Peak discharge definition

Peak discharge means the maximum rate of flow during a storm, usually in reference to a specific design storm event.
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Peak discharge means the maximum rate of stormwater from a specific storm event.
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Peak discharge means the maximum surface water runoff rate (cubic feet per second and cubic meters per second) determined for the design storm.
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Examples of Peak discharge in a sentence

  • The Client shall pay the full amount owing in respect of each account within fourteen (14) days of issue of the account.

  • NR 151.243 Peak discharge performance standard.NR 151.244 Infiltration performance standard.NR 151.245 Protective areas performance standard.NR 151.246 Fueling and vehicle maintenance areas performance standard.

  • NR 151.123 Peak discharge performance standard.NR 151.124 Infiltration performance standard.NR 151.125 Protective areas performance standard.NR 151.126 Fueling and vehicle maintenance areas performance standard.

  • Peak discharge, for purposes of meeting maximum allowable discharges, is computed as the maximum average discharge over a time period equal to the time of concentration of the contributory area.

  • Peak discharge rates shall be limited to the predevelopment levels for the 2-year, 10-year, and 25-year frequency, 24-hour duration storm unless storm water from the subdivision will drain directly into a major water body such as a great pond or the ocean.

  • Peak discharge energy density of 21.4 Wh L-1 is achieved at 100 mA cm-2 and 50°C.

  • The rational formula is as follows: Q = CIA Where:Q = Peak discharge in cubic feet per second.C = Runoff coefficient which is the ratio of the maximum rate of runoff from the area to the average rate of rainfall intensity for the time of concentration.

  • Peak discharge rate control standards, which are unique to each watershed, have been developed to achieve watershed-specific controls.Peak Discharge Rate ControlsPeak discharge rate controls have been the primary method of implementing stormwater management controls for many years.

  • Peak discharge computations should consider the duration, frequency, and intensity of rainfall, the antecedent moisture conditions, upper soil zone and surface storage, time of concentration, tailwater conditions, changes in land use or land cover, and any other changes in topographic and hydrologic characteristics.

  • Peak discharge reductions at the projects ranged from 66.7–93.8%.


More Definitions of Peak discharge

Peak discharge means the maximum discharge occurring during a flood event.
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Peak discharge means the maximum rate of flow from a point of storm water discharge during or immediately following a storm event, usually in reference to a specific return period storm or “design storm.”
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Peak discharge means the maximum rate of flow of water at a given point and time resulting from a predetermined storm.
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Peak discharge means the maximum stormwater runoff rate in cubic feet per second determined for the design storm.
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Related to Peak discharge

  • New discharger means any building, structure, facility, or installation: (A) From which there is or may be a new or additional discharge of pollutants at a site at which on October 18, 1972, it had never discharged pollutants; (B) Which has never received a finally effective NPDES permit for discharges at that site; and (C) Which is not a “new source”. This definition includes an indirect discharger, which commences discharging into waters of the United States. It also includes any existing mobile point source, such as an offshore oil drilling rig, seafood processing vessel, or aggregate plant that begins discharging at a location for which it does not have an existing permit.

  • Daily discharge means the discharge of a pollutant measured during a calendar day or any 24-hour period that reasonably represents the calendar day for purposes of sampling. For pollutants with limitations expressed in units of mass, the "daily discharge" is calculated as the total mass of the pollutant discharged over the day. For pollutants with limitations expressed in other units of measurement, the "daily discharge" is calculated as the average measurement of the pollutant over the day.

  • Illicit discharge means any discharge to a municipal separate storm sewer that is not composed entirely of stormwater except discharges pursuant to a NPDES permit (other than the NPDES permit for discharges from the municipal separate storm sewer) and discharges resulting from emergency fire fighting activities.

  • National Pollutant Discharge Elimination System means the national program for issuing, modifying, revoking and reissuing, terminating, monitoring and enforcing permits, and imposing and enforcing pretreatment requirements under Sections 307, 402, 318, and 405 of the Clean Water Act.

  • National Pollutant Discharge Elimination System (NPDES) means the national program for issuing, modifying, revoking and reissuing, terminating, monitoring, and enforcing permits and imposing and enforcing pretreatment requirements, under Sections 307, 318, 402, and 405 of CWA. The term includes an approved program.