Washington Administrative Code › Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508) › Chapter 173-505 - Instream resources protection and water resources program › STILLAGUAMISH RIVER BASIN WATER RESOURCES INVENTORY AREA (WRIA) 5 › Section 173-505-030 - Definitions

Current through Register Vol. 24-14, July 15, 2024
For the purposes of this chapter, the following definitions
				  shall be used. In the event that these definitions differ from those contained
				  in related rules, the definitions presented here will supersede any others for
				  this chapter:
(1)
"Allocation"
means the designating of specific amounts of water
				for specific beneficial uses.
(2)
"Appropriation"
means the process of legally acquiring the right
				to specific amounts of water for beneficial uses, as consistent with the
				requirements of the ground and surface water codes and other applicable water
				resource statutes. This term refers to both surface and groundwater right
				permits and to groundwater withdrawals otherwise exempted from permit
				requirements under
				RCW
				   90.44.050.
(3)
"Consumptive use"
means a
				use of water that diminishes the amount or quality of water in the water
				source.
(4)
"Department"
means the Washington state department of
				ecology.
(5)
"Domestic water
				use"
means, for the purposes of administering WAC
				173-505-090, potable water to
				satisfy the human domestic needs of a household or business, including water
				used for drinking, bathing, sanitary purposes, cooking, laundering, and other
				incidental uses. Outdoor watering shall be limited to an area not to exceed a
				total of 1/12th of an acre, or three thousand six hundred thirty square feet,
				for all outdoor uses for each individual domestic water use. Under all
				circumstances, total outdoor watering for multiple residences under the permit
				exemption (RCW    90.44.050)  shall not exceed
				one-half acre.
(6)
"Instream
				flow"
means a stream flow level set in rule that is required to protect
				and preserve fish, wildlife, scenic, aesthetic and other environmental values,
				and navigational values. The term "instream flow" means a base flow under
				chapter
				90.54 RCW, a minimum flow
				under chapter 90.03
				or 90.22 RCW, or a minimum instream flow under chapter 90.82 RCW.
(7)
"Mitigation plan"
means a
				scientifically sound plan voluntarily submitted by a project proponent to
				offset the impacts of a proposed water use and approved by the department. A
				mitigation plan can be submitted to the department for a stream, basin, reach,
				or other area. A mitigation plan must show that the withdrawal with mitigation
				in place will not impair existing water rights, including instream flow rights,
				or diminish water quality. The plan must provide mitigation for the duration of
				the water use.
(8)
"Municipal
				water supplier"
means an entity that supplies water for municipal water
				supply purposes. (RCW    90.03.015.)
(9)
"Municipal water supply
				purposes"
means a beneficial use of water: (a) For residential purposes
				through fifteen or more residential service connections or for providing
				residential use of water for a nonresidential population that is, on average,
				at least twenty-five people for at least sixty days a year; (b) for
				governmental or governmental proprietary purposes by a city, town, public
				utility district, county, sewer district, or water district; or (c) indirectly
				for the purposes in (a) or (b) of this subsection through the delivery of
				treated or raw water to a public water system for such use. (Partial
				definition; for the complete text of this definition refer to
				RCW
				   90.03.015.)
(10)
"Nonconsumptive use"
means
				a use of water that does not diminish the amount or quality of water in the
				water source.
(11)
				"
Permit-exempt withdrawals"
or
"permit exemption"
means a groundwater withdrawal exempted from permit requirements under
				RCW
				   90.44.050, but which is otherwise subject to
				the groundwater code.
(12)
"Reservation"
means an allocation of water for future beneficial
				uses. The effective date of a reservation, as well as the priority date of a
				given appropriation from a reservation, is the same as the effective date of
				this chapter.
(13)
"Stream
				management unit"
means a stream segment, reach, or tributary used to
				describe the part of the relevant stream to which a particular instream flow
				level applies.
(14)
"Withdrawal"
means the appropriation or use of groundwater, or the
				diversion or use of surface water.
Statutory Authority: Chapters 43.27A,
					 90.54, 90.22, and 90.82 RCW.
					 05-18-016 (Order 02-17), § 173-505-030, filed 8/26/05, effective
					 9/26/05.