← Basin trends

Alamosa River below Castleman Gulch near Jasper

River gage · ALACASCO · USGS 08235700 · Division 3 · Water District 21 · Rio Grande County

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

The record

Period of record
1995-08-01 → 2001-10-26
Daily values
1,355
Latest cached reading
19.8 cfs (2001-10-26)
Trend
insufficient data

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

Loading chart…

Where it sits

Location as DWR records it.

Provenance

DWR station abbreviation ALACASCO; recorded station name “ALAMOSA RIVER BELOW CASTLEMAN GULCH NEAR JASPER”; 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.