Hydrohistorian
Rio Grande at Otowi Bridge near San Ildefonso, Nm.
River gage · RIOOTANM · USGS 08313000 · Division 3 · Water District 20
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 RIOOTANM; recorded station name “RIO GRANDE AT OTOWI BRIDGE NEAR SAN ILDEFONSO, NM.”; 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.