Purgatoire HUC8 11020010
A 8,933 km² sub-basin of the Arkansas-White-Red 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
38
Stressed
Drought index
303
Extreme
Area in D2+
65.16%
6.65% exceptional (D4)
Gauges below normal
100%
of 6 reporting
Median flow
10%
p5 of record
Water assets
2,484
125 springs · 367 wells
USGS gauges (6)
- PURGATOIRE RIVER AT ROCK CROSSING NR TIMPAS, CO.071264850 cfsp0 · much below normal
- PURGATOIRE RIVER BELOW TRINIDAD LAKE, CO.071244103 cfsp2 · much below normal
- PURGATOIRE RIVER NEAR THATCHER, CO.071263000 cfsp4 · much below normal
- PURGATOIRE RIVER AT MADRID, CO.071242007 cfsp6 · much below normal
- VAN BREMER ARROYO NEAR MODEL, CO071262000 cfsp10 · below normal
- PURGATOIRE RIVER NEAR LAS ANIMAS, CO071285002 cfsp14 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 303 | 65.16 | 6/6 | p5 |
Top water assets
- 70Fisher Peak Det. Fpc-1reservoir
- 69Chicosa Arroyoriver
- 69Bachicha Creekriver
- 69Purgatoire River At Madrid, Co.river
- 69Guajatoyah Creekriver
- 69Van Bremer Arroyoriver
- 69Purgatoire River Below Trinidad Lake, Co.river
- 69Purgatoire Riverriver
- 69Purgatoire Riverriver
- 69Whiskey Creekriver