Permanent pool definition

Permanent pool means that portion of a wet detention pond that normally holds water (e.g., between the normal water level and the pond bottom), excluding any water volume claimed as wet detention treatment volume as shown in Figure 8.1-1 of this Volume.
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Permanent pool means that portion of a wet detention pond that normally holds water between the normal water level and the top of the anoxic zone or pond bottom excluding any water volume claimed as wet detention treatment volume.
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Permanent pool or "Wet pool" means an area of a stormwater management practice that has a fixed water surface elevation due to a manipulation of the outlet structure.
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Examples of Permanent pool in a sentence

  • The pond geometry shall meet the following criteria: • Permanent pool depth shall not exceed 12' with an average depth between 4- 6'.• Length from inlet to outlet should be as far apart as possible.• Length to width ratio should be approximately 3:1 and side slopes should be 4:1.

  • Permanent pool elevation, high water elevation and freeboard elevation for all ponds and water features.

  • Permanent pool water level should controlled as necessary to establish wetland plants and raised to final operating level after plants are established.12.

  • Provide a stilling basin designed to dissipate outfall energy and spread flows.2. Permanent pool depth to be spatially varied throughout wetland.3. Provide a perimeter zone 10 to 20 feet wide, which is inundated during storm events.4. Side Slopes for Wetland Planting: 5H:1V or flatter5.

  • Permanent pool storage capacity (min 10-15%), hydraulic gradient <1%, length-width ratios >3:1, uniform cross-section, flow path (zig-zag), flow arrest structures (submerged islands/weirs, vegetation across flow), and outfall structures are often cited (ref.

  • Each of the phases will be organized in a feature dataset containing the following layers: • Master layer of survey and bathymetric points collected; • Points used for creating the TINs and contours; • Contours of the existing bathymetry and depth to refusal bathymetry; • Permanent pool areas with volumes stored in the attribute table; • Flood pool areas with volumes stored in the attribute table; • Convert TINs to features and convert to terrain datasets in the ArcGIS geodatabase environment.

  • Permanent pool volume of sedimentation basins is reported as the volume between the normal water level and the base.

  • Permanent pool volume minimum of 1,800 cubic feet of storage below the outlet pipe per acre drained to the basin.

  • Permanent pool depths in the main pond and forebay should not be elevational but based on depth.

  • Permanent and Regular Pool Players Permanent pool players are players unassigned to established teams who have registered with the League, paid their pool player dues, and signed a waiver of liability.


More Definitions of Permanent pool

Permanent pool means the storage space in a reservoir below the elevation of the lowest uncontrolled spillway, not including any low-flow augmentation works. This term is also known as the “normal pool.”
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Permanent pool means a pool—
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Permanent pool means that portion of a wet detention pond which normally holds water (e.g., between the normal water level and the pond bottom).
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Related to Permanent pool

  • Permanent Total Disablement means disablement which entirely prevents the Pilot from attending to any business or occupation of any and every kind and which lasts twelve months and at the expiry of that period is beyond hope of improvement.

  • Source reduction means any practice that reduces the amount of any hazardous substance, pollutant, or contaminant entering any waste stream or otherwise released into the environment prior to recycling, energy recovery, treatment, or disposal.

  • permanent resident means a natural person whose residence in a Party is not limited as to time under its law;

  • Reduction in Force means abolition of positions in an agency or part of an agency and the corresponding nondisciplinary removal of affected employees from such positions through separation from employment or through displacement to other positions.