Rivermatics

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 sits on the Salt Creek, alongside 1 other gauge Rivermatics tracks on the same river. 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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

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)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Salt Creek at Nephi, UT. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
2.3 2.7 3.2
2.3 2.7 3.5
2.4 3.1 4.8
2.5 3.2 4.5
2.4 3.1 4.3
2.2 2.9 3.9
2.1 2.7 3.8
2 2.7 3.7
2 2.6 3.6
1.9 2.6 3.7
2 2.8 4.2
2.1 3 4.6
2.1 3 4.5
2.1 2.9 4.3

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

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.

Historical monthly discharge percentiles in cubic feet per second
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 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Salt Creek at Nephi, UT?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
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.

Upstream and downstream on the Salt Creek

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Salt Creek in full.

Other gauges in this subbasin