Statutes, codes, and regulations
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

Wash. Admin. Code § 173-555-030

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Current through Register Vol. 24-23, December 1, 2024
Section 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 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).

Wash. Admin. Code § 173-555-030

Order DE 75-24, § 173-555-030, filed 1/6/76.