USGS Streamgage 10145400
Salt Creek below Nephi Powerplant Diversion near Nephi, UT
Salt Creek below Nephi Powerplant Diversion near Nephi, UT is USGS streamgage 10145400 in Utah, monitoring river discharge in hydrologic subbasin 16020201. It drains a watershed of about 81 square miles. Discharge records at this site go back to 1993. Typical flow runs near 9 cfs in July and 14.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 81 sq mi
- Gauge elevation
- 5,747 ft
- Subbasin (HUC-8)
- 16020201
- Coordinates
- 39.71718, -111.73354
- USGS site number
- 10145400
- Records begin
- 1993-09-15 (33 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 33 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 | 3.1 | 4.2 | 7.5 | |
| February | 3.2 | 4.6 | 8.5 | |
| March | 3.4 | 5.3 | 20 | |
| April | 5.6 | 14.9 | 75.5 | |
| May | 8 | 31.4 | 129 | |
| June | 6.7 | 20.3 | 98.4 | |
| July | 5.6 | 9 | 41.5 | |
| August | 4.4 | 7 | 14.3 | |
| September | 4.2 | 6.3 | 12.1 | |
| October | 3.3 | 4.5 | 8.2 | |
| November | 3.2 | 4.3 | 7.8 | |
| December | 3.1 | 3.9 | 6.8 |
All values in cubic feet per second (cfs).
Common questions
- When does Salt Creek below Nephi Powerplant Diversion near Nephi, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 31.4 cfs, against 3.9 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 below Nephi Powerplant Diversion near Nephi, UT?
- It depends on the month. In January, half of days historically fall near 4.2 cfs, with the middle 80% of days between 3.1 and 7.5 cfs. The month-by-month table on this page gives the full range.
- How long has Salt Creek below Nephi Powerplant Diversion near Nephi, UT been measured?
- Discharge records at USGS site 10145400 begin in 1993, about 33 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 below Nephi Powerplant Diversion near Nephi, UT?
- The gauge sits at 39.71718, -111.73354, in Utah, in hydrologic subbasin 16020201, at an elevation of about 5,747 feet, draining roughly 81 square miles.
- Can I use Salt Creek below Nephi Powerplant Diversion near 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.