PDFWAC 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.
(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
(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).
[Order DE 75-24, § 173-555-030, filed 1/6/76.]