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173-528-090  <<  173-528-100 >>   173-528-110

PDFWAC 173-528-100

Future appropriations for interruptible use from the Washougal River.

(1) Ecology finds there may be water available in the Washougal River, above existing water rights and instream flows, which could be captured for interruptible use. This water is only available from November 16 to May 14.
(2) Prior to commencement, the person or entity seeking a new interruptible appropriation must demonstrate a seasonal need and provide assurances that any effects on surface waters that may result from withdrawals will be limited from November 16 to May 14 and only from the Washougal River.
(3) Ecology shall deny an appropriation for interruptible use if such use, or the cumulative effects of such uses, would compromise habitat-forming functions provided by high flows. In no case shall new individual or cumulative allocations exceed one hundred cubic feet per second. This allocation limit is based upon an allowance for ten percent of the average historic flow. The allocation limit may be lowered on a case-by-case basis whenever more protection of habitat-forming functions is needed.
(4) Interruptible uses are subject to existing water rights and instream flows set in WAC 173-528-060.
[Statutory Authority: Chapters 90.82, 90.54, 90.22, 90.03, and 90.44 RCW. WSR 09-01-127 (Order 08-03), ยง 173-528-100, filed 12/19/08, effective 1/19/09.]
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