Perched Groundwater definition

Perched Groundwater means groundwater held above the regional or main water table by a less permeable underlying earth or rock material. (Figure 240-1)
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Perched Groundwater means groundwater that occurs locally above the main body of groundwater, and is separated from it by discontinuous confining units.
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Examples of Perched Groundwater in a sentence

  • Perched Groundwater - Unconfined groundwater separated from an underlying main bodyof groundwater by an unsaturated zone.

  • Results of the perched groundwater investigation are summarized in the report Results of DEQ Requested Phase II Environmental Site Assessment of Perched Groundwater Zone (Mathiot & Associates, LLC, June 25, 2004).Three borings were drilled to determine the horizontal extent of the perched groundwater zone in the vicinity of existing well MW-4.

  • TCE was previously identified as a COC for the Perched Groundwater System.

  • The prevailing Party in any such action shall be entitled to recover from the other Party its attorneys' fees, costs and expenses incurred in connection with regard to such action.

  • These alternatives are described and analyzed in the Finding of No Significant Impact for the Environmental Assessment for the Proposed Perched Groundwater Corrective Measures, which was issued in FY 2007.

  • Results of DEQ Requested Phase II Environmental Assessment of Perched Groundwater Zone, Rivergate Reclamation (formerly Mt. Hood Metals) Facility, 9645 N.

  • Perched Groundwater – potential contaminants in the perched groundwater would likely be similar to those present in the soil, as discussed above.

  • An Update of Hydrologic Conditions and Distribution of Selected Constituents in Water, Eastern Snake River Plain Aquifer and Perched Groundwater Zones , Idaho National Laboratory, Idaho, Emphasis 2009-2011: U.S. Geological Survey Scientific Investigations Report 2013-5214.

  • Perched Groundwater Zone Further delineation of the perched groundwater zone will be conducted to the extent that additional data is needed to assist in locating extraction wells and determining pumping rates.

  • Hydrogeology of the Perched Groundwater Zone and Associated Seeps and Springs Near the White Mesa Uranium Mill Site, Blanding, Utah.INTERA 2009a.

Related to Perched Groundwater

  • 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.

  • Soil means all unconsolidated mineral and organic material of any origin.

  • 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.

  • Contaminated soil means soil that meets all of the following criteria:

  • 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.

  • 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.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Tanks has the meaning set forth in Section 4.12(b).

  • 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.

  • 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 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:

  • Underground mining means all methods of mining other than surface mining.

  • Underground storage means storage of gas in a subsurface stratum or formation of the earth.

  • 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 source of drinking water means an aquifer or its portion:

  • 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.

  • Geologically hazardous areas means areas that because of their susceptibility to erosion, sliding, earthquake, or other geological events, are not suited to the siting of commercial, residential, or industrial development consistent with public health or safety concerns.

  • 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;

  • Sampling means the distribution of samples to members of the general public in a public place.

  • Septage means the liquid and solid material pumped from a septic tank, cesspool, or similar domestic sewage treatment system, or from a holding tank, when the system is cleaned or maintained.

  • 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.

  • Contaminated site means a site where there is a confirmed presence, caused by man, of hazardous substances of such a level that they pose a significant risk to human health or the environment taking into account current and approved future use of the land;

  • chemical tanker means a ship constructed or adapted and used for the carriage in bulk of any liquid product listed in chapter 17 of the International Bulk Chemical Code;

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • 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.

  • Controlled dangerous substance means a drug, substance, or