TUALATIN RIVER AT WEST LINN, OR
USGS 14207500 · Oregon · reports discharge (live), gauge height
Reading TUALATIN RIVER AT WEST LINN, OR…
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USGS 14207500 · Oregon · reports discharge (live), gauge height
What the agencies suggest
Use a thermometer to check water temperatures frequentlyOregon Department of Fish and Wildlife
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 7:50 PM PST · provisional USGS data
Normal for Nov 5 Steady · 24 h Below NWS action stage
Discharge, last 7 days: 185 readings from Oct 29, 8:50 PM PDT to Nov 5, 7:50 PM PST; ranging 218 to 478 ft³/s; latest 239 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 7:50 PM PST | 239 | 2.99 | 190–687 |
| Nov 5, 6:55 PM PST | 239 | 2.99 | 190–687 |
| Nov 5, 6:00 PM PST | 242 | 3 | 190–687 |
| Nov 5, 5:05 PM PST | 242 | 3 | 190–687 |
| Nov 5, 4:10 PM PST | 242 | 3 | 190–687 |
| Nov 5, 3:15 PM PST | 239 | 2.99 | 190–687 |
| Nov 5, 2:20 PM PST | 239 | 2.99 | 190–687 |
| Nov 5, 1:25 PM PST | 236 | 2.98 | 190–687 |
| Nov 5, 12:30 PM PST | 236 | 2.98 | 190–687 |
| Nov 5, 11:35 AM PST | 233 | 2.97 | 190–687 |
| Nov 5, 10:40 AM PST | 230 | 2.96 | 190–687 |
| Nov 5, 9:45 AM PST | 230 | 2.96 | 190–687 |
| Nov 5, 8:50 AM PST | 227 | 2.95 | 190–687 |
| Nov 5, 7:55 AM PST | 227 | 2.95 | 190–687 |
| Nov 5, 7:00 AM PST | 230 | 2.96 | 190–687 |
| Nov 5, 6:05 AM PST | 230 | 2.96 | 190–687 |
| Nov 5, 5:10 AM PST | 233 | 2.97 | 190–687 |
| Nov 5, 4:15 AM PST | 233 | 2.97 | 190–687 |
| Nov 5, 3:20 AM PST | 236 | 2.98 | 190–687 |
| Nov 5, 2:25 AM PST | 236 | 2.98 | 190–687 |
| Nov 5, 1:30 AM PST | 236 | 2.98 | 190–687 |
| Nov 5, 12:35 AM PST | 236 | 2.98 | 190–687 |
| Nov 4, 11:40 PM PST | 236 | 2.98 | 173–682 |
| Nov 4, 10:45 PM PST | 236 | 2.98 | 173–682 |
| Nov 4, 9:50 PM PST | 236 | 2.98 | 173–682 |
| Nov 4, 8:55 PM PST | 236 | 2.98 | 173–682 |
| Nov 4, 8:00 PM PST | 233 | 2.97 | 173–682 |
| Nov 4, 7:05 PM PST | 233 | 2.97 | 173–682 |
| Nov 4, 6:10 PM PST | 233 | 2.97 | 173–682 |
| Nov 4, 5:15 PM PST | 233 | 2.97 | 173–682 |
| Nov 4, 4:20 PM PST | 233 | 2.97 | 173–682 |
| Nov 4, 3:25 PM PST | 230 | 2.96 | 173–682 |
| Nov 4, 2:30 PM PST | 230 | 2.96 | 173–682 |
| Nov 4, 1:35 PM PST | 227 | 2.95 | 173–682 |
| Nov 4, 12:40 PM PST | 227 | 2.95 | 173–682 |
| Nov 4, 11:45 AM PST | 221 | 2.93 | 173–682 |
| Nov 4, 10:50 AM PST | 221 | 2.93 | 173–682 |
| Nov 4, 9:55 AM PST | 218 | 2.92 | 173–682 |
| Nov 4, 9:00 AM PST | 218 | 2.92 | 173–682 |
| Nov 4, 8:05 AM PST | 218 | 2.92 | 173–682 |
| Nov 4, 7:10 AM PST | 218 | 2.92 | 173–682 |
| Nov 4, 6:15 AM PST | 221 | 2.93 | 173–682 |
| Nov 4, 5:20 AM PST | 224 | 2.94 | 173–682 |
| Nov 4, 4:25 AM PST | 227 | 2.95 | 173–682 |
| Nov 4, 3:30 AM PST | 227 | 2.95 | 173–682 |
| Nov 4, 2:35 AM PST | 230 | 2.96 | 173–682 |
| Nov 4, 1:40 AM PST | 230 | 2.96 | 173–682 |
| Nov 4, 12:45 AM PST | 230 | 2.96 | 173–682 |
| Nov 3, 11:50 PM PST | 230 | 2.96 | 175–632 |
| Nov 3, 10:55 PM PST | 230 | 2.96 | 175–632 |
| Nov 3, 10:00 PM PST | 230 | 2.96 | 175–632 |
| Nov 3, 9:05 PM PST | 230 | 2.96 | 175–632 |
| Nov 3, 8:10 PM PST | 233 | 2.97 | 175–632 |
| Nov 3, 7:15 PM PST | 233 | 2.97 | 175–632 |
| Nov 3, 6:20 PM PST | 233 | 2.97 | 175–632 |
| Nov 3, 5:25 PM PST | 236 | 2.98 | 175–632 |
| Nov 3, 4:30 PM PST | 236 | 2.98 | 175–632 |
| Nov 3, 3:35 PM PST | 239 | 2.99 | 175–632 |
| Nov 3, 2:40 PM PST | 239 | 2.99 | 175–632 |
| Nov 3, 1:45 PM PST | 239 | 2.99 | 175–632 |
| Nov 3, 12:50 PM PST | 236 | 2.98 | 175–632 |
| Nov 3, 11:55 AM PST | 236 | 2.98 | 175–632 |
| Nov 3, 11:00 AM PST | 233 | 2.97 | 175–632 |
| Nov 3, 10:05 AM PST | 233 | 2.97 | 175–632 |
| Nov 3, 9:10 AM PST | 233 | 2.97 | 175–632 |
| Nov 3, 8:15 AM PST | 236 | 2.98 | 175–632 |
| Nov 3, 7:20 AM PST | 236 | 2.98 | 175–632 |
| Nov 3, 6:25 AM PST | 239 | 2.99 | 175–632 |
| Nov 3, 5:30 AM PST | 242 | 3 | 175–632 |
| Nov 3, 4:35 AM PST | 242 | 3 | 175–632 |
| Nov 3, 3:40 AM PST | 249 | 3.02 | 175–632 |
| Nov 3, 2:45 AM PST | 249 | 3.02 | 175–632 |
| Nov 3, 1:50 AM PST | 252 | 3.03 | 175–632 |
| Nov 3, 12:55 AM PST | 249 | 3.02 | 175–632 |
| Nov 3, 12:00 AM PST | 252 | 3.03 | 175–632 |
| Nov 2, 11:05 PM PST | 252 | 3.03 | 172–564 |
| Nov 2, 10:10 PM PST | 252 | 3.03 | 172–564 |
| Nov 2, 9:15 PM PST | 255 | 3.04 | 172–564 |
| Nov 2, 8:20 PM PST | 255 | 3.04 | 172–564 |
| Nov 2, 7:25 PM PST | 255 | 3.04 | 172–564 |
| Nov 2, 6:30 PM PST | 258 | 3.05 | 172–564 |
| Nov 2, 5:35 PM PST | 258 | 3.05 | 172–564 |
| Nov 2, 4:40 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 3:45 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 2:50 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 1:55 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 1:00 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 12:05 PM PST | 262 | 3.06 | 172–564 |
| Nov 2, 11:10 AM PST | 262 | 3.06 | 172–564 |
| Nov 2, 10:10 AM PST | 258 | 3.05 | 172–564 |
| Nov 2, 9:15 AM PST | 258 | 3.05 | 172–564 |
| Nov 2, 8:20 AM PST | 262 | 3.06 | 172–564 |
| Nov 2, 7:25 AM PST | 262 | 3.06 | 172–564 |
| Nov 2, 6:30 AM PST | 265 | 3.07 | 172–564 |
| Nov 2, 5:35 AM PST | 268 | 3.08 | 172–564 |
| Nov 2, 4:40 AM PST | 272 | 3.09 | 172–564 |
| Nov 2, 3:45 AM PST | 275 | 3.1 | 172–564 |
| Nov 2, 2:50 AM PST | 278 | 3.11 | 172–564 |
| Nov 2, 1:55 AM PST | 282 | 3.12 | 172–564 |
| Nov 2, 1:00 AM PST | 285 | 3.13 | 172–564 |
| Nov 2, 12:05 AM PST | 289 | 3.14 | 172–564 |
| Nov 1, 11:10 PM PST | 289 | 3.14 | 150–566 |
| Nov 1, 10:15 PM PST | 292 | 3.15 | 150–566 |
| Nov 1, 9:20 PM PST | 292 | 3.15 | 150–566 |
| Nov 1, 8:25 PM PST | 296 | 3.16 | 150–566 |
| Nov 1, 7:30 PM PST | 296 | 3.16 | 150–566 |
| Nov 1, 6:35 PM PST | 296 | 3.16 | 150–566 |
| Nov 1, 5:40 PM PST | 299 | 3.17 | 150–566 |
| Nov 1, 4:45 PM PST | 303 | 3.18 | 150–566 |
| Nov 1, 3:50 PM PST | 303 | 3.18 | 150–566 |
| Nov 1, 2:55 PM PST | 306 | 3.19 | 150–566 |
| Nov 1, 2:00 PM PST | 306 | 3.19 | 150–566 |
| Nov 1, 1:05 PM PST | 306 | 3.19 | 150–566 |
| Nov 1, 12:10 PM PST | 306 | 3.19 | 150–566 |
| Nov 1, 11:15 AM PST | 306 | 3.19 | 150–566 |
| Nov 1, 10:20 AM PST | 306 | 3.19 | 150–566 |
| Nov 1, 9:25 AM PST | 310 | 3.2 | 150–566 |
| Nov 1, 8:30 AM PST | 314 | 3.21 | 150–566 |
| Nov 1, 7:35 AM PST | 317 | 3.22 | 150–566 |
| Nov 1, 6:40 AM PST | 321 | 3.23 | 150–566 |
| Nov 1, 5:45 AM PST | 325 | 3.24 | 150–566 |
| Nov 1, 4:50 AM PST | 329 | 3.25 | 150–566 |
| Nov 1, 3:55 AM PST | 333 | 3.26 | 150–566 |
| Nov 1, 3:00 AM PST | 340 | 3.28 | 150–566 |
| Nov 1, 2:05 AM PST | 344 | 3.29 | 150–566 |
| Nov 1, 1:10 AM PST | 348 | 3.3 | 150–566 |
| Nov 1, 1:15 AM PDT | 352 | 3.31 | 150–566 |
| Nov 1, 12:20 AM PDT | 356 | 3.32 | 150–566 |
| Oct 31, 11:25 PM PDT | 360 | 3.33 | 158–577 |
| Oct 31, 10:30 PM PDT | 364 | 3.34 | 158–577 |
| Oct 31, 9:35 PM PDT | 368 | 3.35 | 158–577 |
| Oct 31, 8:40 PM PDT | 372 | 3.36 | 158–577 |
| Oct 31, 7:45 PM PDT | 376 | 3.37 | 158–577 |
| Oct 31, 6:50 PM PDT | 380 | 3.38 | 158–577 |
| Oct 31, 5:55 PM PDT | 384 | 3.39 | 158–577 |
| Oct 31, 5:00 PM PDT | 384 | 3.39 | 158–577 |
| Oct 31, 4:05 PM PDT | 388 | 3.4 | 158–577 |
| Oct 31, 3:10 PM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 2:15 PM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 1:20 PM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 12:25 PM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 11:30 AM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 10:35 AM PDT | 393 | 3.41 | 158–577 |
| Oct 31, 9:40 AM PDT | 397 | 3.42 | 158–577 |
| Oct 31, 8:45 AM PDT | 397 | 3.42 | 158–577 |
| Oct 31, 7:50 AM PDT | 401 | 3.43 | 158–577 |
| Oct 31, 6:55 AM PDT | 401 | 3.43 | 158–577 |
| Oct 31, 6:00 AM PDT | 405 | 3.44 | 158–577 |
| Oct 31, 5:05 AM PDT | 410 | 3.45 | 158–577 |
| Oct 31, 4:10 AM PDT | 414 | 3.46 | 158–577 |
| Oct 31, 3:15 AM PDT | 418 | 3.47 | 158–577 |
| Oct 31, 2:20 AM PDT | 418 | 3.47 | 158–577 |
| Oct 31, 1:25 AM PDT | 423 | 3.48 | 158–577 |
| Oct 31, 12:30 AM PDT | 427 | 3.49 | 158–577 |
| Oct 30, 11:35 PM PDT | 427 | 3.49 | 141–552 |
| Oct 30, 10:40 PM PDT | 427 | 3.49 | 141–552 |
| Oct 30, 9:45 PM PDT | 427 | 3.49 | 141–552 |
| Oct 30, 8:50 PM PDT | 427 | 3.49 | 141–552 |
| Oct 30, 7:55 PM PDT | 432 | 3.5 | 141–552 |
| Oct 30, 7:00 PM PDT | 432 | 3.5 | 141–552 |
| Oct 30, 6:05 PM PDT | 432 | 3.5 | 141–552 |
| Oct 30, 5:10 PM PDT | 436 | 3.51 | 141–552 |
| Oct 30, 4:15 PM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 3:20 PM PDT | 436 | 3.51 | 141–552 |
| Oct 30, 2:25 PM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 1:30 PM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 12:35 PM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 11:40 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 10:45 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 9:50 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 8:55 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 8:00 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 7:05 AM PDT | 441 | 3.52 | 141–552 |
| Oct 30, 6:10 AM PDT | 445 | 3.53 | 141–552 |
| Oct 30, 5:15 AM PDT | 454 | 3.55 | 141–552 |
| Oct 30, 4:20 AM PDT | 459 | 3.56 | 141–552 |
| Oct 30, 3:25 AM PDT | 464 | 3.57 | 141–552 |
| Oct 30, 2:30 AM PDT | 468 | 3.58 | 141–552 |
| Oct 30, 1:35 AM PDT | 468 | 3.58 | 141–552 |
| Oct 30, 12:40 AM PDT | 473 | 3.59 | 141–552 |
| Oct 29, 11:45 PM PDT | 473 | 3.59 | 119–480 |
| Oct 29, 10:50 PM PDT | 478 | 3.6 | 119–480 |
| Oct 29, 9:55 PM PDT | 478 | 3.6 | 119–480 |
| Oct 29, 9:00 PM PDT | 478 | 3.6 | 119–480 |
| Oct 29, 8:50 PM PDT | 478 | 3.6 | 119–480 |
Map of USGS gauge 14207500 and the river around it
Where TUALATIN RIVER AT WEST LINN, OR sits, with 4 other gauges on the same river and our water's map point.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer: the trout lines ODFW uses are 68°F and 70°F.
Normal for Nov 5: 190–687 ft³/s (middle half of 97 years of record). Now: 239 ft³/s, normal.
Normal for this date. 239 ft³/s is between the 25th and 75th percentiles of daily mean flow for Nov 5 at this gauge over 97 years of record (1929–2025): 10th 86, 25th 190, median 364, 75th 687, 90th 1,400 ft³/s.
Daily means on record for Nov 5: lowest 21 ft³/s, highest 3,390 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Steady over 24 hours (+2.6% discharge). Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
Species the agency lists for Tualatin River: Chinook Salmon, Coho Salmon.
Source: Salmon and steelhead sport catch waterbodies (2025 expanded catch by month and waterbody code) (Oregon Department of Fish and Wildlife).
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 2.99 ft stage, 239 ft³/s at Nov 5, 7:10 PM PST (NWS gauge WSLO3; its stage datum can differ from the USGS gauge height).
NWS river forecast forecast issued Nov 5, 3:12 PM PST. Highest point: 3.86 ft, 610 ft³/s on Nov 15, 4:00 AM PST (Below NWS action stage).
| Day | Stage | Flow |
|---|---|---|
| Thu, Nov 5 | 2.97 ft | 233 ft³/s |
| Fri, Nov 6 | 2.97 ft | 233 ft³/s |
| Sat, Nov 7 | 2.88 ft | 207 ft³/s |
| Sun, Nov 8 | 2.95 ft | 227 ft³/s |
| Mon, Nov 9 | 3.04 ft | 255 ft³/s |
| Tue, Nov 10 | 3.18 ft | 303 ft³/s |
| Wed, Nov 11 | 3.56 ft | 459 ft³/s |
| Thu, Nov 12 | 3.64 ft | 497 ft³/s |
| Fri, Nov 13 | 3.7 ft | 527 ft³/s |
| Sat, Nov 14 | 3.83 ft | 595 ft³/s |
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 8:02 PM PST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.