USGS Streamgage 14174450
North Santiam River near Marion Forks, OR
North Santiam River near Marion Forks, OR is USGS streamgage 14174450 in Oregon, monitoring river discharge in hydrologic subbasin 17090005. It sits on the North Santiam River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 65 square miles. Discharge records at this site go back to 2023.
Gauge details
- State
- Oregon
- Drainage area
- 65 sq mi
- Subbasin (HUC-8)
- 17090005
- Coordinates
- 44.59908, -121.966
- USGS site number
- 14174450
- Records begin
- 2023-08-17 (3 years)
14-day flow forecast
Based on observations through for North Santiam River near Marion Forks, 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 |
|---|---|---|---|---|
| 61.8 | 62.3 | 63 | ||
| 61.4 | 62.1 | 63.3 | ||
| 63.1 | 68.3 | 88.1 | ||
| 62 | 64.5 | 72.5 | ||
| 61.1 | 62.9 | 67.6 | ||
| 60.3 | 61.9 | 65.2 | ||
| 59.8 | 61.4 | 64.4 | ||
| 59.4 | 61 | 63.8 | ||
| 59.1 | 60.7 | 63.5 | ||
| 58.8 | 60.6 | 63.5 | ||
| 58.6 | 60.5 | 63.5 | ||
| 58.4 | 60.3 | 63.3 | ||
| 58.3 | 60.3 | 63.1 | ||
| 58.1 | 60.3 | 63.7 |
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 3 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 8 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| May | — | 224 | — | |
| June | — | 193.3 | — | |
| July | — | 81.9 | — | |
| August | — | 69.7 | — | |
| September | — | 66.7 | — | |
| October | — | 76.1 | — | |
| November | — | 107.1 | — | |
| December | — | 289.7 | — |
All values in cubic feet per second (cfs).
Common questions
- When does North Santiam River near Marion Forks, OR normally run highest?
- December, on the long-term record. The median daily flow that month is about 289.7 cfs, against 66.7 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has North Santiam River near Marion Forks, OR been measured?
- Discharge records at USGS site 14174450 begin in 2023, about 3 years, covering roughly 1,081 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is North Santiam River near Marion Forks, OR?
- The gauge sits at 44.59908, -121.966, in Oregon, in hydrologic subbasin 17090005, draining roughly 65 square miles.
- Can I use North Santiam River near Marion Forks, 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 North Santiam River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the North Santiam River in full.
- North Santiam River near Marion Forks, OR this page
- North Santiam River at Niagara, OR 453 sq mi
- North Santiam River at Mehama, OR 654 sq mi
- North Santiam River below Stout Creek, near Mehama, OR 671 sq mi
- North Santiam River at Greens Bridge, near Jefferson, OR 736 sq mi
- North Santiam River at Gates, OR
Other gauges in this subbasin
- No Santiam River below Boulder Creek, near Detroit, OR
- SF Breitenbush River near Breitenbush Hot Springs, OR
- Roaring Creek near Breitenbush Hot Springs, OR
- Devils Creek above Cascade Creek near Breitenbush Hot Spring, OR
- Mill Creek near Breitenbush Hot Springs, OR
- Devils Creek near Breitenbush Hot Springs, OR
- Breitenbush River below Breitenbush Hot Springs, OR
- Hill Creek near Breitenbush Hot Springs, OR