Hydrohistorian
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Little Navajo River below L Oso Div Dam, near Chromo
River gage · LITNACCO · USGS 09345200 · Division 7 · Water District 77 · Archuleta County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
Source DWR administrative record · verify at DWR station ↗ Source Independent agency measurement · verify at USGS ↗ Source Our computation, no independent reference · computed here from the screened record
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
Chart: annual mean flow at Little Navajo River below L Oso Div Dam, near Chromo, water years 1971 to 1996. The measured record is no trend at 2.33 cubic feet per second per decade. A Pettitt changepoint is detected around 1981. The underlying yearly values are available as a CSV download linked at the top of this page.
Where it sits
Location as DWR records it (5).
Provenance
DWR station abbreviation LITNACCO; recorded station name “LITTLE NAVAJO RIV BEL L OSO DIV DAM, NR CHROMO, 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.