Rio Chama HUC8 13020102
A 8,179 km² sub-basin of the Rio Grande region in CO, NM. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
33
Stressed
Drought index
447
Exceptional
Area in D2+
100%
50.24% exceptional (D4)
Gauges below normal
75%
of 8 reporting
Median flow
37%
p8 of record
Water assets
3,240
57 springs · 277 wells
USGS gauges (8)
- RIO CHAMA ABOVE CHAMA, NM082814008 cfsp6 · much below normal
- RIO CHAMA NEAR CHAMITA, NM0829000058 cfsp6 · much below normal
- RIO BRAZOS AT FISHTAIL ROAD NR TIERRA AMARILLA, NM0828230010 cfsp7 · much below normal
- RIO CHAMA NEAR LA PUENTE, NM0828410012 cfsp7 · much below normal
- RIO CHAMA BELOW ABIQUIU DAM, NM0828700070 cfsp10 · much below normal
- RIO OJO CALIENTE AT LA MADERA, NM082890003 cfsp10 · much below normal
- RIO CHAMA ABOVE ABIQUIU RESERVOIR, NM08286500446 cfsp44 · normal
- RIO CHAMA BELOW EL VADO DAM, NM08285500477 cfsp48 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 447 | 100 | 6/8 | p8 |
Top water assets
- 69Rio Puercoriver
- 69Little Poso Creekriver
- 69Rio Gallinariver
- 69El Ritoriver
- 69Rio Tusasriver
- 69Canada de Tio Roqueriver
- 69East Fork Rio Chamariver
- 69Boulder Creekriver
- 69Rio Chamariver
- 69Rio Gallinariver