USGS Streamgage 14209000
Oak Grove Fork above Powerplant Intake, OR
Oak Grove Fork above Powerplant Intake, OR is USGS streamgage 14209000 in Oregon, monitoring river discharge in hydrologic subbasin 17090011. It sits on the Oak Grove Fork, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 124 square miles. Discharge records at this site go back to 1909. Typical flow runs near 338.3 cfs in July and 587.9 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 124 sq mi
- Subbasin (HUC-8)
- 17090011
- Coordinates
- 45.07123, -121.94063
- USGS site number
- 14209000
- Records begin
- 1909-05-01 (117 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Oak Grove Fork above Powerplant Intake, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 291 | 295 | 298 | ||
| 290 | 296 | 303 | ||
| 294 | 306 | 348 | ||
| 291 | 300 | 321 | ||
| 286 | 298 | 319 | ||
| 282 | 297 | 319 | ||
| 280 | 296 | 322 | ||
| 278 | 297 | 324 | ||
| 277 | 297 | 327 | ||
| 275 | 297 | 328 | ||
| 274 | 297 | 330 | ||
| 272 | 297 | 331 | ||
| 272 | 297 | 331 | ||
| 270 | 297 | 333 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 116 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 329.6 | 523 | 848.7 | |
| February | 328.8 | 521.4 | 798.3 | |
| March | 362.6 | 522.4 | 797.4 | |
| April | 407.2 | 587.9 | 865.1 | |
| May | 372.2 | 618.3 | 1,036.6 | |
| June | 296.6 | 461.7 | 802 | |
| July | 260.9 | 338.3 | 472.9 | |
| August | 249 | 316.5 | 410.9 | |
| September | 257.4 | 338.3 | 469.1 | |
| October | 266 | 357.8 | 524.9 | |
| November | 295.8 | 437.7 | 637.8 | |
| December | 315 | 504.6 | 786 |
All values in cubic feet per second (cfs).
Common questions
- When does Oak Grove Fork above Powerplant Intake, OR normally run highest?
- May, on the long-term record. The median daily flow that month is about 618.3 cfs, against 316.5 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Oak Grove Fork above Powerplant Intake, OR?
- It depends on the month. In January, half of days historically fall near 523 cfs, with the middle 80% of days between 329.6 and 848.7 cfs. The month-by-month table on this page gives the full range.
- How long has Oak Grove Fork above Powerplant Intake, OR been measured?
- Discharge records at USGS site 14209000 begin in 1909, about 117 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Oak Grove Fork above Powerplant Intake, OR?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Oak Grove Fork above Powerplant Intake, OR?
- The gauge sits at 45.07123, -121.94063, in Oregon, in hydrologic subbasin 17090011, draining roughly 124 square miles.
- Can I use Oak Grove Fork above Powerplant Intake, OR data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Oak Grove Fork
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Oak Grove Fork in full.
- Oak Grove Fork near Government Camp, OR 54 sq mi
- Oak Grove Fork above Powerplant Intake, OR this page
- Oak Grove Fork at Ripplebrook Campground, OR 141 sq mi