Hydric Soil: A soil that is saturated, flooded, or ponded long enough during the growing season to develop anaerobic conditions that favor the growth and regeneration of hydrophytic vegetation.

Hydrology, hydrologic: The study of the physical properties of water movement near the earth’s surface, and factors pertaining to water movement (USFWS 2009).

Impermeable, Impervious Surface: Surfaces that either prevent of retard the entry of water into the underlying soil, causing water to run off the surface in greater quantities or at an increased rate of flow than would occur under natural conditions prior to development.

Interagency: Indicates cooperation between or among two or more discrete agencies in regard to a specific program.

Intersection: Where two or more roads or a road and a freeway on/off ramp cross at grade.

Inundation: A condition in which water from any source temporarily or permanently covers a land surface.

Invasive: Reproducing or otherwise spreading rapidly and in large numbers in a habitat, often becoming dominant to the detriment other (usually native) species.

Invertebrates: Small organisms, such as clams and worms, that lack a spinal column. Many of these filter bottom sediments and water for food.

Jurisdictional Water of the United States: A water body that is under the regulatory jurisdiction of the U.S. Army Corps of Engineers (Corps) under the authority of the federal Clean Water Act. (40 CFR §122.2 (a-g)).

Lagoon: A wave-sheltered, semi-enclosed shallow water body derived from a tidal source such as a bay or ocean coastline. Unless otherwise specified, “lagoon” refers to the Brisbane Lagoon within the Baylands Project site.

Land Use: A description of how land is occupied or used.

Land Use Plan: A plan showing the proposed location, extent, and intensity of development of land to be used in the future for varying types of public and private purposes or combination of purposes.

Landscaping: Planting, including but not limited to, trees, shrubs, and ground covers which are suitably designed, selected, installed, and maintained to enhance a site or right- of-way.

Landslide: A general term for a falling or sliding mass of soil or rocks.

Leach: To pass out or through soil by water percolation. (SFEP 2007)