Chapter 173-507 WAC
Last Update: 6/9/88INSTREAM RESOURCES PROTECTION PROGRAM—SNOHOMISH RIVER BASIN, WATER RESOURCE INVENTORY AREA (WRIA) 7
WAC Sections
HTMLPDF | 173-507-010 | General provision. |
HTMLPDF | 173-507-020 | Establishment of instream flows. |
HTMLPDF | 173-507-030 | Surface water source limitations to further consumptive appropriations. |
HTMLPDF | 173-507-040 | Groundwater. |
HTMLPDF | 173-507-050 | Exemptions. |
HTMLPDF | 173-507-060 | Future rights. |
HTMLPDF | 173-507-070 | Enforcement. |
HTMLPDF | 173-507-075 | Appeals. |
HTMLPDF | 173-507-080 | Regulation review. |
PDF173-507-010
General provision.
These rules apply to surface waters within the Snohomish River basin, WRIA 7 (see WAC 173-500-040). Chapter 173-500 WAC, the general rules of the department of ecology for the implementation of the comprehensive water resources program, applies to this chapter 173-507 WAC.
PDF173-507-020
Establishment of instream flows.
(1) Instream flows are established for stream management units with monitoring to take place at certain control stations as follows:
STREAM MANAGEMENT UNIT INFORMATION | ||
Control Station No. Stream Management Unit Name | Control Station by River Mile and Section, Township and Range | Affected Stream Reach Including Tributaries |
12.1330.00 So. Fk. Skykomish River | 51.6 28-27-10E | From confluence with N. Fk. Skykomish River to headwaters. |
12.1381.50 Sultan River | 5.1 17-28-8E | From mouth to headwaters. |
12.1411.00 Skykomish River | 25.0 12-27-6E | From mouth to headwaters, excluding So. Fk. Skykomish River and Sultan River. |
12.1430.00 No. Fk. Snoqualmie | 2.2 26-24-8E | From mouth to headwaters. |
12.1445.00 Snoqualmie River | 40.0 19-24-8E | From Snoqualmie Falls to headwaters, excluding No. Fork Snoqualmie River. |
12.1485.00 Tolt River | 8.7 31-26-8E | From mouth to headwaters. |
12.1490.00 Snoqualmie River | 23.0 9-25-7E | From confluence with Harris Creek to Snoqualmie Falls, excluding Tolt River. |
12. Snoqualmie River | 2.5 26-27-6E | From mouth to confluence with Harris Creek, including Harris Creek. |
12.1554.00 Pilchuck River | 1.9 18-28-6E | From mouth to headwaters. |
12.1508.00 Snohomish River | 20.4 16-27-6E | From influence of mean annual high tide at low base flow levels to confluence with Skykomish River and Snoqualmie River, excluding Pilchuck River. |
(2) Instream flows established for the stream management units in WAC 173-507-020(1) are as follows:
INSTREAM FLOWS IN THE SNOHOMISH RIVER BASIN (in Cubic Feet per Second) | |||||
Month | Day | 12.1330.00 So. Fk. Skykomish | 12.1411.00 Skykomish | 12.1430.00 No. Fk.* Snoqualmie | No. Fk.** Snoqualmie |
Jan. | 1 | 900 | 2200 | 260 | 200 |
15 | 900 | 2200 | 260 | 200 | |
Feb. | 1 | 900 | 2200 | 260 | 200 |
15 | 900 | 2200 | 260 | 200 | |
Mar. | 1 | 900 | 2200 | 260 | 200 |
15 | 900 | 2200 | 300 | 200 | |
Apr. | 1 | 1100 | 2650 | 300 | 200 |
15 | 1250 | 3250 | 300 | 200 | |
May | 1 | 1250 | 4000 | 300 | 200 |
15 | 1250 | 4900 | 300 | 200 | |
June | 1 | 1250 | 4900 | 300 | 200 |
15 | 1250 | 4900 | 300 | 200 | |
July | 1 | 1250 | 3250 | 300 | 200 |
15 | 950 | 2170 | 195 | 140 | |
Aug. | 1 | 650 | 1450 | 130 | 100 |
15 | 450 | 1000 | 130 | 100 | |
Sept. | 1 | 450 | 1000 | 130 | 100 |
15 | 450 | 1000 | 130 | 100 | |
Oct. | 1 | 550 | 1300 | 130 | 130 |
15 | 700 | 1700 | 165 | 165 | |
Nov. | 1 | 900 | 2200 | 210 | 200 |
15 | 900 | 2200 | 260 | 200 | |
Dec. | 1 | 900 | 2200 | 260 | 200 |
15 | 900 | 2200 | 260 | 200 | |
- - - - |
* | Normal year flows must be maintained at all times unless a critical condition is declared by the director. The director, or his designee, may authorize, in consultation with the state departments of fisheries and wildlife, a reduction in instream flows during a critical condition period. At no time are diversions subject to this regulation permitted for any reason when flows fall below the following critical year flows, except where a declaration of overriding considerations of public interest is made by the director. |
** | Critical year flows represent flows below which the department believes substantial damage to instream values will occur. |
Month | Day | 12.1381.50 Sulton | 12.1445.00 Snoqualmie (above Falls) | 12.1485.50 Tolt River* | Tolt River** |
Jan. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
Feb. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
Mar. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
Apr. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
May | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
June | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 165 | ||
July | 1 | 1550 | 280 | 140 | |
15 | 1100 | 240 | 120 | ||
Aug. | 1 | 770 | 170 | 120 | |
15 | 600 | 120 | 120 | ||
Sept. | 1 | 600 | 120 | 120 | |
15 | 600 | 120 | 120 | ||
Oct. | 1 | 820 | 190 | 185 | |
15 | 1100 | 280 | 190 | ||
Nov. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
Dec. | 1 | 1550 | 280 | 190 | |
15 | 1550 | 280 | 190 | ||
- - - - |
* | Normal year flows must be maintained at all times unless a critical condition is declared by the director. The director, or his designee, may authorize, in consultation with the state departments of fisheries and wildlife, a reduction in instream flows during a critical condition period. At no time are diversions subject to this regulation permitted for any reason when flows fall below the following critical year flows, except where a declaration of overriding considerations of public interest is made by the director. |
** | Critical year flows represent flows below which the department believes substantial damage to instream values will occur. |
Month | Day | 12.1490.00 Snoqualmie (Carnation) | 12. Snoqualmie (mouth) | 12.1554.00 Pilchuck R. | 12.1508.00 Snohomish R. |
Jan. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6000 | |
Feb. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6000 | |
Mar. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6000 | |
Apr. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6500 | |
May | 1 | 2500 | 2800 | 300 | 7200 |
15 | 2500 | 2800 | 300 | 8000 | |
June | 1 | 2500 | 2800 | 300 | 8000 |
15 | 2500 | 2800 | 300 | 8000 | |
July | 1 | 1850 | 2180 | 220 | 5700 |
15 | 1300 | 1550 | 160 | 4000 | |
Aug. | 1 | 950 | 1080 | 120 | 2800 |
15 | 700 | 800 | 85 | 2000 | |
Sept. | 1 | 700 | 800 | 85 | 2000 |
15 | 700 | 800 | 85 | 2000 | |
Oct. | 1 | 1050 | 1200 | 130 | 2900 |
15 | 1650 | 1850 | 200 | 4000 | |
Nov. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6000 | |
Dec. | 1 | 2500 | 2800 | 300 | 6000 |
15 | 2500 | 2800 | 300 | 6000 |
(3) Instream flow hydrographs, as represented in the document entitled "Snohomish River instream resource protection program," shall be used for definition of instream flows on those days not specifically identified in WAC 173-507-020(2).
(4) All consumptive water rights hereafter established shall be expressly subject to the instream flows established in WAC 173-507-020 (1) through (3).
(5) At such time as the departments of fisheries and/or wildlife and the department of ecology agree that additional stream management units should be defined, other than those specified in WAC 173-507-020(1), the department of ecology shall identify additional control stations and management units on streams and tributaries within the basin and shall set instream flows where possible for those stations as provided in chapters 90.22 and 90.54 RCW.
PDF173-507-030
Surface water source limitations to further consumptive appropriations.
(1) The department, having determined further consumptive appropriations would harmfully impact instream values, adopts instream flows as follows confirming surface water source limitations previously established administratively under authority of chapter 90.03 RCW and RCW 75.20.050.
LOW FLOW LIMITATIONS
Stream | Limitation | Point of Measurement | |
Evans Creek, Tributary to Lake Beecher | No diversion when flow drops below 2.0 cfs. | 800 ft. So. and 800 ft. east of center of Sec. 7, T. 27 N., R. 6 E.W.M. | |
Foye Creek Tributary to Riley Slough | No diversion when flow drops below 4.0 cfs. | 750 ft. So. and 325 ft. east of N1/4 cor. of Sec. 18, T. 27 N., R. 6 E.W.M. | |
French Creek, Tributary to Snohomish River | No diversion when flow drops below 0.75 cfs. | 125 ft. No. and 1300 ft. west of E1/4 of Sec. 20, T. 28 N., R. 6 E.W.M. | |
Langlois Creek Tributary to Tolt River | No diversion when flow drops below 3.0 cfs. | 1040 ft. No. and 1250 ft. east of SW1/4 cor. of Sec. 22, T. 25 N., R. 7 E.W.M. | |
Tate Creek, Tributary to No. Fk. Snoqualmie River | No diversion when flow drops below 2.0 cfs. | 900 ft. east and 870 ft. No. of W1/4 cor. of Sec. 26, T. 24 N., R. 8 E.W.M. | |
Tulalip Creek, Tributary to Tulalip Bay | No diversion when flow drops below 2.5 cfs. | 1125 ft. west and 125 ft. No. of S1/4 cor. of Sec. 22, T. 30 N., R. 4 E.W.M. | |
Unnamed Stream (Coon Creek), Tributary to Pilchuck River. | No diversion when flow drops below 1.0 cfs. | 480 ft. No. and 240 ft. west of center of Sec. 19, T. 30 N., R. 7 E.W.M. | |
Unnamed Stream (Coon Creek), Tributary to Pilchuck River | One-half of low flow must be bypassed. | 800 ft. east and 1100 ft. So. of W1/4 cor. of Sec. 19, R. 30 N., R. 7 E.W.M. | |
Unnamed Stream, Tributary to Cherry Creek | No diversion when flow drops below 1.0 cfs. | 1000 ft. So. and 400 ft. west of NE cor. of Sec. 16, T. 26 N., R. 7 E.W.M. | |
Unnamed Stream, Tributary to McCoy Creek | No diversion when flow drops below 0.5 cfs. | 600 ft. west and 100 ft. No. of SE cor. of Sec. 5, T. 27 N., R. 8 E.W.M. | |
Unnamed Stream, Tributary to Snoqualmie River | No diversion when flow drops below 30.0 cfs. | 350 ft. west and 900 ft. No. of SE cor. of Sec. 5, T. 27 N., R. 8 E.W.M. | |
Unnamed Stream (Solberg Creek), Tributary to Snoqualmie River | No diversion when flow drops below 2.0 cfs. | 600 ft. west and 1050 ft. No. of E cor. of Sec. 12, T. 25 N., R. 6 E.W.M. | |
Unnamed Stream, Tributary to Snoqualmie River | One-half of low flow must be bypassed. | 500 ft. So. and 1120 ft. east of center Sec. 28, T. 25 N., R. 7 E.W.M. | |
Unnamed Stream, Tributary to Snoqualmie River | No diversion when flow falls below 1.0 cfs. | 600 ft. No. of E1/4 cor. of Sec. 28, T. 25 N., R. 7 E.W.M. | |
Wood Creek, Tributary to Snohomish River | No diversion when flow drops below 0.75 cfs. | 335 ft. No. and 130 ft. east of S1/4 cor. of Sec. 8, T. 28 N., R. 5 E.W.M. | |
Woods Creek Tributary to Skykomish River | No diversion when flow drops below 11.0 cfs. | Immediately below confl. of West Fork in SE1/4NW1/4 Sec. 33, T. 28 N., R. 7 E.W.M. | |
Woods Creek, Tributary to Skykomish River | No diversion when flow drops below 6.0 cfs. | Immediately above said confl. of West Fork. | |
Woods Creek, Tributary to Skykomish River | No diversion when flow drops below 2.5 cfs. | Immediately above confl. of Roesigner Cr. in NE1/4NW1/4 of Sec. 3, T. 28 N., R. 7 E.W.M. | |
Woods Creek, Tributary to Skykomish River | No diversion when flow drops below 0.5 cfs. | Roesigner Creek, immediately above said confl. with Woods Creek. | |
Woods Creek, Tributary to Skykomish River | No diversion when flow drops below 5.0 cfs. | West Fork, immediately above said confl. with Woods Creek. | |
Woods Creek, Tributary to Skykomish River | No diversion when flow drops below 2.5 cfs. | West Fork when it crosses the No. line of Sec. 5, T. 28 N., R. 7 E.W.M. | |
Unnamed Lake (Morris Lake), Tributary to Horseshoe Lake | No diversion when flow drops below 1.0 cfs. | Lake outlet at NE1/4NE1/4 of Sec. 9, T. 25 N., R 7 E.W.M. |
Note: | Affected stream reaches extend from mouth to headwaters and include all tributaries in the contributing drainage area unless specifically excluded. |
(2) The department, having determined there are no waters available for further appropriation through the establishment of rights to use water consumptively, closes the following streams to further consumptive appropriation for the periods indicated. These closures confirm surface water source limitations previously established administratively under authority of chapter 90.03 RCW and RCW 75.20.050.
SURFACE WATER CLOSURES
Stream | Date of Closure | Period of Closure |
Griffin Creek, Tributary to Snoqualmie River | 9/22/53 | All year |
Harris Creek, Tributary to Snoqualmie River | 1/20/44 | All year |
Little Pilchuck Creek, Tributary to Pilchuck River | 5/6/52 | All year |
May Creek, Tributary to Wallace River | 10/13/53 | All year |
Patterson Creek, Tributary to Snoqualmie River | 2/19/52 | All year |
Quilceda Creek, Tributary to Ebey Slough | 6/10/46 | All year |
Raging River, Tributary to Snoqualmie River | 9/20/51 | All year |
Unnamed Stream (Bodell Creek), Tributary to Pilchuck River | 9/6/51 | All year |
PDF173-507-040
Groundwater.
In future permitting actions relating to groundwater withdrawals, the natural interrelationship of surface and groundwaters shall be fully considered in water allocation decisions to assure compliance with the meaning and intent of this regulation.
PDF173-507-050
Exemptions.
(1) Nothing in this chapter shall affect existing water rights, riparian, appropriative, or otherwise, existing on the effective date of this chapter, nor shall it affect existing rights relating to the operation of any navigation, hydroelectric or water storage reservoir or related facilities.
(2) Domestic inhouse use for a single residence and stock watering, except that related to feed lots, shall be exempt.
PDF173-507-060
Future rights.
No right to divert or store public surface waters of the Snohomish WRIA 7 shall hereafter be granted which shall conflict with the instream flows and closures established in this chapter. Future rights for nonconsumptive uses, subject to the conditions herein established, may be granted.
PDF173-507-070
Enforcement.
In enforcement of this chapter, the department of ecology may impose such sanctions as appropriate under authorities vested in it, including but not limited to the issuance of regulatory orders under RCW 43.27A.190 and civil penalties under RCW 90.03.600.
PDF173-507-075
Appeals.
All final written decisions of the department of ecology pertaining to permits, regulatory orders, and related decisions made pursuant to this chapter shall be subject to review by the pollution control hearings board in accordance with chapter 43.21B RCW.
PDF173-507-080
Regulation review.
The department of ecology shall initiate a review of the rules established in this chapter whenever new information, changing conditions, or statutory modifications make it necessary to consider revisions.