← Basin trends

Alamosa River above Terrace Reservoir

Reservoir gage · ALATERCO · USGS 08236000 · Division 3 · Water District 21 · Conejos County

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

The record

Period of record
1914-05-01 → 2026-07-06
Daily values
37,082
Latest cached reading
16.1 cfs (2026-07-06)
Trend
decreasing, -3.04 cfs/decade (-3.0% 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 ALATERCO; recorded station name “ALAMOSA RIVER ABOVE TERRACE RESERVOIR, CO.”; 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.