USGS Streamgage 10146000
Salt Creek at Nephi, UT
Salt Creek at Nephi, UT is USGS streamgage 10146000 in Utah, monitoring river discharge in hydrologic subbasin 16020201. It drains a watershed of about 96 square miles. Discharge records at this site go back to 1950. Typical flow runs near 15.1 cfs in July and 24.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 96 sq mi
- Gauge elevation
- 5,283 ft
- Subbasin (HUC-8)
- 16020201
- Coordinates
- 39.71301, -111.80438
- USGS site number
- 10146000
- Records begin
- 1950-12-01 (76 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 76 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 | 4.7 | 7.4 | 13 | |
| February | 5.4 | 8 | 14.3 | |
| March | 5.6 | 10.6 | 21.3 | |
| April | 7.5 | 24.2 | 90 | |
| May | 11.7 | 54.4 | 154.9 | |
| June | 10.7 | 41.8 | 111.1 | |
| July | 7.2 | 15.1 | 49.5 | |
| August | 5.7 | 10.8 | 22.3 | |
| September | 4.9 | 9 | 17.6 | |
| October | 4.5 | 7.6 | 15.8 | |
| November | 4.6 | 7.8 | 14 | |
| December | 4 | 7.3 | 13.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Salt Creek at Nephi, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 54.4 cfs, against 7.3 cfs in December, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Salt Creek at Nephi, UT?
- It depends on the month. In January, half of days historically fall near 7.4 cfs, with the middle 80% of days between 4.7 and 13 cfs. The month-by-month table on this page gives the full range.
- How long has Salt Creek at Nephi, UT been measured?
- Discharge records at USGS site 10146000 begin in 1950, about 76 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Salt Creek at Nephi, UT?
- The gauge sits at 39.71301, -111.80438, in Utah, in hydrologic subbasin 16020201, at an elevation of about 5,283 feet, draining roughly 96 square miles.
- Can I use Salt Creek at Nephi, 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.