Definitions.
"Best management practices (BMPS)"means the best practical and economically achievable measures to control the addition of pollutants to the waters of the United States through the application of pollution control practices, technologies, processes, siting criteria, management activity, operating methods or other alternatives.
"Drainage area management plan (DAMP)"means Orange County's 2003 DAMP and incorporates the fourth term permit requirements and is the principal policy and guidance document for the countywide NPDES storm water program.
"General construction permit"means the NPDES general permit for storm water discharges associated with construction activity. (State Water Resources Control Board Order No. 2010-0014 DWQ, NPDES General Permit No. CAS000002 or its subsequent replacement.)
"General industrial permit"means the NPDES general permit for storm water discharges associated with industrial activity. (State Water Resources Control Board Order No. 97-03-DWQ, NPDES General Permit No. CAS000001 or its subsequent replacement).
"General permit"means Order No. R8-2009-0030 (NPDES No. CAS618030) of the Santa Ana Regional Water Quality Control Board covering areawide urban storm water runoff in Orange County. The city of Fountain Valley is a co-permittee to the permit.
"Local implementation plan (LIP)"means the city of Fountain Valley's specific document that details how the storm water programs within the DAMP are implemented within its jurisdiction.
"National Pollutant Discharge Elimination System (NPDES)"is a provision of the Clean Water Act, Section 402 that identifies municipal storm water as a point source subject to regulation under the NPDES permits. The NPDES storm water program was designed by the Orange County permittees for compliance with the NPDES. The city of Fountain Valley, as a permittee, is responsible for the implementation of the program within its jurisdiction.
"New development"is defined as projects that create ten thousand square feet or more of impervious surface (collectively over the entire project site) including commercial, industrial, residential housing subdivisions (i.e., detached housing family home subdivisions, multi-family attached subdivisions (town homes), condominiums, apartments, etc.), mixed-use, and public projects. This category includes development projects on public or private land, which fall under the planning and building authority of the permittees.
"Parking lot'is defined as a land area or facility for the temporary storage of motor vehicles.
"Significant redevelopment"is defined as projects that include the addition or replacement of five thousand square feet or more of impervious surface on a developed site. Redevelopment does not include routine maintenance activities that are conducted to maintain original line and grade, hydraulic capacity, original purpose of the facility, or emergency redevelopment activity required to protect public health and safety. Where redevelopment results in the addition or replacement of less than fifty percent of the impervious surfaces of a previously existing developed site, and the existing development was not subject to WQMP requirements, the numeric sizing criteria discussed below applies only to the addition or replacement, and not to the entire developed site. Where redevelopment results in the addition or replacement of more than fifty percent of the impervious surfaces of a previously existing developed site, the numeric sizing criteria applies to the entire development.