← Basin trends

Hermosa Creek near Hermosa

River gage · HERHERCO · USGS 09361000 · Division 7 · Water District 30 · La Plata County

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

The record

Period of record
1920-10-01 → 2026-06-14
Daily values
20,004
Latest cached reading
32.9 cfs (2026-06-14)
Trend
decreasing, -7.67 cfs/decade
Pettitt changepoint
~1949

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.

Provenance

DWR station abbreviation HERHERCO; recorded station name “HERMOSA CREEK NEAR HERMOSA, 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.