Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-555 - Water resources program in the Little Spokane River basin, WRIA-55
Section 173-555-030 - Establishment of base flows
Current through Register Vol. 24-06, March 15, 2024
(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 tribu- taries 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 tribu- taries 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 tribu- taries 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 tribu- taries. |
|
(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.
