Hydrohistorian
Grange Hall Creek below Northglenn
River gage · GRAHABCO · USGS 06720417 · Division 1 · Water District 2 · Adams 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 (user supplied).
Provenance
DWR station abbreviation GRAHABCO; recorded station name “GRANGE HALL CREEK BELOW NORTHGLENN, 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.