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For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
APPLICANT. A property owner or his/her agent who has filed an application for a permit.
BEST MANAGEMENT PRACTICES (BMPs). Schedules of activities, prohibitions of practices, maintenance procedures and other management practices to prevent and reduce the discharge of pollutants to the MS or waters of the United States. BMPs also include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage.
CITY. The City of Yuma, being in Yuma County, State of Arizona.
CONSTRUCTION. Any repair, construction, reconstruction, upgrading or enhancing of a structure, grading or landscaping that disturbs one or more acres of land in public or private development.
ENGINEER. The City Engineer or firm or person, and their properly authorized assistants and inspectors, designated by the city to prepare plans and administer the construction of work.
EROSION CONTROL DRAINAGE DESIGN MANUAL FOR MARICOPA COUNTY (ECDDM). The Manual in its latest amended form as an update/upgrade to the original Volume III Erosion Control of Drainage Design Manual (3 volume set) issued by the Flood Control District of Maricopa County, Arizona, in 1993.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4). City or publicly-owned facilities by which only stormwater is collected and/or conveyed, including but limited to any roads with drainage systems, municipal streets, gutters, curbs, inlets, forcemains, spillways, pipes, manholes, catch basins, pumping facilities, dry wells, wet wells, retention and detention basins, natural and human-made or altered drainage channels, reservoirs and other drainage structures. MS4s do not include combined sewer systems in which both sewage and stormwater are conveyed at the same lines.
NONPOINT SOURCE POLLUTION. Pollution from any source other than from any discernible, confined and discrete conveyances, and shall include, but not be limited to, pollutants from agricultural, silvicultural, mining, construction, subsurface disposal and urban runoff sources.
PERMIT. An official document or certificate issued by the city, which authorizes the performance of a specific construction work, demolition, repair, reconstruction, upgrading or enhancing of a structure, grading or landscaping or alteration of ground features to create certain improvements and structures and is subjected to the requirements of this chapter as defined in CONSTRUCTION above.
POST-CONSTRUCTION STORMWATER POLLUTION PREVENTION PLAN (SWPPP). A plan that is required by the city and includes site map(s), an identification of construction/contractor activities that could cause pollutants in the stormwater, and a description of measures or practices to control these pollutants. The SWPPP must contain a post-construction component, if required.
QUALIFIED STORMWATER PERSON. A person knowledgeable in the principles and practices of erosion and sediment controls and who possesses the skills to assess conditions at the site that could impact stormwater quality and the effectiveness of the BMPs selected to control the quality of stormwater discharges. Preferred to be a professional engineer registered in the State of Arizona, Certified Professional in Stormwater Quality (CPSWQ) or Certified Professional in Erosion and Sediment Control (CPESC) by the Certified Professional in Erosion and Sediment Control.
RECHARGE. The replenishment of underground water reserves.
REDEVELOPMENT. Any construction, alteration or improvement in which the total project's area is one or more acres.
SITE. A parcel of land or a contiguous combination thereof, where construction work is performed as a single, unified or phased operation.
WATERS OF THE UNITED STATES. All waters that are currently used, were used in the past, or may be susceptible to use in interstate or foreign commerce, including all waters subject to the ebb and flow of the tide. WATERS OF THE UNITED STATES include all interstate waters and intrastate lakes, rivers, streams (including intermittent streams), mudflats, sand flats, wetlands, sloughs, prairie potholes, wet meadows, playa lakes, or natural ponds.
(Ord. O2007-78, passed 12-19-07)