Subsurface drain definition

Subsurface drain means an underground conduit designed to permit infiltration for the purpose of collecting subsurface water.
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Subsurface drain means a trench constructed upgradient of an absorption area for the collection and diversion of water away from an absorption area.
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Subsurface drain means any open pipe, layer of gravel, stone or coarse sand, or any combination of these elements placed below the surface of the ground and designed or constructed in such a manner as to allow movement of ground water into any surface water body, water course or onto the surface of the ground.
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Examples of Subsurface drain in a sentence

  • Sub-surface drain lines shall not be placed in side lot or rear lot property lines unless approved by the City.

  • The figures presented below reflect longer-term data (15 to 20 years) through FY2013, whereas the tables generally provide data for the most recent five years, depending on the availability of data for the most recent fiscal year.

  • Subsurface drain outlet pipe may be perforated or nonperforated, and shall meet the requirements specified in subsections 707.04, 707.05, 707.07, or 712.11.

  • Subsurface drain tile meeting these conditions is not subject to the requirements and processes of this section.

  • Underground Outlet, USDA-NRCS-Iowa, Field Office Technical Guide, Section IV, Code No. 620, March 1991.12.76(7) Subsurface drain.

  • Subsurface drain tile located above the groundwater elevation and without evidence of groundwater flow within the tile may be connected to the municipal or regional storm sewer system if connected to a private storm sewer system and upon receipt of a Utility Connection Permit (Section 6).

  • Subsurface drain line breaks or other damages to subsurface drainage systems that occur within the Easement Area shall be corrected to the extent that such breaks are the result of pipeline construction.

  • Subsurface drain to intercept drain waterLongitudinal Drain Trenches and Pipes:If the soil is relatively pervious, longitudinal drainage trenches with drain pipe, backfilled with filter sand can be used.

  • Subsurface Drain Outlet Elevations Subsurface drain outlet pipes shall be a minimum of 300 mm above Q10 elevation.

  • Subsurface drain system shall include 3 inch or 4 inch diameter, perforated, schedule 40 PVC drain pipe, and clean out risers.


More Definitions of Subsurface drain

Subsurface drain means an underground conduit system (which may include one or more vertical water wells) made of various construction materials (e.g., tile) installed to collect unconfined ground waters and applied reclaimed waters or effluents, and provide conveyance to the treatment plant or discharge point; underdrain.
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Subsurface drain means an underground conduit designed to permit infiltration for the purpose of collecting subsurface water. "Subsurface water" means water beneath the surface of the ground.
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Subsurface drain means a tile installed with or without gravel in permeable soil to lower a seasonal or perched water table.
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Subsurface drain means an underground conduit system (which may include one or more vertical water wells) made of various construction materials (e.g., tile) installed to collect unconfined ground water and applied reclaimed water or effluents, and provide conveyance to the treatment plant or discharge point; underdrain.
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Subsurface drain means any perforated or open joint pipe or other constructed subsurface conveyance to which ground water discharges or in which “Groundwater” is collected and transported during any season of any year.
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Subsurface drain means any pipe or other subsurface conveyance to which groundwater is transported during any season of any year.
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Related to Subsurface drain

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

  • Mine drainage means any drainage, and any water pumped or siphoned, from an active mining area or a post-mining area. The abbreviation “ml/l” means milliliters per liter.

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

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

  • 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.

  • Surface mining means mining by removing the overburden lying above the natural deposits and excavating directly from the natural deposits exposed, or by excavating directly from deposits lying exposed in their natural state and shall include dredge operations conducted in or on natural waterways or artificially created waterways within the state.

  • Drainage means the removal of surface water or groundwater

  • 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.

  • Surface impoundment or "impoundment" means a facility or part of a facility which is a natural topographic depression, man-made excavation, or diked area formed primarily of earthen materials (although it may be lined with man-made materials), which is designed to hold an accumulation of liquid wastes or wastes containing free liquids, and which is not an injection well. Examples of surface impoundments are holding, storage, settling, and aeration pits, ponds, and lagoons.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • 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.

  • 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.

  • 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;

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

  • Area of shallow flooding means a designated AO or AH Zone on a community's Flood Insurance Rate Map (FIRM) with one percent or greater annual chance of flooding to an average depth of one to three feet where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate; and where velocity flow may be evident. Such flooding is characterized by ponding or sheet flow.

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • drainage work means any construction or reconstruction of or any alteration or addition to, or any work done in connection with a drainage installation but shall not include any work undertaken solely for purposes of repair or maintenance;

  • 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.

  • 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.

  • 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.

  • Excavation means the mechanical removal of earth material.

  • mine site means the mining lease the accommodation area and other areas provided for the facilities of the Company in the vicinity of the mining lease;

  • 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.

  • Flooding means a volume of water that is too great to be confined within the banks or walls of the stream, water body or conveyance system and that overflows onto adjacent lands, thereby causing or threatening damage.

  • 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.