USGS Streamgage 14185800
Middle Santiam River near Cascadia, OR
Middle Santiam River near Cascadia, OR is USGS streamgage 14185800 in Oregon, monitoring river discharge in hydrologic subbasin 17090006. It sits on the Middle Santiam River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 104 square miles. Discharge records at this site go back to 1963. Typical flow runs near 121.1 cfs in July and 754 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 104 sq mi
- Subbasin (HUC-8)
- 17090006
- Coordinates
- 44.51512, -122.37202
- USGS site number
- 14185800
- Records begin
- 1963-08-01 (63 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 19 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 | 248.6 | 862.6 | 3,195.8 | |
| February | 265.8 | 662.9 | 2,103.2 | |
| March | 332 | 594.1 | 1,851 | |
| April | 363 | 754 | 1,438 | |
| May | 304.2 | 706.1 | 1,412.9 | |
| June | 156.3 | 326.1 | 999 | |
| July | 79.4 | 121.1 | 236.8 | |
| August | 48.2 | 71 | 147.2 | |
| September | 40.3 | 64.5 | 244.5 | |
| October | 45.1 | 129.2 | 564.9 | |
| November | 123.7 | 522.3 | 2,199.7 | |
| December | 201.5 | 830.1 | 3,300.6 |
All values in cubic feet per second (cfs).
Common questions
- When does Middle Santiam River near Cascadia, OR normally run highest?
- January, on the long-term record. The median daily flow that month is about 862.6 cfs, against 64.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Middle Santiam River near Cascadia, OR?
- It depends on the month. In January, half of days historically fall near 862.6 cfs, with the middle 80% of days between 248.6 and 3,195.8 cfs. The month-by-month table on this page gives the full range.
- How long has Middle Santiam River near Cascadia, OR been measured?
- Discharge records at USGS site 14185800 begin in 1963, about 63 years, covering roughly 5,833 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Middle Santiam River near Cascadia, OR?
- The gauge sits at 44.51512, -122.37202, in Oregon, in hydrologic subbasin 17090006, draining roughly 104 square miles.
- Can I use Middle Santiam River near Cascadia, 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 Middle Santiam River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Middle Santiam River in full.
- Middle Santiam River near Santiam Junction, OR 33 sq mi
- Middle Santiam River near Cascadia, OR this page
- Middle Santiam River below Green Peter Dam near Foster, OR 273 sq mi
Other gauges in this subbasin
- Quartzville Creek below Galena Creek near Cascadia, OR
- Quartzville Creek near Cascadia, OR
- Green Peter Dam Tailwater near Foster, OR
- Middle Santiam River below Green Peter Dam near Foster, OR
- Foster Dam Tailwater at Foster, OR
- South Santiam River at Foster, OR
- Wiley Creek near Foster, OR
- South Santiam River near Foster, OR