Closed depression definition

Closed depression means a topographical basin where water ponds to a seasonal high water mark, has no external drainage, and drainage may occur either through direct conduits to groundwater or low areas where water ponds and infiltrates into the groundwater. Closed depressions may be identified using topographic maps and visual interpretation, ArcGIS tools, or other methods. A seasonal high water mark may include, but is not limited to, areas that collect and retain water for extended time
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Closed depression means an area greater than five thousand square feet at overflow elevation that is low-lying and that has no or such a limited surface water outlet that the area acts as a stormwater retention facility.
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Closed depression means an area greater than 5,000 square feet at overflow elevation that is low-lying and that has no or such a limited surface water outlet that the area acts as a stormwater retention facility. The primary loss of water volume from a closed depression is through evapotranspiration and discharge into the ground rather than surface flow.
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Examples of Closed depression in a sentence

  • This is broadly interpreted, and unlawful discrimination may take a number of forms: direct, indirect, harassment, victimisation, discrimination by association and discrimination by perception.

  • Closed depression determination from the State of Tennessee, including any necessary permits.

  • Closed depression analysis requires careful assessment of the existing hydrologic performance in order to evaluate the impacts a proposed project will have.

  • Closed depression analysis shall be performed as required in Chapter 2.4 of Volume III of the Western Washington Manual for projects required to meet Minimum Requirement No. 7, or section III-1.5 of the Stormwater Management Manual for the Puget Sound Basin, February 1992, as prepared by the Washington State Department of Ecology for projects required to meet the small project requirements.


More Definitions of Closed depression

Closed depression means a low area that does not have a drainage outlet.
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Closed depression means any low-lying area of iand, either natural or man-made, which receives stormwater;
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Closed depression means an area greater than 5,000 square feet at overflow elevation that is low‐ lying and that has no or such a limited surface water outlet that the area acts as a stormwater retention facility. (Ord. O2011‐304 § 1 (Att. A))
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Closed depression means a topographical basin where water ponds to a seasonal high water mark, has no external drainage, and drainage may occur either through direct conduits to groundwater or low areas where water ponds and infiltrates into the groundwater. Closed depressions may be identified using topographic maps and visual interpretation, ArcGIS tools, or other methods.
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Closed depression means an area greater than five thousand square feet at
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Closed depression means an area that is low‐lying, has no or such a limited surface water outlet that the area acts as a retention basin, has greater than 5,000 square feet at overflow elevation, and that the primary loss of water volume from which is through evapotranspiration and discharge into the ground rather than surface flow. (Ord. 13‐09 § 2 (Exh. 1))
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Closed depression means an area greater than five thousand square feet at overflow
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