Okla. Admin. Code § 35:45-1-2
The following words and terms, when used in this Subchapter, shall have the following meaning, unless the context clearly indicates otherwise:
"303" means Section 303 of the CWA, which requires states to review and, as necessary, revise their water quality standards at least every three (3) years.
"402" means Section 402 of the CWA, which establishes the National Pollutant Discharge Elimination System (NPDES).
"AgPDES" means Agriculture Pollutant Discharge Elimination System, as authorized by Oklahoma Agriculture Pollutant Discharge Elimination System Act, 2 O.S. § 2A-1 et seq.
"Animal Feeding Operation" means a lot or facility where the following conditions are met:
"Animal Waste" means animal excrement, animal carcasses, feed wastes, process wastewaters, or any other waste associated with the confinement of animals from an animal or poultry feeding operation.
"Appendix F" means Appendix F of the OWQS, OAC 785:45, which has the statistical values of historic data for TDS, chloride, and sulfate for streams in most of the watersheds across the state.
"Background" means the ambient level of a pollutant relative to a potential source of pollution, and which is characterized by upstream (to the source being investigated) concentrations of a pollutant for surface waters or hydraulically upgradient concentrations for groundwater.
"BMP" means Best Management Practices, which are schedules of activities, prohibitions on practices, maintenance procedures, and other management practices to prevent or reduce the pollution of waters of the state.
"CAFO" means Concentrated Animal Feeding Operation, as defined by the Oklahoma Concentrated Animal Feeding Operations Act, 2 O.S. § 20-41(B)(11).
"CPP" means the Continuing Planning Process document, submitted by the state to EPA, which describes present and planned water quality management programs and the strategy used by the State in conducting these programs. Information on how the state utilizes the WQS and WQS Implementation Criteria are contained in this document.
"CWA" means the federal Clean Water Act and amendments.
"CWAC" as defined in OAC 785:45, means Cool Water Aquatic Community, a subcategory of the beneficial use category "Fish and Wildlife Propagation" where the water quality, water temperature and habitat are adequate to support warm water intolerant climax fish communities and includes an environment suitable for the full range of cool water benthos.
"DEQ" means the Oklahoma Department of Environmental Quality.
"Discharge" means any release by leaking, pumping, pouring, emitting, emptying, dumping, escaping, seeping, leaching, or other means of release of wastes or wastewater except as otherwise provided in Section 9-204.1 of Title 2 of the Oklahoma Statutes. The term discharge shall not include a distribution of waste water into an irrigation system for the purpose of land application of waste to property, provided the waste does not leave the land application area.
"EPA" means the federal Environmental Protection Agency.
"Fish and Wildlife Propagation" means the WQS beneficial use designation for promoting fish and wildlife propagation for the fishery classifications of HLAC, WWAC, CWAC, and Trout Fishery (Put and Take).
"Fish Consumption" means the WQS beneficial use designation for the protection of human health for the consumption of fish.
"HLAC" as defined in OAC 785:45, means Habitat-Limited Aquatic Community, a subcategory of the beneficial use category "Fish and Wildlife Propagation" where the water chemistry or habitat are not adequate to support a warm water aquatic community (WWAC).
"HQW" means High Quality Water, defined as those waters of the state which possess existing water quality which exceeds that necessary to support the propagation of fishes, shellfishes, wildlife, and recreation in and on the water. HQWs must receive special protection against degradation.
"Land Application" means the application of substances including animal waste and other substances to the land, at approved rates within the capacity of the land or crops.
"LMFO" means a Licensed Managed Feeding Operation, as defined by the Oklahoma Swine Feeding Operations Act at 2 O.S. § 20-3(B)(18).
"MDL" means the Method Detection Limit and is defined as the minimum concentration of an analyte that can be measured and reported with 99% confidence that the analyte concentration is greater than zero. MDL is dependent upon the analyte of concern.
"NOI" means Notice of Intent.
"Nonpoint Source" means a source of pollution without a well defined point of origin or a single identifiable source such as an outfall pipe, often involving overland flow of pollutants with storm water or subsurface flow of pollutants with groundwater over a wide area.
"NPDES" means the National Pollutant Discharge Elimination System, as authorized by Section 402 of the CWA.
"Nutrient-Limited Watershed" means a watershed of a water body that is designated as nutrient limited in the most recent Oklahoma Water Quality Standards.
"Nutrient-Vulnerable Groundwater" means groundwater that is designated nutrient-vulnerable in the most recent Oklahoma Water Quality Standards.
"OAC" means Oklahoma Administrative Code.
"ODAFF" means the Oklahoma Department of Agriculture, Food, and Forestry.
"ORW" means Outstanding Resource Water, defined as a water of the state that constitutes an outstanding resource or is of exceptional recreational or ecological significance. ORWs must receive special protection against degradation.
"O.S." means Oklahoma Statutes.
"OWRB" means the Oklahoma Water Resources Board.
"PBCR" means Primary Body Contact Recreation, a WQS beneficial use designation.
"Plan" means the Water Quality Standards Implementation Plan, or portion thereof, promulgated by ODAFF in this chapter for the programs that affect water quality within ODAFF's jurisdictional areas of environmental responsibility.
"Point Source" means any discernible, confined and discrete conveyance from which pollutants are or may be discharged such as a discharge pipe (see also definition in OAC 785:45).
"Poultry Feeding Operation" means a property or facility where the following conditions are met:
"PPP" means Pollution Prevention Plan and is a written plan to control the discharge of pollutants that has been prepared in accordance with industry acceptable engineering and management practices.
"PQL" means Practical Quantitation Limit and is defined as 5 times the MDL. The PQL represents a practical and routinely achievable detection limit with high confidence.
"PPWS" means Public and Private Water Supply, a WQS beneficial use designation for the protection of human health for the consumption of water and consumption of fish and water.
"Remediation" means the removal of pollutants from soil or water by absorption, excavation, pumping, natural attenuation, biological, chemical, or other means or combination of methods.
"Scenic River" means a river or stream so designated pursuant to the Wild and Scenic Rivers Act. A scenic river is automatically considered an ORW.
"Silviculture" means the art and science of controlling the establishment, composition, and growth of forests.
"SWS" means Sensitive Public and Private Water Supply.
"TMDL" means Total Maximum Daily Load, a written, pollutant-specific and water body-specific plan establishing pollutant loads for point and nonpoint sources, incorporating safety reserves, to ensure that a specific water body will attain and maintain the water quality necessary to support existing and designated beneficial uses. The term also includes consideration of increases in pollutant loads.
"UAA" means Use Attainability Analysis, an investigation by OWRB of whether a WWAC or CWAC subcategorization (for the Fish and Wildlife Propagation beneficial use) is reasonably attainable.
"USAP" means Use Support Assessment Protocols, defining how sampling and other data shall be used to determine whether or not a water body is meeting its beneficial uses, as defined at OAC 785:46, Subchapter 15.
"USDA NRCS" means the United States Department of Agriculture Natural Resources Conservation Service.
"USGS" means the United States Geological Survey.
"Waters of the State" means all streams, lakes, ponds, marshes, watercourses, waterways, wells, springs, irrigation systems, drainage systems, storm sewers and all other bodies or accumulations of water, surface and underground, natural or artificial, public or private, which are contained within, flow through or border upon this state or any portion thereof, and shall include under all circumstances the waters of the United States which are contained within the boundaries of, flow through or border upon this state or any portion thereof. Provided, waste treatment systems, including treatment ponds and lagoons designed to meet federal and state requirements other than cooling ponds as defined in the federal Clean Water Act or promulgated rules, are not waters of the state.
"WQS (or OWQS)" means the Oklahoma Water Quality Standards, established pursuant to Section 303 of the CWA, and which serve as goals for water quality management planning and benchmark criteria for the NPDES/OPDES permitting process. Water Quality Standards consist of beneficial use classifications for navigable waters, water quality criteria to support those uses, and an antidegradation policy statement. Oklahoma's Water Quality Standards are found at OAC 785:45.
"WQSIP" means Water Quality Standards Implementation Plan.
"WWAC" as defined in OAC 785:45, means Warm Water Aquatic Community, a subcategory of the beneficial use category "Fish and Wildlife Propagation" where the water quality and habitat are adequate to support climax fish communities and includes an environment suitable for the full range of warm water benthos.
Okla. Admin. Code § 35:45-1-2