Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 24 - Class VI Injection Wells and Facilities Underground Injection Control Program
Section 24-11 - Prohibitions

Universal Citation: WY Code of Rules 24-11

Current through September 21, 2024

(a) Pursuant to the provisions of W.S. § 35-11-301(a), no person shall:

(i) Discharge into, construct, operate, or modify any Class VI well unless permitted pursuant to this Chapter;

(ii) Discharge or inject to any zone except the authorized injection zone as described in the permit;

(iii) Conduct any injection activity in a manner that results in a violation of any permit condition or that conflicts with any representations made in a permit application;

(iv) Construct, operate, maintain, convert, plug, abandon, or conduct any other injection activity in a manner that allows the movement of fluid containing any contaminant into underground sources of drinking water, if the presence of that contaminant may cause a violation of any primary drinking water regulation contained in 40 C.F.R. Part 141, Subparts E, F, and G, or may otherwise adversely affect human health, safety, or the environment. The applicant for a permit shall have the burden of showing that the requirements of this paragraph are met.

(v) Inject any hazardous waste that has been banned from land disposal pursuant to Wyoming Hazardous Waste Rules, Chapter 1;

(vi) Construct a new, operate an existing, or maintain an existing Class V well for non-experimental geologic sequestration

(b) Class VI wells shall inject only to receivers classified by the Department pursuant to Water Quality Rules and Regulations, Chapter 8, as Class V (Hydrocarbon Commercial) or Class VI groundwaters. No Class VI well shall inject to any Class I, Class II, Class III, Class IV, or unclassified groundwaters.

(c) The Administrator shall designate and protect as underground sources of drinking water, all aquifers and parts of aquifers that meet the definition of "underground source of drinking water" in Section 2 of this Chapter, except to the extent there is expansion to the areal extent of an existing Class II enhanced oil recovery or enhanced gas recovery aquifer exemption for the exclusive purpose of Class VI injection for geologic sequestration under Section 16 of this Chapter.

(i) The Administrator may identify underground sources of drinking water by narrative description, illustrations, maps, or other means.

(ii) Other than EPA-approved aquifer exemption expansions that meet the requirements of Section 16 of this Chapter, new aquifer exemptions shall not be issued for Class VI injection wells. Even if an aquifer has not been specifically identified by the Administrator, it is an underground source of drinking water if it meets the definition in Section 2 of this Chapter.

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