Fishing in Washington County, Oregon
County seat: Hillsboro. Population 600,372.
- 4lake pages
- 14open launches
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First look at fishing in Washington County
Census 2020 placed 600,372 people in Washington County, governed from Hillsboro. In the booklet, the bulk of Washington County waters sit in the ODFW Willamette Zone pages, since zones track watersheds.
Henry Hagg Lake leads the 4 paged lakes reaching into Washington County by outline acreage. OSMB maps 14 open launches here, 5 of them built for trailered boats.
Census 2020 population; BLM Oregon NHD lake outlines; OSMB Boating Access Sites; DLCD and ODFW shore access layers; 2026 Oregon Sport Fishing Regulations zone lists; read November 2, 2026.
Launches, lakes and shore spots of Washington County on one map
OSMB launch points, DLCD and ODFW shore sites, NHD lake points, PMEP estuary points; read November 2, 2026.
Reservoirs inside Washington County
| Lake | Acres | Kind | OSMB launches | Fish mapped |
|---|---|---|---|---|
| Henry Hagg Lake | 1,086 (outline) | lake | 4 | bluegill, brown bullhead, largemouth bass |
| Barney Reservoir | 342 (outline) | reservoir | 1 | brown bullhead, cutthroat trout, rainbow trout |
| Dorman Pond | 11 (outline) | lake | 1 | largemouth bass, rainbow trout |
| Commonwealth Lake | 6 (outline) | lake | 0 | black crappie, bluegill, brown bullhead |
BLM Oregon hydrography lake outlines (NHD), summed by GNIS name (layer), read November 2, 2026. Species: ODFW Fish Habitat Distribution layers (ODFW ArcGIS), read November 2, 2026; a mapped species is habitat use ODFW records, not a catch report. ODFW publishes no lake depths in these layers.
For the bullhead herePiscifun Chaos XS round baitcaster36% OFFSale $57.99 The species tally near Washington County
Each bar counts the lake, river and bay pages within 40 miles of Hillsboro that list the fish; rainbow trout shows up most.
Species from ODFW Fish Habitat Distribution layers, booklet exceptions and ODFW records, counted per water page within 40 miles; habitat mapping, not a catch survey.
Lakes of Washington County listed here only
10 smaller lakes in Washington County are listed here only.
| Water | Acres (outline) | Nearest place |
|---|---|---|
| Stimson Millpond | 46 | Forest Grove |
| Walters Reservoir | 22 | Cornelius |
| Jesse Reservoir | 17 | Cornelius |
| Sunset Log Pond | 17 | North Plains |
| Graham Reservoir | 15 | Forest Grove |
| Hartwick Reservoir | 14 | Banks |
| Dober Reservoir | 14 | Cornelius |
| S I C Reservoir | 13 | Cornelius |
| Lind Reservoir | 12 | North Plains |
| Teufel Reservoir | 10 | Hillsboro |
BLM Oregon hydrography lake outlines (NHD), summed by GNIS name (layer), read November 2, 2026.
River guides for Washington County
More river names in Washington County (3)
- Middle Fork North Fork Trask Riverstream
- North Fork North Fork Trask RiverODFW maps coho runs
- South Fork Nehalem RiverODFW maps coho and winter steelhead runs
Gauge stations around Washington County
| USGS gauge | Latest reading | Time (ET) |
|---|---|---|
| Scoggins Ck Blw Henry Hagg Lake, Nr Gaston, Or | 147 cfs | Oct 1 2:45 am Not updated since Oct 1, 2006. |
| Tualatin River At Hwy 219 Near Hillsboro, Or | 296 cfs, 3.99 ft gage height | Nov 11 8:30 pm |
| Tualatin River Near Dilley, Or | 145 cfs, 11.00 ft gage height | Nov 11 9:20 pm |
| Ef Dairy Cr Abv Murtaugh Cr Nr Meacham Corner, Or | 12 cfs, 5.76 ft gage height | Nov 11 9:00 pm |
| Fanno Creek At Durham, Or | 23 cfs, 2.53 ft gage height | Nov 11 8:45 pm |
| Wapato Creek At Sw Gaston Road, At Gaston, Or | 3 cfs, 2.63 ft gage height | Nov 11 9:15 pm |
US Geological Survey provisional data, retrieved Nov 11, 2026 9:33 pm ET. Provisional readings can be revised.
ODFW Fish Habitat Distribution stream names and runs, OSMB launches, booklet exceptions and USGS gauges; read November 2, 2026.
OSMB launches in Washington County
- 99W Bridge Access on Tualatin RiverTualatin River, hand carry launch
- Barney Reservoir launchBarney Reservoir, 1 lane, hand carry launch
- Bethany Lake ParkBethany Lake, hand carry launch
- C-Ramp on Henry Hagg LakeHenry Hagg Lake, 3 lanes, trailered launch
- Cook Park on Tualatin RiverTualatin River, 1 lane, trailered launch
- Dam Overlook launch on Henry Hagg LakeHenry Hagg Lake, hand carry launch
- Dorman Pond launchDorman Pond, 1 lane, hand carry launch
- Eagle Point (A) Ramp on Henry Hagg LakeHenry Hagg Lake, 2 lanes, trailered launch
- Elks Recreation Area launch on Henry Hagg LakeHenry Hagg Lake, 1 lane, hand carry launch
- Farmington Paddle Launch on Tualatin RiverTualatin River, hand carry launch
- Jurgens Park Paddle Launch on Tualatin RiverTualatin River, hand carry launch
- King City Community Park on Tualatin RiverTualatin River, 1 lane, hand carry launch
- Rood Bridge Park on Tualatin RiverTualatin River, 1 lane, trailered launch
- Tualatin Community ParkTualatin River, 1 lane, trailered launch
Launches marked closed on the OSMB layer get no page; restricted ones carry the OSMB note on theirs.
Oregon State Marine Board Boating Access Sites layer (OSMB ArcGIS), read November 2, 2026; status as OSMB publishes it. Oregon Coastal Management Program (DLCD) Shoreline Access Inventory (layer) and the ODFW shore access map, read November 2, 2026.
Planned trout plants across Washington County
ODFW lists 43 planned plants across 3 waters of Washington County, adding up to 120,932 trout.
- Henry Hagg Lake30 releases planned, next listed: Oct. 18, 2027 – Oct. 22, 2027: 3,000 legal-size, 1,100 trophy trout
- Dorman Pond7 releases planned, next listed: May. 31, 2027 – Jun. 04, 2027: 520 trophy trout
- Commonwealth Lake6 releases planned, next listed: May. 03, 2027 – May. 07, 2027: 2,000 legal-size, 244 trophy trout
ODFW weekly trout stocking schedule (planned releases; ODFW prints size classes, not species), myodfw.com, read November 2, 2026.
Daily limits for Washington County waters
Begin with the zone rows for Washington County, then check the exception list for the water you fish. Budget $50 if you live in Oregon, $138 if not, for the annual angling license. Salmon, steelhead, sturgeon and halibut also go on a Combined Angling Tag ($69 resident).
| Species | Limit | Season |
|---|---|---|
| Trout | Lakes: 5 per day, 3 daily limits in possession. Streams: catch-and-release only, unless noted under Exceptions; 8-inch minimum | Lakes: Open all year. Streams: Open May 22 – Oct 31 unless noted under Exceptions. |
| Kokanee | 10 per day unless noted under Exceptions. | Open all year. |
| Salmon and Steelhead below Willamette Falls and Columbia River Tributa. | In the aggregate: 2 adult salmon or steelhead per day, 20 per year. 5 jacks per day, 2 daily jack limits in possession. | Closed in all waters unless noted under Exceptions. |
| Salmon above Willamette Falls | 2 adult salmon per day, 5 jacks per day, 2 daily jack limits in possession. 20 salmon and steelhead per year in aggregate. | Closed in all waters unless noted under Exceptions. |
| Steelhead above Willamette Falls | 3 adult steelhead per day (in addition to daily salmon bag limit). 20 salmon and steelhead per year in aggregate. | Closed in all waters unless noted under Exceptions. |
| Sturgeon | Catch-and-release only, unless noted under Exceptions. | Catch-and-release: Open all year, except as noted under Exceptions. |
| Bass | Lakes: 5 per day, 3 daily limits in possession unless noted under Exceptions. Streams: No limit. | Lakes: Open all year. Streams: Open during trout, salmon or steelhead seasons, except mainstem Willamette River and sloughs and tidewater areas of Columbia. |
| Bluegill, Catfish, Crappie, Other Sunfish, Walleye, Yellow Perch, Stri. | No limit, unless noted under Exceptions. | Lakes: Open all year. Streams: Open during trout, salmon or steelhead seasons, except mainstem Willamette River and sloughs and tidewater areas of Columbia. |
| Pacific Lamprey | Refer to General (Statewide) Regulations for regulations covering the harvest of Pacific lamprey. | Refer to General (Statewide) Regulations for regulations covering the harvest of Pacific lamprey. |
| Smelt | Closed. | Closed. |
Water-by-water rules in Washington County (10)
| Water | Species | Rule | Booklet |
|---|---|---|---|
| Barney Reservoir | trout | Catch-and-release for trout. | p. 28 |
| Barney Reservoir | Artificial flies and lures only. | p. 28 | |
| Commonwealth Lake | bass | 1 bass per day. | p. 44 |
| Commonwealth Lake | crappie | 10 crappie per day. | p. 44 |
| Commonwealth Lake | catfish | 2 channel catfish per day. | p. 44 |
| Commonwealth Lake | warmwater | No minimum length on warmwater fish. | p. 44 |
| Henry Hagg Lake | Open all year. | p. 46 | |
| Henry Hagg Lake | bass | 1 bass per day. | p. 46 |
| Henry Hagg Lake | crappie | 25 crappie per day. | p. 46 |
| Henry Hagg Lake | warmwater | No minimum length on warmwater fish. | p. 46 |
Limits as printed in the 2026 Oregon Sport Fishing Regulations (ODFW, eRegulations edition) (Willamette Zone page), read November 2, 2026. Water exceptions as printed in the 2026 Oregon Sport Fishing Regulations (ODFW, eRegulations edition) (booklet PDF; printed page shown), read November 2, 2026. In-season changes from ODFW override them. Fees as printed on the ODFW license, tag and permit fee page of the 2026 Oregon Sport Fishing Regulations (ODFW, eRegulations edition) (fees page), read November 2, 2026.
Record-book catches around Washington County
| Species | Weight | Water | Date |
|---|---|---|---|
| Smallmouth Bass | 8 lb 1.76 oz | Henry Hagg Lake | 2005 |
| Bullhead Catfish | 3 lb 7 oz | Henry Hagg Lake | 2001 |
Oregon record fish as listed by Oregon Department of Fish and Wildlife (record fish article, dated March 4, 2026), read November 2, 2026.
Gear stores across Washington County
Washington County bait and tackle
- First Bite Tacklebait and tackle shop, Beaverton
- Headwaters Bamboo Rod Cobait and tackle shop, Hillsboro
- Hoggs Jo Mar Hardcore Tacklebait and tackle shop, Hillsboro
- River City Fly Shopfly shop, Beaverton
- Sunrise Baitbait and tackle shop, Gaston
- Bass Pro Shops Tualatinsporting goods store, Tualatin
- Bi-Mart (Aloha)sporting goods store, Beaverton
- Bi-Mart (Beaverton)sporting goods store, Beaverton
- Bi-Mart (Forest Grove)sporting goods store, Forest Grove
- Bi-Mart (Hillsboro)sporting goods store, Hillsboro
- Bi-Mart (Tigard East)sporting goods store, Tigard
- Dick's Sporting Goods Hillsborosporting goods store, Hillsboro
- Dick's Sporting Goods Tigardsporting goods store, Tigard
- Sportsman's Warehouse Hillsborosporting goods store, Hillsboro
Yellow Pages and store-locator listings, guide and charter business listings (county of the business), read November 2, 2026.
Close by Washington County
Town guides for Washington County
- Hillsboropop. 106,447
- Beavertonpop. 97,494
- Tigardpop. 54,539
- Alohapop. 53,828
- Bethanypop. 31,350
- Tualatinpop. 27,942
- Forest Grovepop. 26,225
- Sherwoodpop. 20,450
- Cedar Millpop. 17,259
- Corneliuspop. 12,694
- Oak Hillspop. 11,903
- Bull Mountainpop. 9,992
- Rockcreekpop. 9,862
- West Haven-Sylvanpop. 9,299
- Cedar Hillspop. 8,379
- West Slopepop. 7,223
Neighbours of Washington County
- Yamhill County24 miles southwest
- Columbia County27 miles north
- Tillamook County33 miles west
- Multnomah County33 miles east
Piscifun tackle that suits a trip to Washington County
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What the Washington County species look like
Photo: Thomas Quine, CC BY 2.0
Photo: U.S. Fish and Wildlife Service Headquarters, CC BY 2.0
Photo: Oregon State University, CC BY-SA 2.0
Photo: robposse, CC BY 2.0
Fishing in Washington County: the questions that come up
Can I launch a trailered boat in Washington County?
Count 14 open launches, 5 for trailers.
Which Washington County lake has the widest outline?
Henry Hagg Lake, about 1,086 acres on its mapped outline.
What species live in water around Washington County?
Rainbow trout lead the count of water pages within 40 miles, then largemouth bass, cutthroat trout and steelhead.
Where can Washington County anglers buy roe, shrimp or worms?
Try First Bite Tackle; 14 are listed.
How many guide or charter listings give Washington County as home port?
No guide names it; the Oregon guides page has the roster.
Where is Washington County governed from?
The seat is Hillsboro.
What does ODFW charge an out-of-state angler in Washington County?
A year of Oregon angling privileges costs $50 in state and $138 from out of state this season. For salmon and steelhead the booklet adds the Combined Angling Tag at $69 resident.
Which Oregon counties are a short drive from Washington County?
Try Yamhill County, Columbia County and Tillamook County.
Which booklet zone applies in Washington County?
Most waters ODFW lists in Washington County fall under the ODFW Willamette Zone table, though zone lines follow drainages rather than county lines.
Are there water-specific limits in Washington County?
The 2026 booklet prints 10 water exceptions reaching this county, starting with Barney Reservoir; the table above shows each.
Where are stocked lakes in Washington County?
Yes: 3 waters on the ODFW schedule, such as Henry Hagg Lake, Dorman Pond and Commonwealth Lake; releases are planned, not confirmed.
What record-list weights trace to Washington County?
Smallmouth Bass, 8 lb 1.76 oz, from Henry Hagg Lake (2005).
Point the rig toward Washington County
Each Oregon river page shows its USGS gauges live.