Perennial streams definition

Perennial streams means all primary and secondary perennial waterways as mapped by the U.S. Geological Survey.
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Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient: (1) headwater zone (elevation above 800 m [2600 ft] or gradient above
Sample 1
Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient:
Sample 1

Examples of Perennial streams in a sentence

  • Perennial streams are flowing waters that do not go dry any time of a year of normal rainfall and include the intermittent dry portions of the perennial channel below the uppermost point of perennial flow.

  • Perennial streams are waters that do not go dry any time of a year of normal rainfall.

  • Perennial streams are those which are depicted on a USGS map with a solid blue line.

  • Perennial streams include the upper reaches of the San Gorgonio and Whitewater Rivers, and Palm Canyon, Tahquitz, Snow, Deep Canyon, Chino, and Andreas Creeks.

  • Perennial streams retain water year-round and have variable flow regimes.

  • Perennial streams are flowing waters that do not go dry any time of a year of normal rainfall and include the intermittent dry portions of the perennial channel below the uppermost point of perennial flow.3. "Type Ns Water" means all segments of watercourses within the bankfull width of the defined channels that are not Type S, F, or No Waters.

  • Perennial streams are waters that do not go dry at any time during a year of normal rainfall.

  • Class B Streams – Perennial streams (during years of normal precipitation) that are not used by salmonids.

  • Perennial streams, rivers, lakes, bays, estuaries, and other appropriate perennial waters that are not specifically listed in Appendix A or D of §307.10 of this title are presumed to have a high aquatic life use and corresponding dissolved oxygen criteria.

  • Perennial streams will have water in their channels year-round in the absence of drought conditions.


More Definitions of Perennial streams

Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient: [(1)Headwater zone (elevation above 800 m [2600 ft] or gradient above 30 per cent or both); (2)Mid-zone (elevation between 50 800 m [165-2600 ft], or gradient between 5 and 30 per
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