Hermosa Creek
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 Hermosa Creek Near Hermosa, CO: 8 gaps of 60+ days inside the record (18,327 days in all). Longest: Jun 28, 1993 to Feb 29, 2020 (9,743 days); Oct 2, 1928 to Mar 31, 1940 (4,199 days); Oct 1, 1982 to Apr 12, 1993 (3,847 days).
Context (1)
Show 1 notes
- flatline Hermosa Creek Near Hermosa, CO: 31 runs of 30+ days at exactly the same flow: 30.0 cfs for 66 days from Sep 26, 1922; 35.0 cfs for 60 days from Jan 1, 1924; 30.0 cfs for 59 days from Jan 1, 1922. 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 |
|---|---|---|---|---|---|
| Hermosa Creek Near Hermosa, CO | Animas | codwr, usbr_hydrodata, usgs | 1920-10-04 | 2026-10-26 | 2910 |