Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.
Water table means the upper surface of a zone of saturation, where the body of ground water is not confined by an overlying impermeable zone.
Soil means all unconsolidated mineral and organic material of any origin.
Sediment means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.
Subsurface tracer study means the release of a substance tagged with radioactive material for the purpose of tracing the movement or position of the tagged substance in the well-bore or adjacent formation.
Potable means water suitable for drinking by the public.
Navigable waters ’ means the waters of the United States, including the territorial sea;
Subsurface Borings and Testing means borings, probings and subsurface explorations, laboratory tests and inspections of samples, materials and equipment; appropriate professional interpretations of all the foregoing.
Wildlife habitat means a surface water of the state used by plants and animals not considered as pathogens, vectors for pathogens or intermediate hosts for pathogens for humans or domesticated livestock and plants.
Underground source of drinking water means an aquifer or its portion:
Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.
Sedimentation means a process for removal of solids before filtration by gravity or separation.
Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters
Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.
Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.
Invasive plant species means species of plants not historically found in California that spread outside cultivated areas and can damage environmental or economic resources. Invasive species may be regulated by county agricultural agencies as noxious species. Lists of invasive plants are maintained at the California Invasive Plant Inventory and USDA invasive and noxious weeds database.
Accessible surface means surface of equipment or of an equipment part that can be easily or accidentally touched by persons without the use of a tool.
Topsoil means a varying depth (up to 300 mm) of the soil profile irrespective of the fertility, appearance, structure, agricultural potential, fertility and composition of the soil;
Wetlands or “wetland” means an area that is inundated or saturated by surface water or ground water at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions, commonly known as hydrophytic vegetation.
Stormwater runoff means water flow on the surface of the ground or in storm sewers, resulting from precipitation.
Transportation project or "project" means any or the
Impact surface means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of door frames.
Underground mining means all methods of mining other than surface mining.
Underground storage tank or “UST” means any one or combination of tanks (including underground pipes connected thereto) that is used to contain an accumulation of regulated substances, and the volume of which (including the volume of underground pipes connected thereto) is 10 percent or more beneath the surface of the ground. This term does not include any:
Water treatment plant means that portion of the water supply system which in some way alters the physical, chemical, or bacteriological quality of the water.
Species means any group of animals classified as a species or subspecies as commonly accepted by the scientific community.