Watersheds definition

Watersheds means those land areas which, because of their topography, soil type,
Sample 1Sample 2Sample 3
Watersheds means the land area from which water flows into a stream or other body of water which drains the area. For the purposes of this chapter, the area of watersheds shall be recommended by the basin advisory group described in section 39-3613, Idaho Code.
Sample 1
Watersheds means areas of land directly or indirectly drained by a lake or stream.
Sample 1

Examples of Watersheds in a sentence

  • To calculate runoff from unconnected impervious cover, urban impervious area modifications as described in the NRCS Technical Release 55 – Urban Hydrology for Small Watersheds or other methods may be employed.

  • She noted that there is nothing in the current rules that requires the landowners to verify that the maps are 100% accurate; instead, they rely on ‘due diligence’.

  • High Resource Value Watersheds contain predominantly forest lands, include a significant extent of high quality habitat, and have limited pre-existing developed land.

  • Low Resource Value Watersheds contain a low proportion of forest lands, low proportion of habitat suitable for rare, threatened or endangered species, and higher proportion of developed land area.

  • Moderate Resource Value Watersheds contain forest lands and some habitat suitable for rare, threatened or endangered species, but typically also contain significant areas of developed lands.

  • To calculate runoff from unconnected impervious cover, urban impervious area modifications as described in the NRCS Technical Release 55 – Urban Hydrology for Small Watersheds and other methods may be employed.

  • This methodology is additionally described in Technical Release55 - Urban Hydrology for Small Watersheds (TR-55), dated June 1986, incorporated herein by reference as amended and supplemented.

  • Technical Release 55: Urban Hydrology for Small Watersheds, 2nd Edition.

  • For bridge projects with Design Standards in Sensitive Watersheds (15A NCAC 04B .0124) commitment, all streams and unnamed tributaries shall have a 50-foot Environmentally Sensitive Area (ESA) on Clearing & Grubbing EC Plans only, and utilize 25-year peak rainfall data for surface area requirement for all sediment basins.

  • After the Public Notice expires, and all comments have been considered, the EPA’s regional Director for the Office of Water and Watersheds will make a final decision regarding permit issuance.


More Definitions of Watersheds

Watersheds means watershed areas identified on the Gener- al Plan maps. The area drained by a river, other natural stream of water or a lake; drainage area.
Sample 1Sample 2
Watersheds means those land areas which, because of their topography, soil
Sample 1
Watersheds means the restricted access portions of the Capilano, Seymour and Coquitlam River drainage areas including the source water supply portions thereof.
Sample 1
Watersheds means the land area from which water flows into a
Sample 1

Related to Watersheds

  • Watershed means a defined land area drained by a river or stream, karst system, or system of connecting rivers or streams such that all surface water within the area flows through a single outlet. In karst areas, the karst feature to which the water drains may be considered the single outlet for the watershed.

  • Source Watershed means the watershed from which a withdrawal originates. If water is withdrawn directly from a Great Lake or from the St. Lawrence River, then the source watershed shall be considered to be the watershed of that Great Lake or the watershed of the St. Lawrence River, respectively. If water is withdrawn from the watershed of a stream that is a direct tributary to a Great Lake or a direct tributary to the St. Lawrence River, then the source watershed shall be considered to be the watershed of that Great Lake or the watershed of the St. Lawrence River, respectively, with a preference to the direct tributary stream watershed from which it was withdrawn.

  • Graywater means untreated wastewater that has not been contaminated by any toilet discharge, has not been affected by infectious, contaminated, or unhealthy bodily wastes, and does not present a threat from contamination by unhealthful processing, manufacturing, or operating wastes. "Graywater" includes, but is not limited to, wastewater from bathtubs, showers, bathroom washbasins, clothes washing machines, and laundry tubs, but does not include wastewater from kitchen sinks or dishwashers. Health and Safety Code Section 17922.12.

  • Navigable waters ’ means the waters of the United States, including the territorial sea;

  • Water means the chemical element defined as H2O in any of its three natural states, liquid, solid and gaseous.

  • Water Main means (subject to Section 219(2) of the 1991 Act) any pipe, not being a pipe for the time being vested in a person other than the water undertaker, which is used or to be used by a water undertaker or licensed water supplier for the purpose of making a general supply of water available to customers or potential customers of the undertaker or supplier, as distinct from for the purpose of providing a supply to particular customers;

  • Tunnel means a subterranean passage made by excavating beneath the over- burden into which a building worker enters or is required to enter to work;

  • Gravel means stone screened from river sand or quarried and washed free of clay and clay coatings. Concrete aggregate designated as Class II by the department of transportation is acceptable.

  • Drainage means the movement of water to a place of disposal, whether by way of the natural characteristics of the ground surface or by artificial means;

  • Waterway means any body of water.

  • River means a flowing body of water or a portion or tributary of a flowing body of water, including streams, creeks, or impoundments and small lakes thereon.

  • Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Greywater means all liquid wastes from showers, baths, sinks, kitchens and domestic washing facilities, but does not include toilet wastes;

  • Rock means the body of consolidated or partially consolidated material composed of minerals at or below the land surface. Rock includes bedrock and partially weathered rock that is hard and cannot be dug with hand tools. The upper boundary of rock is "saprolite," "soil," or the land surface.

  • Wetlands means those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas.

  • foreshore , in relation to a port, means the area between the high-water mark and the low-water mark relating to that port;

  • Red means the chromaticity coordinates (x,y)4 of the light reflected that lie inside the chromaticity areas defined by the boundaries: R12 yellow boundary y = 0.335 R23 the spectral locus R34 the purple line R41 purple boundary y = 0.978 - x With intersection points: x y R1 0.643 0.335 R2 0.665 0.335 R3 0.735 0.265 R4 0.720 0.258

  • Watercourse means a channel in which a flow of water occurs, either continuously or intermittently.

  • Waters or “waters of the state” means any and all water, public or private, on or beneath the surface of the ground, which are contained within, flow through, or border upon Tennessee or any portion thereof except those bodies of water confined to and retained within the limits of private property in single ownership which do not combine or effect a junction with natural surface or underground waters.

  • Ocean transportation means any transportation aboard a ship, vessel, boat, barge, or ferry through international waters.

  • Shorelands or "shoreland areas" means those lands extending landward for two hundred feet in all directions as measured on a horizontal plane from the ordinary high water mark; floodways and contiguous floodplain areas landward two hundred feet from such floodways; and all wetlands and river deltas associated with the streams, lakes, and tidal waters which are subject to the provisions of this chapter; the same to be designated as to location by the department of ecology.

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Firewood means wood cut to lengths less than four feet long. This includes firewood cut for personal use.

  • Fresh water means water, such as tap water, that has not been previously used in a process operation or, if the water has been recycled from a process operation, it has been treated and meets the effluent guidelines for chromium wastewater.