San Juan R at Bolack Ranch Brdg Nr Farmington NM
San Juan County, New Mexico · USGS 09357700
Latest observation
What this gauge represents: This gauge measures conditions on San Juan R at its USGS monitoring location in San Juan County; conditions elsewhere on the waterway may differ.
Observed · 1 hour ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Below historical median · Rising
Streamflow is currently 183 ft³/s, 69% below the historical median for this date. Flow has risen 32 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 598 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 723 CFS |
| Aug 29, 2026, 12:00 AM | 734 CFS |
| Aug 30, 2026, 12:00 AM | 741 CFS |
| Aug 31, 2026, 12:00 AM | 807 CFS |
| Sep 1, 2026, 12:00 AM | 761 CFS |
| Sep 2, 2026, 12:00 AM | 656 CFS |
| Sep 3, 2026, 12:00 AM | 660 CFS |
| Sep 4, 2026, 12:00 AM | 663 CFS |
| Sep 5, 2026, 12:00 AM | 666 CFS |
| Sep 6, 2026, 12:00 AM | 674 CFS |
| Sep 7, 2026, 12:00 AM | 666 CFS |
| Sep 8, 2026, 12:00 AM | 655 CFS |
| Sep 9, 2026, 12:00 AM | 634 CFS |
| Sep 10, 2026, 12:00 AM | 636 CFS |
| Sep 11, 2026, 12:00 AM | 648 CFS |
| Sep 12, 2026, 12:00 AM | 651 CFS |
| Sep 13, 2026, 12:00 AM | 655 CFS |
| Sep 14, 2026, 12:00 AM | 683 CFS |
| Sep 15, 2026, 12:00 AM | 927 CFS |
| Sep 16, 2026, 12:00 AM | 1,740 CFS |
| Sep 17, 2026, 12:00 AM | 1,220 CFS |
| Sep 18, 2026, 12:00 AM | 2,230 CFS |
| Sep 19, 2026, 12:00 AM | 866 CFS |
| Sep 20, 2026, 12:00 AM | 203 CFS |
| Sep 21, 2026, 12:00 AM | 142 CFS |
| Sep 22, 2026, 12:00 AM | 164 CFS |
| Sep 23, 2026, 12:00 AM | 128 CFS |
| Sep 24, 2026, 12:00 AM | 108 CFS |
| Sep 25, 2026, 12:00 AM | 146 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
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