Hydrohistorian
Big Spring Creek at Medano Ranch near Mosca
River gage · BIGSPGCO · Division 3 · Water District 35 · Alamosa County
The record
Period of record
1999-10-01 → 2026-07-06
Daily values
9,776
Latest cached reading
5.2 cfs (2026-07-06)
Trend
no trend, -0.15 cfs/decade (-2.6% 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
Loading chart…
Where it sits
Location as DWR records it (5.0).
Provenance
DWR station abbreviation BIGSPGCO; recorded station name “BIG SPRING CREEK AT MEDANO RANCH NEAR MOSCA”; 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.