Rivermatics

USGS Streamgage 09185600

Colorado River at Potash, UT

Colorado River at Potash, UT is USGS streamgage 09185600 in Utah, monitoring river discharge in hydrologic subbasin 14030005. It sits on the Colorado River, alongside 30 other gauges Rivermatics tracks on the same river. It drains a watershed of about 25,406 square miles. Discharge records at this site go back to 2010. Typical flow runs near 4,401.9 cfs in July and 4,350 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Utah
Drainage area
25,406 sq mi
Gauge elevation
3,977 ft
Subbasin (HUC-8)
14030005
Coordinates
38.50472, -109.65833
USGS site number
09185600
Records begin
2010-10-04 (16 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Colorado River at Potash, 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
1,554 1,602 1,664
1,487 1,569 1,690
1,442 1,555 1,761
1,468 1,644 2,111
1,525 1,849 2,803
1,645 2,130 3,396
1,794 2,538 4,219
1,832 2,616 4,195
1,817 2,530 3,950
1,762 2,383 3,613
1,702 2,262 3,354
1,643 2,164 3,181
1,587 2,088 3,091
1,542 2,016 3,000

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 11 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 2,062.6 2,631.9 3,655.8
February 2,071.1 2,782.1 3,901.4
March 2,217.4 2,965.8 5,176.8
April 2,219.3 4,350 10,194
May 3,106.1 8,930.6 28,696.8
June 4,375.3 13,535 28,850
July 2,194.2 4,401.9 17,124.8
August 2,089.4 3,381.6 6,400.6
September 2,190.7 3,379.3 4,305.7
October 2,524.5 3,795.2 5,244.8
November 2,647.7 3,314 4,379
December 2,090.3 2,819 3,917.4

All values in cubic feet per second (cfs).

Common questions

When does Colorado River at Potash, UT normally run highest?
June, on the long-term record. The median daily flow that month is about 13,535 cfs, against 2,631.9 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 Colorado River at Potash, UT?
It depends on the month. In January, half of days historically fall near 2,631.9 cfs, with the middle 80% of days between 2,062.6 and 3,655.8 cfs. The month-by-month table on this page gives the full range.
How long has Colorado River at Potash, UT been measured?
Discharge records at USGS site 09185600 begin in 2010, about 16 years, covering roughly 4,299 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Colorado River at Potash, 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 Colorado River at Potash, UT?
The gauge sits at 38.50472, -109.65833, in Utah, in hydrologic subbasin 14030005, at an elevation of about 3,977 feet, draining roughly 25,406 square miles.
Can I use Colorado River at Potash, 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 Colorado River

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

Other gauges in this subbasin