WAC 173-555-030
WAC 173-555-030. Establishment of base flows
(1) Base flows are established for stream management units with monitoring to take place at certain control points as follows:
Stream Management Unit Information
Control Station Number, Stream Management Unit Name Control Station Location by River Mile and Section, Township Range Affected Stream Reach No. 12-4270.00 Little Spokane River Elk 34.6 Sec. 8, T.29N., R.43 E.W.M. From confluence with Dry Creek to the headwaters including tributaries except Dry Creek. No. 12-4295.00 Little Spokane River Chattaroy 23.05 Sec. 34, T.28N., R.43 E.W.M. From confluence with Deer Creek to confluence with Dry Creek including tributaries except Deer Creek. No. 12-4310.00 Little Spokane River Dartford 10.8 Sec. 6, T.26N., R.43 E.W.M. From confluence with Little Creek to confluence with Deer Creek including tributaries except Little Creek. No. 12-4315.00 Little Spokane River Confluence 3.9 Sec. 3, T.26N., R.42 E.W.M. From mouth to confluence with Little Creek including tributaries.
Control Station
Number, Stream
Management
Unit Name
Control Station
Location by River
Mile and Section,
Township Range
Affected
Stream
Reach
No. 12-4270.00
Little Spokane River
Elk
34.6
Sec. 8, T.29N.,
R.43 E.W.M.
From confluence with Dry Creek to the headwaters including tributaries except Dry Creek.
No. 12-4295.00
Little Spokane River
Chattaroy
23.05
Sec. 34, T.28N.,
R.43 E.W.M.
From confluence with Deer Creek to confluence with Dry Creek
including tributaries
except Deer Creek.
No. 12-4310.00
Little Spokane River
Dartford
10.8
Sec. 6, T.26N.,
R.43 E.W.M.
From confluence with Little Creek to confluence with Deer Creek including tributaries
except Little Creek.
No. 12-4315.00
Little Spokane River
Confluence
3.9
Sec. 3, T.26N.,
R.42 E.W.M.
From mouth to confluence with Little Creek including tributaries.
(2) Base flows established for the stream management units in WAC 173-555-030(1) are as follows:
Base Flows in the Little Spokane
River Basin
(in Cubic Feet Per Second)
Month Day 12-4270.00 Elk 12-4295.00 Chattaroy 12-4310.00 Dartford 12-4315.00 Confluence Jan. 1 40 86 150 400 15 40 86 150 400 Feb. 1 40 86 150 400 15 43 104 170 420 Mar. 1 46 122 190 435 15 50 143 218 460 Apr. 1 54 165 250 490 15 52 143 218 460 May 1 49 124 192 440 15 47 104 170 420 Jun. 1 45 83 148 395 15 43 69 130 385 Jul. 1 41.5 57 115 375 15 39.5 57 115 375 Aug. 1 38 57 115 375 15 38 57 115 375 Sept. 1 38 57 115 375 15 38 63 123 380 Oct. 1 38 70 130 385 15 39 77 140 390 Nov. 1 40 86 150 400 15 40 86 150 400 Dec. 1 40 86 150 400 15 40 86 150 400
Month
Day
12-4270.00
Elk
12-4295.00
Chattaroy
12-4310.00
Dartford
12-4315.00
Confluence
Jan.
1
40
86
150
400
15
40
86
150
400
Feb.
1
40
86
150
400
15
43
104
170
420
Mar.
1
46
122
190
435
15
50
143
218
460
Apr.
1
54
165
250
490
15
52
143
218
460
May
1
49
124
192
440
15
47
104
170
420
Jun.
1
45
83
148
395
15
43
69
130
385
Jul.
1
41.5
57
115
375
15
39.5
57
115
375
Aug.
1
38
57
115
375
15
38
57
115
375
Sept.
1
38
57
115
375
15
38
63
123
380
Oct.
1
38
70
130
385
15
39
77
140
390
Nov.
1
40
86
150
400
15
40
86
150
400
Dec.
1
40
86
150
400
15
40
86
150
400
(3) Base Flow hydrographs, Figure II-1 in the document entitled "water resources management program in the Little Spokane River Basin" dated August, 1975 shall be used for definition of base flows on those days not specifically identified in WAC 173-555-030(2).
(4) All rights hereafter established shall be expressly subject to the base flows established in sections WAC 173-555-030 (1) through (3).