Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-518 - Water resources management program for the dungeness portion of the Elwha-Dungeness water resource inventory area (WRIA) 18
Section 173-518-040 - Establishment of instream flows

Universal Citation: WA Admin Code 173-518-040

Current through Register Vol. 24-06, March 15, 2024

(1) The instream flows established in this section are based on recommendations in the 2005 Elwha-Dungeness watershed plan, consultation with the Jamestown S'Klallam Tribe, the departments of fish and wildlife, agriculture, and commerce; and public input received during the rule-making process.

(2) Instream flows established in this rule are necessary to meet the water resource management objectives of the Elwha-Dungeness watershed plan.

(3) Instream flows established in this rule are water rights and will be protected from impairment by any new water rights commenced after the effective date of this chapter and by future water right changes and transfers.

(4) Instream flows are expressed in cubic feet per second (cfs), and are measured at the control stations identified in Table I. Tables II A and B identify instream flows set by this rule.

(5) Exceptions to the instream flow requirements are provided in WAC 173-518-070, 173-518-080, and 173-518-085. Any other new water appropriation established after the effective date of this rule will be subject to interruption when stream flows drop below the instream flow levels set in Table II.

Table I Subbasin Management Unit Information

Subbasin Management Point Name

Control Station by River Mile (RM); Latitude (Lat.), Longitude (Long.)

Stream Management Reach

Bagley Creek @ Hwy. 101

RM 1.4; 48°05'56''N, 123°19'47''W

From mouth to headwaters, including tributaries.

Bell Creek @ Schmuck Rd.

RM 0.2; 48°05'01''N, 123°03'25''W

From mouth to headwaters, including tributaries.

Cassalery Creek @ Woodcock Rd.

RM 1.8; 48°06'59''N, 123°06'31''W

From mouth to headwaters, including tributaries.

Dungeness River @ Schoolhouse Bridge

Ecology Gage 18A050 RM 0.8; 48°08'37''N, 123°07'43''W

From mouth to headwaters, including tributaries, except Meadowbrook and Matriotti creeks.

Gierin Creek @ Holland Rd.

RM 1.7; 48°06'05''N, 123°04'40''W

From mouth to headwaters, including tributaries.

Matriotti Creek @ Lamar Ln.

RM 1.3; 48°07'54''N, 123°09'46''W

From mouth to headwaters, including tributaries.

McDonald Creek @ Old Olympic Hwy.

RM 1.6; 48°06'20''N, 123°13'17''W

From mouth to headwaters, including tributaries.

Meadowbrook Creek @ Sequim-Dungeness Way

RM 1.2; 48°08'41''N, 123°07'27''W

From mouth to headwaters, including tributaries.

Siebert Creek @ Old Olympic Hwy.

Ecology Gage 18L060 RM 1.3; 48°06'24''N, 123°16'42''W

From mouth to headwaters, including tributaries.

Table II A Instream Flows in the Dungeness River Basin (cubic feet per second)

Month

Bagley Creek

Bell Creek

Cassalery Creek

Dungeness Mainstem

Gierin Creek

January

15

11

5

575

10

February

10

7

3

575

7

March

29

22

12

575

20

April

29

22

12

475

20

May

20

14

8

475

13

June

20

14

8

475

13

July

6

4

2

475

4

August

6

4

2

180

4

September

6

4

2

180

4

October

6

4

2

180

4

November

15

11

5

575

10

December

15

11

5

575

10

Table II B Instream Flows in the Dungeness River Basin (cubic feet per second)

Month

Matriotti Creek

McDonald Creek

Meadowbrook Creek

Siebert Creek

January

14

36

12

36

February

10

24

8

24

March

27

63

24

63

April

27

63

24

63

May

18

42

16

42

June

18

42

16

42

July

5

15

5

15

August

5

15

5

15

September

5

15

5

15

October

5

15

5

15

November

14

36

12

36

December

14

36

12

36

Statutory Authority: Chapters 90.54, 90.22, 90.82, 90.03, 90.42, and 90.44 RCW. 12-23-054 (Order 07-17), § 173-518-040, filed 11/16/12, effective 1/2/13.

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