Lost Canyon 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 (0)
No warnings.
Context (4)
Show 4 notes
- ended Discontinued gauges: 1 gauge has stopped reporting: Lost Canyon Creek At Dolores, CO (last 1948). Their segments rest on fewer gauges after those years.
- zero run Lost Canyon Creek At Dolores, CO: 7 runs of 60+ days at zero flow; longest 247 days from Jun 24, 1945; 197 days from Jul 14, 1942. Usually real (a dry channel or no release), not missing data.
- spike Lost Canyon Creek Near Dolores, CO: 1 single-day flow far above the gauge's usual range (99th percentile 281 cfs) with no annual peak on record to confirm them: 25,137 cfs on Oct 23, 2026. Flash floods are common here, but these are unverified.
- zero run Lost Canyon Creek Near Dolores, CO: 28 runs of 60+ days at zero flow; longest 296 days from May 14, 2018; 290 days from Jun 5, 2020. Usually real (a dry channel or no release), not missing data.
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 |
|---|---|---|---|---|---|
| Lost Canyon Creek Near Dolores, CO | Upper Dolores | codwr, nwps, usgs | 1984-04-02 | 2026-10-19 | 2221 |
| Lost Canyon Creek At Dolores, CO | Upper Dolores | codwr | 1941-03-03 | 1948-09-27 | 396 |