Section 173-173-170 - What alternative water measuring devices and methods can I use?Any responsible party may use an alternative water measuring device or method that differs from those described in this chapter, if:
(1) The method is approved in writing in advance by the department; and(2) The device(s) and installation are certified by a registered professional engineer or other qualified person acceptable to the department to: (a) Measure all flow diverted or withdrawn in accordance with the pipeflow or open channel accuracy requirements in WAC 173-173-100(2) and 173-173-130(1);(b) Measure the appropriate volumes and flow rates in WAC 173-173-060;(c) Be installed and operated according to the manufacturer's and/or designer's instructions, and other such conditions as the department may find necessary.Wash. Admin. Code § 173-173-170
Statutory Authority: RCW 90.03.360, 90.44.050, [90.44.]250,[90.44.]450 and chapter 43.21A RCW. 02-02-017 (Order 00-01), § 173-173-170, filed 12/21/01, effective 1/21/02.