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San Antonio River near Manassa

River gage · SANMANCO · USGS 08248500 · Division 3 · Water District 22 · Conejos County

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

The record

Period of record
1923-04-01 → 2026-07-06
Daily values
37,718
Latest cached reading
0.0 cfs (2026-07-06)
Trend
no trend, -1.45 cfs/decade (-2.2% 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 SANMANCO; recorded station name “SAN ANTONIO RIVER NEAR MANASSA”; operated by DWR. 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.