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South Fork San Miguel River near Ophir

River gage · SFSANOCO · USGS 09171310 · Division 4 · Water District 60 · San Miguel County

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

The record

Period of record
2011-11-01 → 2026-07-06
Daily values
5,360
Latest cached reading
34.3 cfs (2026-07-06)
Trend
no trend, 3.52 cfs/decade (6.6% 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).

Provenance

DWR station abbreviation SFSANOCO; recorded station name “SOUTH FORK SAN MIGUEL RIVER NEAR OPHIR, 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.