Geographic Units: Difference between revisions

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! # !! Geographic Unit !! Mid-level Unit !! WRIA !! Source !! HUC12_List !! Description
! # !! Geographic Unit !! Mid-level Unit !! WRIA !! Source !! HUC12_List !! Description
|-
|-
| 1 || Gold Creek || Upper Yakima Watershed || 39 || HUC12 Split || 170300010301 ||  
| 1 || Gold Creek || Upper Yakima Watershed || 39 || HUC12 Split || (170300010301) || Gold Creek and its tributaries
|-
|-
| 2 || Keechelus Lake || Upper Yakima Watershed || 39 || HUC12 Split || (170300010301) ||  
| 2 || Keechelus Lake || Upper Yakima Watershed || 39 || HUC12 Split || (170300010301) || Keechelus Lake and all tributaries except Gold Creek
|-
|-
| 3 || Upper Kachess River || Upper Yakima Watershed || 39 || HUC12 split || (170300010303) ||  
| 3 || Upper Kachess River || Upper Yakima Watershed || 39 || HUC12 split || (170300010303) || Upper Kachess River and its tributaries
|-
|-
| 4 || Box Canyon Creek || Upper Yakima Watershed || 39 || HUC12 Split || 170300010303 ||  
| 4 || Box Canyon Creek || Upper Yakima Watershed || 39 || HUC12 Split || (170300010303) || Box Canyon Creek and its tributaries
|-
|-
| 5 || Kachess Lake || Upper Yakima Watershed || 39 || HUC12 Split || (170300010301) ||  
| 5 || Kachess Lake || Upper Yakima Watershed || 39 || HUC12 Split || (170300010303) || Kachess Lake and all its tributaries except Box Canyon and Upper Kachess
|-
|-
| 6 || Cabin Creek || Upper Yakima Watershed || 39 || HUC12 || 170300010302 ||  
| 6 || Cabin Creek || Upper Yakima Watershed || 39 || HUC12 || 170300010302 || Cabn Creek and its tributaries
|-
|-
| 7 || Big Creek || Upper Yakima Watershed || 39 || HUC12 || 170300010305 ||  
| 7 || Big Creek || Upper Yakima Watershed || 39 || HUC12 || 170300010305 || Big Creek and its tributaries
|-
|-
| 8 || Upper Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC12 || (170300010303) ||  
| 8 || Upper Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC12 || 170300010304 || Yakima River from Keechelus Dam to Easton Lake and all its tributaries except Cabin Creek
|-
|-
| 9 || Easton Reach - Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC12 || 170300010306 ||  
| 9 || Easton Reach - Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC 12 || 170300010306 || Yakima River from Easton Lake to the Cle Eum River and all its tributaries except Big Creek
|-
|-
| 10 || Cle Elum Reach - Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC12 || 170300010307 ||  
| 10 || Cle Elum Reach - Yakima River Mainstem || Upper Yakima Watershed || 39 || HUC12 || 170300010307 || Yakima River from the Cle Elum River to the Teanaway River and all its tributaries
|-
|-
| 11 || Waptus River || Cle Elum Watershed || 39 || HUC12 || 170300010101 ||  
| 11 || Waptus River || Cle Elum Watershed || 39 || HUC12 || 170300010101 || Waptus River and its tributaries
|-
|-
| 12 || Cooper River || Cle Elum Watershed || 39 || HUC12 || 170300010103 ||  
| 12 || Cooper River || Cle Elum Watershed || 39 || HUC12 || 170300010103 || Cooper River and its tributaries
|-
|-
| 13 || Cle Elum River || Cle Elum Watershed || 39 || Merge (HUC12) || 170300010102, 170300010104, 170300010105, 170300010106 ||
| 13 || Cle Elum River || Cle Elum Watershed || 39 || HUC 12 MERGE || 170300010102
170300010104
170300010105
170300010106
| Cle Elum River and Lake and all their tributaries except the Wapatus and Cooper Rivers
|-
|-
| 14 || North Fork Teanaway River || Teanaway Watershed || 39 || Merge (HUC12) || 170300010201, 170300010204 ||
| 14 || North Fork Teanaway River || Teanaway Watershed || 39 || HUC 12 MERGE || 170300010201
170300010204
| North Forl Teanaway  and its tributaries
|-
|-
| 15 || Middle Fork Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010202 ||  
| 15 || Middle Fork Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010202 || Middle Forl Teanaway  and its tributaries
|-
|-
| 16 || West Fork Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010203 ||  
| 16 || West Fork Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010203 || West Forl Teanaway  and its tributaries
|-
|-
| 17 || Mainstem Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010205 ||  
| 17 || Mainstem Teanaway River || Teanaway Watershed || 39 || HUC12 || 170300010205 || Mainstem Teanaway River from the confluence of the Middle and West Forks to its mouth and all its tributaries except the North Fork
|-
|-
| 18 || Taneum Creek || Thorp to Ellensburg Reach || 39 || Merge (HUC12) || 170300010503, 170300010504 ||
| 18 || Taneum Creek || Thorp to Ellensburg Reach || 39 || HUC 12 MERGE || 170300010503
170300010504
| Taneum Creek and its tributaries
|-
|-
| 19 || Manastash Creek || Thorp to Ellensburg Reach || 39 || Merge (HUC12) || 170300010508, 170300010509 ||  
| 19 || Manastash Creek || Thorp to Ellensburg Reach || 39 || HUC 12 MERGE (one partial) || 170300010508
170300010509
(170300010511) || Manastash Creek and its tributaries
|-
|-
| 20 || Reecer Creek || Thorp to Ellensburg Reach || 39 || HUC12 || 170300010510 ||  
| 20 || Reecer Creek || Thorp to Ellensburg Reach || 39 || HUC12 || 170300010510 || Reecer Creek and its tributaries
|-
|-
| 21 || Swauk Creek || Thorp to Ellensburg Reach || 39 || Merge (HUC12) || 170300010501, 170300010502 ||
| 21 || Swauk Creek || Thorp to Ellensburg Reach || 39 || HUC 12 MERGE || 170300010501
170300010502
| Swauk Creek and its tributaries
|-
|-
| 22 || Upper Canyon - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || HUC12 || 170300010505 ||  
| 22 || Upper Canyon - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || HUC12 || 170300010505 || Yakima River from Teanawya River to Taneum Creek and all its tributaries except Swauk Creek
|-
|-
| 23 || Thorp Reach - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || Merge (HUC12) || 170300010506, 170300010507 ||
| 23 || Thorp Reach - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || HUC 12 MERGE || 170300010506
170300010507
| Yakima River from Taneum Creek to Manastash Creek and all its tributaries except Reecer Creek
|-
|-
| 24 || Ellensburg Reach - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || Split (HUC12) || 170300010511 ||  
| 24 || Ellensburg Reach - Yakima River Mainstem || Thorp to Ellensburg Reach || 39 || HUC12 Split || (170300010511) || Yakima River and its tributaries from Manastash Creek to Wilson Creek
|-
|-
| 25 || Wilson/Naneum Creek || Ellensburg Area Watershed || 39 || Merge (HUC12) || 170300010401, 170300010402, 170300010408 ||  
| 25 || Wilson/Naneum Creek || Ellensburg Area Watershed || 39 || HUC 12 MERGE || 170300010401
170300010402
170300010408 || Wilson Creek and all its tributaries except Coleman and Cherry Creeks
|-
|-
| 26 || Coleman Creek || Ellensburg Area Watershed || 39 || HUC12 || 170300010403 ||  
| 26 || Coleman Creek || Ellensburg Area Watershed || 39 || HUC12 || 170300010403 || Coleman Creek and its tributaries
|-
|-
| 27 || Cherry Creek || Ellensburg Area Watershed || 39 || Merge (HUC12) || 170300010404,170300010405,170300010406,170300010407,170300010409 ||  
| 27 || Cherry Creek || Ellensburg Area Watershed || 39 || HUC 12 MERGE || 170300010404
170300010405
170300010406
170300010407
170300010409 || Cherry Creek and its tributaries
|-
|-
| 29 || Yakima Canyon || Yakima Canyon Reach || 39 || Merge (HUC12) || 170300010702, 170300010703, 170300010704, 170300010705, 170300010706, 170300010707, 170300010708 ||  
| 28 || Yakima Canyon || Yakima Canyon Reach || 39 || HUC 12 MERGE || 170300010702
170300010703
170300010704
170300010705
170300010706
170300010707
170300010708 || Yakima River from Wilson Creek to Selah Creek and all its tributaries except Umtanum Creek
|-
|-
| 29 || Selah Reach - Yakima River Mainstem || Yakima Canyon Reach || 39 || HUC12 || 170300010709 ||  
| 29 || Selah Reach - Yakima River Mainstem || Yakima Canyon Reach || 39 || HUC12 || 170300010709 || Yakima river from Selah Creek to the Naches River and all its tributaries except Wenas Creek
|-
|-
| 30 || Umtanum Creek || Yakima Canyon Reach || 39 || HUC12 || 170300010701 ||  
| 30 || Umtanum Creek || Yakima Canyon Reach || 39 || HUC12 || 170300010701 || Umtanum Creek and its tributaries
|-
|-
| 31 || Wenas Creek || Wenas Watershed || 39 || Merge (HUC12) || 170300010601, 170300010602, 170300010603, 170300010604, 170300010605 ||  
| 31 || Wenas Creek || Wenas Watershed || 39 || HUC 12 MERGE || 170300010601
170300010602
170300010603
170300010604
170300010605 || Wenas Creek and its tributaries
|}
|}


Revision as of 15:15, 25 October 2025

We have divided the Yakima Basin into geographic reaches based on tributary watersheds and mainstem reaches. While we tried to follow HUC boundaries where possible, this is a unique arrangement that is meant to match how we talk about places in the basin.

The links below take you to individual pages for each area, where you can find detailed information on the watersheds, streams and river reaches in each geographic unit.

REDO INTRO; BUILD OUT LINKS BELOW

Geographic Frameworks Used in the Yakima Basin

Recovery Board system

HUC system: https://www.usgs.gov/national-hydrography/watershed-boundary-dataset

Population areas by species

Subbasin Plan Assessment Units

ADD LINK/IFRAME FOR FUTURE WEB MAP

River miles?

More information on the default geographic organization used in Yakipedia can be found below.

Yakima Basin

An online GIS layer for the Yakima Basin can be found here: ADD LINK TO GIS PORTAL

It makes up approximately 10% of the state of Washington, with an area of ADD.

The Yakima Basin is both a USGS HUC 4 (1703) and HUC 6 watershed (17030001) within the HUC 2 Region #17 (Pacific Northwest); interestingly there is no HUC designation for the Columbia Basin.

The Northwest Power and Conservation Council uses the Columbia Basin as its top-level unit, which is divided into Provinces and then subbasins. The Yakima Basin is #62 of the 62 total subbasins, and is one of 11 subbasins within the Columbia Plateau Province. You can see a map of this framework here:. https://www.nwcouncil.org/subbasin-plans/map/ The 2004 Yakima Subbasin Plan LINK divided the Yakima Subbasin into ?? assessment units FIND/LINK TO MAP.

The Yakima Basin makes up approximately 2/3rds of the State of Washington's Middle Columbia Salmon Recovery Region. Link

The Yakima Basin is one of four Major Population Groups (MPGs) withing NOAA's Middle Columbia River Steelhead Distinct Population Segment (DPS).

The Yakima Basin is designated by USFWS as one of 24 Occupied Core Areas within the Mid-Columbia Bull Trout Evolutionarily Significant Unit (ESU).

Add Map of Yakima in state?

WRIAs

Washinton State's Water Resource Areas (WRIAs) are our top-level breakout unless there is a compelling reason to us a different geographic framework. There are three WRIAs in the Yakima Basin, and they are consistent with the USGS HUC 8s.

WRIAs in the Yakima Basin

WRIA Name HUC 8 Description
37 Lower Yakima 17030003 Yakima River and all its tributaries below the Naches River confluence
38 Naches 17030002 Naches River and all its tributaries
39 Upper Yakima 17030001 Yakima River and all its tributaries above the Naches River confluence

See map below.

Mid-Level Geographic Units

Middle layer are either watersheds (when all areas that drain to the lowest point in a unit are included in the unit) or reaches (when water flows into a unit from an upstream unit). We have designated 18 Mid-Level Units; they are consistent with HUC 10 watersheds except where we have a specific reason to split and/or combine HUC 10s. We use names that match local usage, which differ from the often-inscrutable official HUC names.

WRIAs and Mid-level Geographic Units


Mid-Level Geographic Units

Unit Name WRIA HUC 10(s) Description
1 Upper Yakima Watershed 39 1703000103 Yakima River and all tributaries except the Cle Elum from Cascade Crest to the mouth of the Teanaway, including Kachess and Keechelus Lakes
2 Cle Elum Watershed 39 1703000101 Cle Elum River and all its tributaries
3 Teanaway Watershed 39 1703000102 Teanaway River and all its tributaries
4 Thorp to Ellensburg Reach 39 1703000105 Yakima River and its tributaries from the mouth of the Teanaway downstream to the mouth of Wilson Creek
5 Ellensburg Area Watershed 39 1703000104 Wilson Creek and all of its tributaries
6 Yakima Canyon Reach 39 1703000107 Yakima River and its tributaries (except Wenas Creek) between the mouth of Wilson Creek and the mouth of the Naches
7 Wenas Watershed 39 1703000106 Wenas Creek and all its tributaries
8 Upper Naches Watershed 38 1703000201 American, Bumping and Little Naches Rivers and all their tributaries, including Bumping Lake
9 Nile Reach 38 1703000202 The Naches River from the confluence of the Bumping and Little Naches to the confluence of the Tieton and its tributaries
10 Tieton Watershed 38 half of 1703000203 The Tieton River and its tributaries including Rimrock Lake
11 Lower Naches Reach 38 half of 1703000203 Naches River and its tributaries from the mouth of the Tieton to the confluence with the Yakima, including Cowiche Creek
12 Gap to Gap Reach 37 1703000302 Yakima River and its tributaries from the mouth of the Naches to the mouth of Ahtanum Creek
13 Ahtanum Watershed 37 1703000301 Ahtanum Creek and all its tributaries
14 Wapato Reach 37 1703000304, 1703000305 & part of 1703000310 Yakima River from Union Gap to approximately 4.25 miles below the mouth of Satus Creek
15 Toppenish Watershed 37 1704000306 & 1704000303 Toppenish Creek and all its tributaries
16 Satus Watershed 37 1704000307 & 1704000308 Satus Creek and all its tributaries
17 Mabton Reach 37 1703000309 and part of 1703000310 Yakima River and its tributaries from approximately 4.25 miles below the mouth of Satus Creek to just downstream of the Benton County line
18 Lower Yakima 37 1703000312, 1703000311 & part of 1703000310 Yakima River and its tributaries from just below the Benton County line to the confluence of the Yakima and Columbia Rivers

Geographic Units

Geographic units are the smallest spatial unit in our framwork and are named after the dominant creek or river that passes through them. The are mean to represent a convenient scale at which to describe watersheds and reaches that are less numerous than HUC 12s (69 geographic units vs 153 HUCs) and and have names that intuitively describe their geography. Where possible these consist of one or more complete HUC 12s, but in some cases creating units that match general usage in the basin requires either combining or splitting HUC 12s.

WRIA 39 Upper Yakima Geographic Units

# Geographic Unit Mid-level Unit WRIA Source HUC12_List Description
1 Gold Creek Upper Yakima Watershed 39 HUC12 Split (170300010301) Gold Creek and its tributaries
2 Keechelus Lake Upper Yakima Watershed 39 HUC12 Split (170300010301) Keechelus Lake and all tributaries except Gold Creek
3 Upper Kachess River Upper Yakima Watershed 39 HUC12 split (170300010303) Upper Kachess River and its tributaries
4 Box Canyon Creek Upper Yakima Watershed 39 HUC12 Split (170300010303) Box Canyon Creek and its tributaries
5 Kachess Lake Upper Yakima Watershed 39 HUC12 Split (170300010303) Kachess Lake and all its tributaries except Box Canyon and Upper Kachess
6 Cabin Creek Upper Yakima Watershed 39 HUC12 170300010302 Cabn Creek and its tributaries
7 Big Creek Upper Yakima Watershed 39 HUC12 170300010305 Big Creek and its tributaries
8 Upper Yakima River Mainstem Upper Yakima Watershed 39 HUC12 170300010304 Yakima River from Keechelus Dam to Easton Lake and all its tributaries except Cabin Creek
9 Easton Reach - Yakima River Mainstem Upper Yakima Watershed 39 HUC 12 170300010306 Yakima River from Easton Lake to the Cle Eum River and all its tributaries except Big Creek
10 Cle Elum Reach - Yakima River Mainstem Upper Yakima Watershed 39 HUC12 170300010307 Yakima River from the Cle Elum River to the Teanaway River and all its tributaries
11 Waptus River Cle Elum Watershed 39 HUC12 170300010101 Waptus River and its tributaries
12 Cooper River Cle Elum Watershed 39 HUC12 170300010103 Cooper River and its tributaries
13 Cle Elum River Cle Elum Watershed 39 HUC 12 MERGE 170300010102

170300010104 170300010105 170300010106

Cle Elum River and Lake and all their tributaries except the Wapatus and Cooper Rivers
14 North Fork Teanaway River Teanaway Watershed 39 HUC 12 MERGE 170300010201

170300010204

North Forl Teanaway and its tributaries
15 Middle Fork Teanaway River Teanaway Watershed 39 HUC12 170300010202 Middle Forl Teanaway and its tributaries
16 West Fork Teanaway River Teanaway Watershed 39 HUC12 170300010203 West Forl Teanaway and its tributaries
17 Mainstem Teanaway River Teanaway Watershed 39 HUC12 170300010205 Mainstem Teanaway River from the confluence of the Middle and West Forks to its mouth and all its tributaries except the North Fork
18 Taneum Creek Thorp to Ellensburg Reach 39 HUC 12 MERGE 170300010503

170300010504

Taneum Creek and its tributaries
19 Manastash Creek Thorp to Ellensburg Reach 39 HUC 12 MERGE (one partial) 170300010508

170300010509 (170300010511) || Manastash Creek and its tributaries

20 Reecer Creek Thorp to Ellensburg Reach 39 HUC12 170300010510 Reecer Creek and its tributaries
21 Swauk Creek Thorp to Ellensburg Reach 39 HUC 12 MERGE 170300010501

170300010502

Swauk Creek and its tributaries
22 Upper Canyon - Yakima River Mainstem Thorp to Ellensburg Reach 39 HUC12 170300010505 Yakima River from Teanawya River to Taneum Creek and all its tributaries except Swauk Creek
23 Thorp Reach - Yakima River Mainstem Thorp to Ellensburg Reach 39 HUC 12 MERGE 170300010506

170300010507

Yakima River from Taneum Creek to Manastash Creek and all its tributaries except Reecer Creek
24 Ellensburg Reach - Yakima River Mainstem Thorp to Ellensburg Reach 39 HUC12 Split (170300010511) Yakima River and its tributaries from Manastash Creek to Wilson Creek
25 Wilson/Naneum Creek Ellensburg Area Watershed 39 HUC 12 MERGE 170300010401

170300010402 170300010408 || Wilson Creek and all its tributaries except Coleman and Cherry Creeks

26 Coleman Creek Ellensburg Area Watershed 39 HUC12 170300010403 Coleman Creek and its tributaries
27 Cherry Creek Ellensburg Area Watershed 39 HUC 12 MERGE 170300010404

170300010405 170300010406 170300010407 170300010409 || Cherry Creek and its tributaries

28 Yakima Canyon Yakima Canyon Reach 39 HUC 12 MERGE 170300010702

170300010703 170300010704 170300010705 170300010706 170300010707 170300010708 || Yakima River from Wilson Creek to Selah Creek and all its tributaries except Umtanum Creek

29 Selah Reach - Yakima River Mainstem Yakima Canyon Reach 39 HUC12 170300010709 Yakima river from Selah Creek to the Naches River and all its tributaries except Wenas Creek
30 Umtanum Creek Yakima Canyon Reach 39 HUC12 170300010701 Umtanum Creek and its tributaries
31 Wenas Creek Wenas Watershed 39 HUC 12 MERGE 170300010601

170300010602 170300010603 170300010604 170300010605 || Wenas Creek and its tributaries


WRIA 38 Naches Geographic Units

# Geographic Unit Mid-level Unit WRIA Source HUC12_List Description
32 Little Naches River Upper Naches Watershed 38 Merge (HUC12) 170300020101,170300020102,170300020103 Little Naches River and its trbutaries
33 Bumping River Upper Naches Watershed 38 HUC12 Split 170300020104,170300020105,170300020108 Bumping River and its tributaries; includes Bumping Lake
34 American River Upper Naches Watershed 38 HUC12 Split 170300020106,170300020107 American River and its tributaries
35 Upper Naches River Nile Reach 38 HUC12 170300020202 Naches River and its tributaries from the confluence of the American and Bumping Rivers to ??CHECK??
36 Nile Creek Nile Reach 38 HUC12 170300020203 Nile Creek and its tributaries
37 Rattlesnake Creek Nile Reach 38 Merge (HUC12) 170300020204, 170300020205, 170300020206
38 Middle Naches River (Nile) Nile Reach 38 Merge (HUC12) 170300020207,170300020208
39 Clear Creek Tieton Watershed 38 HUC12 170300020301
40 North Fork Tieton River Tieton Watershed 38 HUC12 170300020302
41 South Fork Tieton River Tieton Watershed 38 Merge (HUC12) 170300020303, 170300020304
42 Indian Creek Tieton Watershed 38 HUC12 Split (170300020305)
43 Rimrock Lake Tieton Watershed 38 HUC12 Split (170300020305)
44 Tieton River Tieton Watershed 38 Merge (HUC12) 170300020306, 170300020308
45 Oak Creek Tieton Watershed 38 HUC12 170300020307
46 Lower Naches River Lower Naches Reach 38 HUC12 170300020312
47 Cowiche Creek Lower Naches Reach 38 HUC12 Split 170300020309,170300020310,170300020311

WRIA 37 Lower Yakima Geographic Units

# Geographic Unit Mid-level Unit WRIA Source HUC12_List Description
48 Gap to Gap Reach - Yakima River Mainstem Gap to Gap Reach 37 HUC12 170300030206
49 Wide Hollow Creek Gap to Gap Reach 37 Merge (HUC12) 170300030204,170300030205
50 Moxee Drain Gap to Gap Reach 37 HUC12 170300030201, 170300031102, 170300031103
51 Ahtanum Creek Ahtanum Watershed 37 Merge (HUC12) 170300030101, 170300030102, 170300030103, 170300030104, 170300030105
52 Wapato Reach - Yakima River Mainstem Wapato Reach 37 Merge (HUC12) 170300030501, 170300030502, 170300030503, 170300030506, 170300031001, 170300031002
53 Wanity Slough and Marion Drain Wapato Reach 37 Merge (HUC12) 170300030401,170300030402,170300030403
54 Granger Drain Wapato Reach 37 Merge (HUC12) 170300030504,170300030505
55 Upper Toppenish Creek Toppenish Watershed 37 Merge (HUC12) 170300030601,170300030602,170300030603,170300030605
56 Simcoe Creek Toppenish Watershed 37 170300030301, 170300030302, 170300030303, 170300030304, 170300030305
57 Lower Toppenish Creek Toppenish Watershed 37 Merge (HUC12) 170300030604,170300030606,170300030607
58 Upper Satus Creek Satus Watershed 37 Merge (HUC12) 170300030701,170300030701,170300030702,170300030706
59 Dry Creek Satus Watershed 37 Merge (HUC12) 170300030801,170300030802,170300030803
60 Logy Creek Satus Watershed 37 Merge (HUC12) 170300030703,170300030704,170300030705
61 Lower Satus Creek Satus Watershed 37 Merge (HUC12) 170300030804,170300030805,170300030806,170300030807
62 Mabton Reach - Yakima River Mainstem Mabton Reach 37 HUC12 170300031003,170300031004
63 Sulphur Creek Wasteway Mabton Reach 37 Merge (HUC12) 170300030901,170300030902,170300030903,170300030904,170300030905,170300030906
64 Prosser Reach - Yakima River Mainstem Lower Yakima 37 HUC12 170300031007
65 Lower Yakima Reach - Yakima River Mainstem Lower Yakima 37 HUC12 (170300031003),(170300031005),170300031202
66 Spring and Snipes Creeks Lower Yakima 37 HUC12 170300031005,170300031006
67 Corral Creek Lower Yakima 37 HUC12 170300031201
68 Cold Creek Lower Yakima 37 HUC12 170300031101, 170300031102, 170300031103, 170300031104, 170300031105, 170300031106, 170300031107, 170300031108, 170300031109
69 Amon Creek Lower Yakima 37 HUC12 170300031204

ADD LINKS FROM BELOW TO TABLE:

  1. Prosser Reach - Yakima River Mainstem
  2. Lower Yakima Reach - Yakima River Mainstem
  3. Spring and Snipes Creeks
  4. Corral Creek
  5. Cold Creek
  6. Amon Creek Wasteway
  7. Yakima Delta
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