Perennial streams definition

Perennial streams means all primary and secondary perennial waterways as mapped by the U.S. Geological Survey.
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:
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

Examples of Perennial streams in a sentence

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

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

  • 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 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 tapped in natural drainage systems for irrigation.

  • Perennial streams are not located at the Facility and the occurrence of surface water should be limited to (1) immediately after significant storm events, and (2) if seeps develop along the perimeter of a waste management unit.

  • Perennial streams at low elevations originate from groundwater springs.

  • Perennial streams (and intermittent streams providing seasonal rearing and spawning habitat) –In the absence of local field data, 300-foot slope distance from the ordinary high water mark, ORFlood-prone width or two site-potential tree heights, whichever is greatest, ORDefined based on a site-specific analysis by a qualified specialist with expertise in the field of riparian function and ecological processes.

  • Perennial streams that begin flowing subsurface during low flow periods, due to natural geologic conditions, remain defined as perennial.

  • 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

Related to Perennial streams

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  • Health maintenance organization means that term as defined in section 3501 of the insurance code of 1956, 1956 PA 218, MCL 500.3501.