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Gunnison River near Grand Junction

River gage · GUNGRJCO · USGS 09152500 · Division 4 · Water District 42 · Mesa County

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

The record

Period of record
1896-10-01 → 2026-07-06
Daily values
43,011
Latest cached reading
845.0 cfs (2026-07-06)
Trend
decreasing, -71.25 cfs/decade (-3.0% of median)

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 GUNGRJCO; recorded station name “GUNNISON RIVER NEAR GRAND JUNCTION, 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.