Rivermatics

USGS Streamgage 09379700

San Juan River below Piute Farms Wash near Monument Vly, UT

San Juan River below Piute Farms Wash near Monument Vly, UT is USGS streamgage 09379700 in Utah, monitoring river discharge in hydrologic subbasin 14080205. It sits on the San Juan River, alongside 9 other gauges Rivermatics tracks on the same river. It drains a watershed of about 24,000 square miles. Discharge records at this site go back to 2023. 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
24,000 sq mi
Gauge elevation
3,687 ft
Subbasin (HUC-8)
14080205
Coordinates
37.25265, -110.43897
USGS site number
09379700
Records begin
2023-08-16 (3 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for San Juan River below Piute Farms Wash near Monument Vly, 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
489 598 662
452 598 709
421 582 714
443 663 1,028
472 777 1,501
493 922 2,012
525 1,104 2,736
513 964 1,844
466 825 1,343
439 762 1,182
416 712 1,095
392 664 1,007
371 627 946
360 615 932

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

Common questions

How long has San Juan River below Piute Farms Wash near Monument Vly, UT been measured?
Discharge records at USGS site 09379700 begin in 2023, about 3 years, covering roughly 440 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for San Juan River below Piute Farms Wash near Monument Vly, 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 San Juan River below Piute Farms Wash near Monument Vly, UT?
The gauge sits at 37.25265, -110.43897, in Utah, in hydrologic subbasin 14080205, at an elevation of about 3,687 feet, draining roughly 24,000 square miles.
Can I use San Juan River below Piute Farms Wash near Monument Vly, 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 San Juan River

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

Other gauges in this subbasin