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Uncompahgre River at Colona

River gage · UNCCOLCO · USGS 09147500 · Division 4 · Water District 68 · Ouray County

Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)

The record

Period of record
1912-10-01 → 2026-07-06
Daily values
41,552
Latest cached reading
95.6 cfs (2026-07-06)
Trend
decreasing, -2.15 cfs/decade

Readings come from the weekly-refreshed cache, never fetched live — the date beside the value says exactly how fresh it is. The live gage is one click up.

Annual flow & trend

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Where it sits

Location as DWR records it (5.0).

Provenance

DWR station abbreviation UNCCOLCO; recorded station name “UNCOMPAHGRE RIVER AT COLONA, CO.”; operated by USGS. Daily flows from the DWR HydroBase snapshot plus CDSS REST updates, refreshed on the weekly cycle. Trend statistics are Mann-Kendall (Hamed-Rao corrected) with Sen's slope in native cfs, the same numbers as the basin Trends tab.