as a conduit for the discharge, excepting in that portion of a hole in the discharge zone.
- (ii) No solvent wastes which are listed hazardous waste numbers F001, F002, F003, F004, or F005 under 40 CFR 261.31 shall be injected underground in any Class I well unless those wastes are waste solvent mixtures that do not exceed or are treated to not exceed the standards listed in Appendix A.
- (iii) No dioxin containing wastes which are listed hazardous waste number F020, F021, F022, F023, F026, F027 or F028 under 40 CFR 261.31 shall be injected underground in any well unless those wastes do not exceed, or are treated to not exceed the standards listed in Appendix B.
- (iv) Treatment to meet appendix A or B limitations shall be accomplished according to a state hazardous waste treatment permit issued by the department. Dilution is prohibited as a substitute for treatment of wastes listed in subsections paragraphs (ii) and (iii) above.
- (v) No person shall inject any hazardous waste which has been banned from land disposal pursuant to 40 CFR 268.41 or department regulations, as applicable, unless:
- (A) The hazardous waste has first been treated to a concentration of less than the levels specified in 40 CFR 268.41 or 40 CFR 268 Appendix I, or department regulations, as applicable.
- (B) An exemption petition has been submitted and approved by the U.S. Environmental Protection Agency under 40 CFR 148.20, or department regulations, as applicable. After approval of such a petition, the operator is required to comply with all conditions contained as part of the granting of the petition.
(d) Requirements for Class V Wells: - (i) No person shall discharge to any zone except the authorized discharge zone as described in the permit.
- (ii) The construction of any Class 5C4 facility after the effective date of these regulations is prohibited.
- (iii) No person shall inject any hazardous waste which has been banned from land disposal pursuant to Chapter 1, Wyoming Hazardous Waste Rules and Regulations unless the disposal conforms to that chapter.
- (iv) No drainage facility, subclass 5D1 through 5D5 shall be constructed so as to directly receive any waste other than natural precipitation or natural groundwater unless permitted under an individual permit.
- (v) No heating and cooling facility, subclass 5A1 through 5A3, shall be constructed so as to receive any waste other than cooling water. No corrosion inhibitors, scale inhibitors, biocides, antifreeze agents, salts, or refrigerants shall be added to the water prior to injection.
- (vi) No abandoned drinking water well shall be used as a disposal well unless it can be demonstrated that the waste being disposed of will leave the class of use of the affected groundwater unchanged. The class of use referred to is determined under Water Quality Rules and Regulations, Chapter 8 Quality Standards for Wyoming Ground Waters.
- (vii) No wastewater produced by electric power generation from geothermal fluids shall be disposed of in any Class V injection facility. Such wells are Class I injection wells and are covered by regulations in this chapter.
- (viii) No wastewater produced by recovery of brines and extraction of halogens shall be disposed of in any Class V injection facility. Such wells are Class I injection wells and are covered by regulations in this chapter.
- (ix) No person shall construct and/or operate any cesspool after April 14, 1998. No Class V facility which receives domestic sewage shall be constructed and/or operated after April 14, 1998 unless the waste is first treated in a septic tank, or other pre-treatment device. Prior to closure of any cesspool, the operator shall notify the administrator thirty (30) days in advance.
- (x) The operation of any Class V septic system with liquid waste visible on the ground surface shall be considered a failure of the system and a violation of these regulations.
- (xi) An operator of a facility which is authorized by rule is prohibited from injection into the facility:
- (A) Upon failure to submit inventory information prior to construction for facilities constructed after April 14, 1999.
- (B) Upon failure to comply with a request for information under Section 11(e) of this chapter.
- (xii) Pumping domestic sewage out of any Class V facility for any use other than disposal to an approved facility is prohibited.
020-27 Wyo. Code R. § 27-20