USGS Streamgage 10075000
Bear River at Soda Springs, ID
Bear River at Soda Springs, ID is USGS streamgage 10075000 in Idaho, monitoring river discharge in hydrologic subbasin 16010201. It drains a watershed of about 3,970 square miles. Discharge records at this site go back to 1896. Typical flow runs near 1,281.9 cfs in July and 443.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Idaho
- Drainage area
- 3,970 sq mi
- Gauge elevation
- 5,760 ft
- Subbasin (HUC-8)
- 16010201
- Coordinates
- 42.6138, -111.58358
- USGS site number
- 10075000
- Records begin
- 1896-06-09 (130 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 70 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 | 100.9 | 166.7 | 1,084.5 | |
| February | 108.4 | 195.7 | 1,200.7 | |
| March | 145.2 | 275.1 | 1,237.1 | |
| April | 180.2 | 443.6 | 1,218.7 | |
| May | 294.4 | 625.4 | 1,365.8 | |
| June | 467.7 | 864.8 | 1,735.3 | |
| July | 774.4 | 1,281.9 | 1,632.3 | |
| August | 567.1 | 1,004.4 | 1,486.8 | |
| September | 169.8 | 484.5 | 1,314 | |
| October | 93.9 | 167.7 | 1,389.4 | |
| November | 106 | 183.6 | 1,414.3 | |
| December | 101.8 | 186.4 | 1,212.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Bear River at Soda Springs, ID normally run highest?
- July, on the long-term record. The median daily flow that month is about 1,281.9 cfs, against 166.7 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Bear River at Soda Springs, ID?
- It depends on the month. In January, half of days historically fall near 166.7 cfs, with the middle 80% of days between 100.9 and 1,084.5 cfs. The month-by-month table on this page gives the full range.
- How long has Bear River at Soda Springs, ID been measured?
- Discharge records at USGS site 10075000 begin in 1896, about 130 years, covering roughly 3,710 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Bear River at Soda Springs, ID?
- The gauge sits at 42.6138, -111.58358, in Idaho, in hydrologic subbasin 16010201, at an elevation of about 5,760 feet, draining roughly 3,970 square miles.
- Can I use Bear River at Soda Springs, ID 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.