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Elk River at Clark

River gage · ELKLARCO · USGS 09241000 · Division 6 · Water District 58 · Routt County

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

The record

Period of record
1910-10-01 → 2003-09-30
Daily values
25,906
Latest cached reading
50.0 cfs (2003-09-30)
Trend
decreasing, -3.92 cfs/decade
Pettitt changepoint
~1947

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 ELKLARCO; recorded station name “ELK RIVER AT CLARK, 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.