Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 28 - STANDARDS FOR ISSUING PERMITS FOR COMMERCIAL OILFIELD WASTE DISPOSAL FACILITIES
Section 28-4 - Definitions

Universal Citation: WY Code of Rules 28-4

Current through September 21, 2024

(a) The definitions in this Section supplement those definitions contained in W.S. § 35-11-103 of the Wyoming Environmental Quality Act.

(b) "Commercial oilfield waste disposal facility" (COWDF) means a facility that:

(i) Receives or has received produced water, exempt exploration and production waste, or non-hazardous non-exempt wastes approved by the Department, for treatment, storage, or disposal in pits, evaporation ponds, or surface impoundments; and

(ii) Receives or has received produced water, exploration and production waste, or other approved wastes from persons other than the owners and operators of the facility.

(c) "Exempt exploration and production (E&P) waste(s)" means drilling fluids, produced waters, and other wastewater associated with the exploration, development, or production of crude oil, natural gas or geothermal energy that are solid wastes but that are not identified as hazardous wastes under 40 CFR § 261.4(b)(5).

(d) "Groundwater" means subsurface water that fills available openings in rock or soil materials such that they may be considered water saturated under hydrostatic pressure.

Disclaimer: These regulations may not be the most recent version. Wyoming may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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