NOTICE: Ecology's web applications will be unavailable Wednesday, Nov. 29 from 5:30 to 7:30pm, for scheduled maintenance.
Revised Code of Washington (RCW):
Washington Administrative Code (WAC):
In 1993, the legislature added metering requirements to the water code, RCW 90.03.360. The law now requires measuring of all surface water diversions. The Department of Ecology (Ecology) must require measuring as a condition of all new surface water rights and all existing water rights that meet at least one of the following criteria:
Since the addition of metering to the water code, Ecology has required measuring devices and recording and reporting requirements on all surface water withdrawals larger than one cubic foot per second. Since 1999, Ecology has also required measuring devices on all new water rights for surface and ground water withdrawals, as well as on changes, transfers and as a part of some water resource enforcement actions.
Chapter 173-173(WAC) became effective on January 21, 2002. The rule specifies:
Ecology's purpose for this rule is to establish standards of acceptability for measuring devices and methods, as well as requirements for recording and reporting water use data. Methods described in the rule or other methods used to measure water use in lieu of installing a measuring device must conform to basic requirements and be approved in writing by Ecology.
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.htm