USGS Streamgage 10118000
Bear River near Collinston, UT
Bear River near Collinston, UT is USGS streamgage 10118000 in Utah, monitoring river discharge in hydrologic subbasin 16010204. It drains a watershed of about 6,271 square miles. Discharge records at this site go back to 1890. Typical flow runs near 49 cfs in July and 2,394.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 6,271 sq mi
- Gauge elevation
- 4,276 ft
- Subbasin (HUC-8)
- 16010204
- Coordinates
- 41.83408, -112.05525
- USGS site number
- 10118000
- Records begin
- 1890-05-10 (136 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 121 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 | 556.6 | 1,229.4 | 2,330.3 | |
| February | 699.7 | 1,384.8 | 2,460.7 | |
| March | 934.9 | 1,797.1 | 3,234.8 | |
| April | 929.7 | 2,394.3 | 4,713.7 | |
| May | 94.6 | 2,264.8 | 5,596.5 | |
| June | 24.6 | 1,087.3 | 4,843.3 | |
| July | 20.6 | 49 | 1,500.6 | |
| August | 19.9 | 64 | 1,072.3 | |
| September | 21.8 | 378.9 | 1,492.7 | |
| October | 164.3 | 896.1 | 1,942.6 | |
| November | 486.8 | 1,117 | 2,158 | |
| December | 531 | 1,191 | 2,197.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Bear River near Collinston, UT normally run highest?
- April, on the long-term record. The median daily flow that month is about 2,394.3 cfs, against 49 cfs in July, 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 near Collinston, UT?
- It depends on the month. In January, half of days historically fall near 1,229.4 cfs, with the middle 80% of days between 556.6 and 2,330.3 cfs. The month-by-month table on this page gives the full range.
- How long has Bear River near Collinston, UT been measured?
- Discharge records at USGS site 10118000 begin in 1890, about 136 years, covering roughly 8,090 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Bear River near Collinston, UT?
- The gauge sits at 41.83408, -112.05525, in Utah, in hydrologic subbasin 16010204, at an elevation of about 4,276 feet, draining roughly 6,271 square miles.
- Can I use Bear River near Collinston, UT 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.