Hydrohistorian
Castle Creek above Aspen
River gage · CASTASCO · USGS 09074800 · Division 5 · Water District 38 · Pitkin County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
The record
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
Where it sits
Location as DWR records it (5.0).
Provenance
DWR station abbreviation CASTASCO; recorded station name “CASTLE CREEK ABOVE ASPEN, 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.