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173-532-020  <<  173-532-025 >>   173-532-030

PDFWAC 173-532-025

Establishment of stream management units.

The department hereby establishes the following stream management units (Table I). The boundaries of the management units are shown in WAC 173-532-120.
Table I
Stream Management Unit Information
Stream Management Unit Name; Management Point (MP) No.; Control Station Gage No.
Control Station by River Mile (RM); Section; Township and Range; Latitude (Lat.) and Longitude (Long.)
Stream Management Reach Description
Mill Creek MP 1 (Mill Creek at Kooskooskie) USGS Gage No. 14013000
RM 21.2;
Section 12;
T6N, R37E;
Mill Creek at confluence with Walla Walla River (Walla Walla River, RM 33) to headwaters, including tributaries.
Walla Walla River MP 5a (Walla Walla River at Detour Road) Department Gage No. 32A100
RM 32.4;
Section 31;
T7N, R35E;
Walla Walla River, RM 32.4 (below confluence of Walla Walla River and Mill Creek) to state line at Walla Walla, including tributaries.
North Fork Touchet River MP 6a (North Fork Touchet above Dayton) Department Gage No. 32E050
RM 0.5;
Section 32;
T10N, R39E;
46°17'50"N, 117°57'04"W
Mouth of North Fork Touchet River to headwaters, including tributaries.
Touchet River
MP 11 (Touchet River at Bolles)
Department Gage No. 32B100
RM 40.4;
Section 7;
T9N, R37E;
46°16'27"N, 118°13'12"W
Touchet River, RM 40.1 to RM 54.9 (confluence of North Fork Touchet River and South Fork Touchet River), including tributaries, excluding North Fork Touchet River and its tributaries.
[Statutory Authority: Chapters 90.82, 90.54, 90.22, 90.03, and 90.44 RCW. WSR 07-17-007 (Order 04-08), § 173-532-025, filed 8/2/07, effective 9/5/07.]
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