Los Pinos River
Streamflow, conditions and background by watershed segment. Data through November 1, 2026.
Data gaps and disparities
Found automatically in the gauge records behind this river, and notes from a reviewer who checked them against other sources. Gauges need at least 26 weeks of daily data to appear on the Flow tab.
Warnings (1)
- warning: gap Los Pinos R Abv Vallecito Res Nr Bayfield, CO: 1 gap of 60+ days inside the record (11,524 days in all). Longest: Oct 1, 1986 to Apr 19, 2018 (11,524 days).
Context (1)
Show 1 notes
- flatline Los Pinos R Abv Vallecito Res Nr Bayfield, CO: 77 runs of 30+ days at exactly the same flow: 35.0 cfs for 129 days from Oct 30, 1963; 53.0 cfs for 112 days from Dec 7, 1962; 45.0 cfs for 104 days from Jan 1, 1955. Usually an estimated period (ice, a broken gauge) rather than measured daily flow.
Values removed (0)
A reading is removed automatically only when it is impossible (for example, a daily mean above the highest flow USGS recorded that water year). Low and zero flows are never removed: rivers here really do dry up.
None.
Gauges
Each row is one physical gauge; "published by" lists every agency copy that was merged into it.
| Gauge | Segment | Published by | First | Last | Weeks |
|---|---|---|---|---|---|
| Los Pinos R Abv Vallecito Res Nr Bayfield, CO | Upper San Juan | codwr, nwps, usbr_hydrodata, usgs | 1927-10-03 | 2026-10-26 | 3523 |
| Los Pinos River Near Bayfield not in mean | Upper San Juan | nwps | 2026-08-17 | 2026-10-26 | 11 |
| Los Pinos River Near Ignacio, CO | Upper San Juan | codwr, usgs | 1999-10-04 | 2026-10-26 | 1413 |
| Los Pinos River At La Boca, CO | Upper San Juan | codwr, usgs | 1951-01-01 | 2026-10-26 | 3957 |