For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BEST MANAGEMENT PRACTICES (BMPs): Schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to prevent or reduce the other permit conditions).
CONTROL MEASURE: As used refers to any Best Management Practice or other method used to prevent or reduce the discharge of pollutants to waters of the state.
CWA or THE ACT: The Clean Water Act (formerly referred to as the Federal Water Pollution Control Act or Federal Water Pollution Control Act Amendments of 1972 and Oklahoma).
DIRECTOR: The Executive Director or Chief Administrator of the Department of Environmental Quality or an authorized representative.
DISCHARGE: When used without a qualifier, refers to “discharge of a pollutant” as defined at 40 CFR § 122.2.
ILLICIT CONNECTION: Any man-made conveyance connecting an illicit discharge directly to a municipal separate storm sewer.
ILLICIT DISCHARGE: Defined at 40 CFR § 122.26(b)(2) and refers to any discharge to a municipal separate storm sewer that is not entirely composed of storm water, except discharges authorized under an OPDES or NPDES permit (other than the OPDES permit for discharges from the MS4) and discharges resulting from fire-fighting activities.
INFALL: A place where storm water from another MS4 enters our city limits.
LAND DISTURBING ACTIVITY: Refers to any land change which may result in soil erosion from water and wind and the movement of sediments into community waters or onto lands and roadways within the community, including, but not limited to, clearing, dredging, grading, excavating, transporting, storing, stockpiling, mining, disposing, and filling of soil, earthen materials, or land.
LAND DISTURBING PERMIT: Required for development activities on parcels over one acre in size that have the potential to become storm water program violations.
MEP: An acronym for “Maximum Extent Practicable,” the technology-based discharge standard for municipal separate storm sewer systems to reduce pollutants in storm water discharges that was established by CWA § 402(P). A discussion of MEP as it applies to MS4s is found at 40 CFR § 122.34.
MS4: An acronym for “Municipal Separate Storm Sewer System” and is used to refer to either a large, medium, or small municipal separate storm sewer system. The term is used to refer to either the system operated by a single entity or a group of systems within an area that are operated by multiple entities {e.g., the Oklahoma City MS4 includes MS4s operated by Oklahoma City, the Oklahoma Department of Transportation, and others).
MUNICIPAL SEPARATE STORM SEWER SYSTEM: Defined at 40 CFR § 122.26(b)(8) and means a conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, manmade channels, or storm drains): (i) owned or operated by a state, city, town, borough, county, parish, district, association, or other public body (created by or pursuant to state law) having jurisdiction over disposal of sewage, industrial wastes, storm water, or other wastes, including special districts under state law such as a sewer district, flood control district or drainage district, or similar entity, or an Indian tribe or an authorized Indian tribal organization, or a designated and approved management agency under § 208 of the CWA that discharges to waters of the United States; (ii) designed or used for collecting or conveying storm water; (iii) which is not a combined sewer; and (iv) which is not part of a Publicly Owned Treatment Works (POTW) as defined at 40 CFR § 122.2.
NOI: An acronym for “Notice of Intent” to be covered by this permit and is the mechanism used to register for coverage under a general permit.
NPDES: An acronym for National Pollution Discharge Elimination System.
OPDES: An acronym for Oklahoma Pollution Discharge Elimination System.
OUTFALL: A place where storm water from our MS4 leaves the Harrah city limits.
RECHARGE AREA: An area where storm water drains into groundwater and resurfaces as a spring or flows to a well.
STORMWATER: Defined at 40 CFR § 122.26(b) (13) and means storm water runoff, snow melt runoff, and surface runoff and drainage.
STORMWATER MANAGEMENT PROGRAM: Refers to a comprehensive program to manage the quality of storm water discharged from the municipal separate storm sewer system.
SWMP: An acronym for “Storm water Management Program”.
SWP3: An acronym for Storm Water Pollution Prevention Plan.
WATERSHED: Area of land that drains to a river or lake.(Ord. 2019-6, 5-3-2019)