Hydrohistorian
South Walnut Creek at Rocky Flats Plant
River gage · SWALROCO · USGS 06720790 · Division 1 · Water District 2 · Jefferson 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 SWALROCO; recorded station name “SOUTH WALNUT CREEK AT ROCKY FLATS PLANT, 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.