Not sure what certain terms mean? See below.


“Assessor” means the County of Los Angeles Office of the Assessor.


“Auditor-Controller” means the Auditor-Controller of the County of Los Angeles.


“Board” means the Los Angeles County Board of Supervisors, acting as the governing body of the Los Angeles County Flood Control District.

Census Block Group

“Census Block Group” means, as defined by the United States Census Bureau, a statistical division of census tracts, which are generally defined to contain between six hundred (600) and three thousand (3,000) people, and are used to present data and control block numbering. A Census Block Group consists of clusters of blocks within the same census tract. Each census tract contains at least one (1) Census Block Group and each Census Block is uniquely numbered within the census tract.

Chief Engineer

“Chief Engineer” means the Chief Engineer of the District or their authorized deputy, agent, or representative.

Community Investment Benefit

“Community Investment Benefit” means a benefit created in conjunction with a Project or Program, such as, but not limited to: improved flood management, flood conveyance, or flood risk mitigation; creation, enhancement or restoration of HOA.102283816.1 4 parks, habitat or wetlands; improved public access to waterways; enhanced or new recreational opportunities; and greening of schools. A Community Investment Benefit may also include a benefit to the community derived from a Project or Program that improves public health by reducing heat island effect, and increasing shade or planting of trees and other vegetation that increase carbon reduction/sequestration, and improve air quality.


“County” means the County of Los Angeles.

Disadvantaged Community

“Disadvantaged Community” (“DAC”) means a Census Block Group that has an annual median household income of less than eighty percent (80%) of the Statewide annual median household income (as defined in Water Code section 79505.5).

Disadvantaged Community (DAC) Benefit

“Disadvantaged Community (DAC) Benefit” means a Water Quality Benefit, Water Supply Benefit, and/or Community Investment Benefit located in a DAC or providing benefits directly to a DAC population.


“District” means the Los Angeles County Flood Control District.

District Program 

“District Program” means that part of the SCW Program described in Section 16.05.B. of this Chapter.

Feasibility Study

“Feasibility Study” means a detailed technical investigation and report that is conducted to determine the feasibility of a proposed Project.

Impermeable Area 

“Impermeable Area” means a Parcel area covered by materials or constructed surfaces such as buildings, roofs, paved roadways, sidewalks, driveways, parking lots, brick, asphalt, concrete, pavers, covers, slabs, sheds, pools, and other HOA.102283816.1 5 constructed surfaces or hardscape features. Impermeable Areas do not include permeable surfaces such as vegetated areas, grasses, bushes, shrubs, lawns, bare soil, tree canopy, natural water bodies, wetland areas, gravel, gardens and planters on bare soil, rocky shores, and other natural areas.

Infrastructure Program Project Applicant

“Infrastructure Program Project Applicant” means any individual, group, business or governmental entity, including, but not limited to, a Municipality, public utility, special district, school, community-based organization, non-governmental organization, non-profit organization, federally-recognized Indian tribe, State Indian tribe listed on the Native American Heritage Commission’s California Tribal Consultation List, or mutual water company, that submits a proposed Project or Feasibility Study for consideration for funding by the SCW Program.

Infrastructure Program Project Developer

“Infrastructure Program Project Developer” means the individual, group or entity that carries out or causes to be carried out part or all of the actions necessary to complete a Project.

Multi-Benefit Project

“Multi-Benefit Project” means a Project that has: (1) a Water Quality Benefit, and (2) a Water Supply Benefit or a Community Investment Benefit, or both.

Municipal Program

“Municipal Program” means that part of the SCW Program described in Section 16.05.C. of this Chapter.


“Municipality” means a city within the District, or the County, pertaining to unincorporated areas within the District.

Nature-Based Solution

“Nature-Based Solution” means a Project that utilizes natural processes that slow, detain, infiltrate or filter Stormwater or Urban Runoff. These methods may HOA.102283816.1 6 include relying predominantly on soils and vegetation; increasing the permeability of Impermeable Areas; protecting undeveloped mountains and floodplains; creating and restoring riparian habitat and wetlands; creating rain gardens, bioswales, and parkway basins; and enhancing soil through composting, mulching, and planting trees and vegetation, with preference for native species. Nature-Based Solutions may also be designed to provide additional benefits such as sequestering carbon, supporting biodiversity, providing shade, and improving quality of life for surrounding communities. Nature-Based Solutions include Projects that mimic natural processes, such as green streets, spreading grounds and planted areas with water storage capacity.


“Parcel” means a parcel of real property situated within the District, as shown on the latest equalized assessment roll of the County and identified by its Assessor’s Parcel Number, and that is tributary to a receiving water identified in the Water Quality Control Plan for the Los Angeles Region in effect as of January 1, 2018. Parcel shall not include a possessory interest based on a private, beneficial use of government-owned real property.


“Program” means a planned, coordinated group of activities related to increasing Stormwater or Urban Runoff capture or reducing Stormwater or Urban Runoff pollution in the District.


“Project” means the development (including design, preparation of environmental documents, obtaining applicable regulatory permits, construction, inspection, and similar activities), operation and maintenance, of a physical structure or HOA.102283816.1 7 facility that increases Stormwater or Urban Runoff capture or reduces Stormwater or Urban Runoff pollution in the District.

Regional Oversight Committee (ROC)

“Regional Oversight Committee (ROC)” means a body created by the Board whose responsibilities include, but are not limited to, assessing whether the SCW Program purposes are being achieved.

Regional Program

“Regional Program” means that part of the SCW Program described in Section 16.05.D. of this Chapter.

Safe Clean Water (SCW) Program

“Safe Clean Water (SCW) Program” means the program established by this ordinance, including the administration of revenues from the Special Parcel Tax levied pursuant to this ordinance, and the criteria and procedures for selecting and implementing Projects and Programs and allocating revenues among the Municipal, Regional, and District Programs.

Special Parcel Tax

“Special Parcel Tax” means the tax described in Section 16.08 of this Chapter.


“Stakeholder” means a person; Municipality; citizens’ group; homeowner or other property owner; business; non-governmental organization; social justice group; health advocate; local park representative; school board member; environmental group; labor union; academic institution; neighborhood council; town council; community group; water resources agency, such as a groundwater pumper or manager, or private or public water agency; other governmental agency; or other interested party that has a direct or indirect stake in the SCW Program.


“Stormwater” means water that originates from atmospheric moisture (rainfall or snowmelt) and falls onto land, water or other surfaces.

Surface Water

“Surface Water” means water that flows or collects on the surface of the ground.


“Treasurer” means the Treasurer and Tax Collector of the County of Los Angeles.

Urban Runoff

“Urban Runoff” means Surface Water flow that may contain, but is not composed entirely of, Stormwater, such as flow from residential, commercial, or industrial activities.

Water Quality Benefit

“Water Quality Benefit” means a reduction in Stormwater or Urban Runoff pollution, such as improvements in the chemical, physical, and biological characteristics of Stormwater or Urban Runoff in the District. Activities resulting in this benefit include, but are not limited to: infiltration or treatment of Stormwater or Urban Runoff, non-point source pollution control, and diversion of Stormwater or Urban Runoff to a sanitary sewer system.

Water Supply Benefit

“Water Supply Benefit” means an increase in the amount of locally available water supply, provided there is a nexus to Stormwater or Urban Runoff capture. Activities resulting in this benefit include, but are not limited to, the following: reuse and conservation practices, diversion of Stormwater or Urban Runoff to a sanitary sewer system for direct or indirect water recycling, increased groundwater replenishment or available yield, or offset of potable water use.

Watershed Area

“Watershed Area” means the regional hydrologic boundaries as depicted on maps maintained by the District for the SCW Program, that are established in consideration of topographic conditions and other factors.

Watershed Area Steering Committee

“Watershed Area Steering Committee” means a body created by the Board, one for each Watershed Area, whose responsibilities include programming funding for the Regional Program.