35-11-1415(a)(xi);

35-11-1415(a)(xi);

(xi) "Point source" means any discernible, confined and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation or vessel or other floating craft, from which pollutants are or may be discharged;

(xii) The singular includes the plural, the plural the singular, and the masculine and feminine or neuter, when consistent with the intent of this act and necessary to effect its purpose;

(xiii) "This act" means W.S. 35-11-101 through 35-11- 403, 35-11-405, 35-11-406, 35-11-408 through 35-11-1106, 35-11- 1414 through 35-11-1432, 35-11-1601 through 35-11-1613, 35-11- 1701, 35-11-1801 through 35-11-1803, 35-11-2001 through 35-11- 2004 and 35-11-2101.

(b) Specific definitions applying to air quality:

(i) "Air contaminant" means odorous material, dust, fumes, mist, smoke, other particulate matter, vapor, gas or any combination of the foregoing, but shall not include steam or water vapor;

(ii) "Air pollution" means the presence in the outdoor atmosphere of one (1) or more air contaminants in such quantities and duration which may be injurious to human health or welfare, animal or plant life, or property, or unreasonably interferes with the enjoyment of life or property;

(iii) "Clean Air Act" means the federal Clean Air Act of 1977, as amended by P.L. 101-549;

(iv) "Emission" means a release into the outdoor atmosphere of air contaminants;

(v) "Operating permit program" means the permitting program authorized by W.S. 35-11-203 through 35-11-212 implementing a state plan pursuant to the 1990 amendments to the Clean Air Act;

(vi) "Stationary source" means any building, structure, facility or installation which emits or may emit any air contaminant.

(c) Specific definitions applying to water quality:

(i) "Pollution" means contamination or other alteration of the physical, chemical or biological properties of any waters of the state, including change in temperature, taste, color, turbidity or odor of the waters or any discharge of any acid or toxic material, chemical or chemical compound, whether it be liquid, gaseous, solid, radioactive or other substance, including wastes, into any waters of the state which creates a nuisance or renders any waters harmful, detrimental or injurious to public health, safety or welfare, to domestic, commercial, industrial, agricultural, recreational or other legitimate beneficial uses, or to livestock, wildlife or aquatic life, or which degrades the water for its intended use, or adversely affects the environment. This term does not mean water, gas or other material which is injected into a well to facilitate production of oil, or gas or water, derived in association with oil or gas production and disposed of in a well, if the well used either to facilitate production or for disposal purposes is approved by authority of the state, and if the state determines that such injection or disposal well will not result in the degradation of ground or surface or water resources;  (ii) "Wastes" means sewage, industrial waste and all other liquid, gaseous, solid, radioactive, or other substances which may pollute any waters of the state;

(iii) "Sewerage system" means pipelines, conduits, storm sewers, pumping stations, force mains, and all other constructions, devices, appurtenances and facilities used for collecting or conducting wastes to an ultimate point for treatment or disposal;

(iv) "Treatment works" means any plant or other works used for the purpose of treating, stabilizing or holding wastes;

(v) "Disposal system" means a system for disposing of wastes, either by surface or underground methods, including sewerage systems, treatment works, disposal wells, and absorption fields;

(vi) "Waters of the state" means all surface and groundwater, including waters associated with wetlands, within Wyoming;

(vii) "Discharge" means any addition of any pollution or wastes to any waters of the state;

(viii) "Public water supply" means a system for the provision to the public of water for human consumption through pipes or constructed conveyances, if such system has at least fifteen (15) service connections or regularly serves at least twenty-five (25) individuals. Public water supply shall include:

(A) Any collection, treatment, storage and distribution facility under control of the operator of the facility and used primarily in connection with the system; and

(B) Any collection or pretreatment storage facilities not under the control of the operator which are used primarily in connection with the system.

(ix) "Small wastewater system" means any sewerage system, disposal system or treatment works having simple hydrologic and engineering needs which is intended for wastes originating from a single residential unit serving no more than four (4) families or which distributes two thousand (2,000) gallons or less of domestic sewage per day;  (x) "Wetlands" means those areas in Wyoming having all three (3) essential characteristics:

(A) Hydrophytic vegetation;

(B) Hydric soils; and

(C) Wetland hydrology.

(xi) "Compensatory mitigation" means replacement, substitution or enhancement of ecological functions and wetland values to offset anticipated losses of those values caused by filling, draining or otherwise damaging a wetland;

(xii) "Ecological function" means the ability of an area to support vegetation and fish and wildlife populations, recharge aquifers, stabilize base flows, attenuate flooding, trap sediment and remove or transform nutrients and other pollutants;

(xiii) "Mitigation" means all actions to avoid, minimize, restore and compensate for ecological functions or wetland values lost;

(xiv) "Natural wetlands" means those wetlands that occur independently of human manipulation of the landscape;

(xv) "Man-made wetlands" means those wetlands that are created intentionally or occur incidental to human activities, and includes any enhancement made to an existing wetland which increases its function or value;

(xvi) "Wetland value" means those socially significant attributes of wetlands such as uniqueness, heritage, recreation, aesthetics and a variety of economic values;

(xvii) "Community water system" means a public water supply that has at least fifteen (15) service connections used year-round by residents or that regularly provides water to at least twenty-five (25) residents year-round, including, but not limited to, municipalities and water districts;

(xviii) "Nontransient noncommunity water system" means a public water supply which is not a community water system and which regularly provides service to at least twenty- five (25) of the same persons for more than six (6) months of the year where those persons are not full-time residents, including, but not limited to, schools, factories and office buildings;

(xix) "Credible data" means scientifically valid chemical, physical and biological monitoring data collected under an accepted sampling and analysis plan, including quality control, quality assurance procedures and available historical data;

(xx) "Geologic sequestration" means the injection of carbon dioxide and associated constituents into subsurface geologic formations intended to prevent its release into the atmosphere;

(xxi) "Geologic sequestration site" means the underground geologic formations where the carbon dioxide is intended to be stored;

(xxii) "Geologic sequestration facilities" means the surface equipment used for transport, storage and injection of carbon dioxide.

(d) Specific definitions applying to solid waste management:

(i) "Solid waste" means garbage, and other discarded solid materials, materials, including solid waste materials resulting from industrial, commercial, and agricultural operations, and from community activities, but, unless disposed of at a solid waste management facility, does not include any of the following:

(A) Solids or dissolved material in domestic sewerage or other significant pollutants in water resources, such as silt, dissolved or suspended solids in industrial waste water effluents, dissolved materials in irrigation return flows or other common water pollutants;

(B) Liquids, solids, sludges or dissolved constituents which are collected or separated in process units for recycling, recovery or reuse including the recovery of energy, within a continuous or batch manufacturing or refining process;

(C) Agricultural materials which are recycled in the production of agricultural commodities;  (D) Post-use polymers and recovered feedstocks converted at an advanced recycling facility or held at an advanced recycling facility before conversion through an advanced recycling process.

(ii) "Solid waste management facility" means any facility for the transfer, treatment, processing, storage or disposal of solid waste, but does not include any of the following:

(A) Lands or facilities subject to the permitting requirements of article 3 of this act;

(B) Facilities which would have been subject to the permitting requirements of article 3 of this act if constructed after July 1, 1973;

(C) Any facility described under W.S.