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.
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.
Soil means all unconsolidated mineral and organic material of any origin.
Navigable waters ’ means the waters of the United States, including the territorial sea;
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.
Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters
Water Surface Elevation (WSE means the height, in relation to mean sea level, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.
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.
Remediation waste management site means a facility where an owner or operator is or will be treating, storing or disposing of hazardous remediation wastes. A remediation waste management site is not a facility that is subject to corrective action under § 264.101 of this regulation, but is subject to corrective action requirements if the site is located in such a facility.
Surface water means all water which is open to the atmosphere and subject to surface runoff.
impermeable surface means a surface or pavement constructed and maintained to a standard sufficient to prevent the transmission of liquids beyond the pavement surface, and should be read in conjunction with the term “sealed drainage system” (below).
Underground mining means all methods of mining other than surface mining.
Constructed wetlands means areas intentionally designed and created to emulate the water quality improvement function of wetlands for the primary purpose of removing pollutants from stormwater.
Water closet means a closet which has a separate fixed receptacle connected to a drainage system and separate provision for flushing from a supply of clean water either by the operation of mechanism or by automatic action;
Underground area means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.
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 well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.
Covered Species means the species for which the Bank has been established and for which Credits have been allocated as set forth in Exhibit F-1.
Underground tank means a device meeting the definition of tank whose entire surface area is totally below the surface of and covered by the ground.
Stormwater management basin means an excavation or embankment and related areas designed to retain stormwater runoff. A stormwater management basin may either be normally dry (that is, a detention basin or infiltration basin), retain water in a permanent pool (a retention basin), or be planted mainly with wetland vegetation (most constructed stormwater wetlands).
Submerged lands means those lands which are inundated by water on a seasonal or more frequent basis.
Underground storage means storage of hazardous liquid in a subsurface stratum or formation of the earth.
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.
Underground source of drinking water means an aquifer or its portion:
Aquifer means a geologic formation, group of formations, or part of a formation capable of yielding a significant amount of groundwater to wells or springs.
Potable means water suitable for drinking by the public.