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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
61
Moderate
Drought index
146
Moderate
Area in D2+
30.74%
0% exceptional (D4)
Gauges below normal
67%
of 6 reporting
Median flow
49%
p20 of record
Water assets
2,484
125 springs · 367 wells
USGS gauges (6)
- PURGATOIRE RIVER BELOW TRINIDAD LAKE, CO.071244100 cfsp5 · much below normal
- VAN BREMER ARROYO NEAR MODEL, CO071262000 cfsp10 · below normal
- PURGATOIRE RIVER NEAR THATCHER, CO.071263006 cfsp17 · below normal
- PURGATOIRE RIVER AT ROCK CROSSING NR TIMPAS, CO.071264859 cfsp22 · below normal
- PURGATOIRE RIVER AT MADRID, CO.0712420025 cfsp44 · normal
- PURGATOIRE RIVER NEAR LAS ANIMAS, CO0712850019 cfsp45 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 146 | 30.74 | 4/6 | p20 |
| 2026-10-19 | 146 | 30.74 | 3/6 | p25 |
| 2026-10-18 | 146 | 30.74 | 3/6 | p29 |
| 2026-10-17 | 146 | 30.74 | 1/6 | p35 |
| 2026-10-16 | 146 | 30.74 | 1/6 | p36 |
| 2026-10-15 | 154 | 30.74 | 2/6 | p33 |
| 2026-10-14 | 154 | 30.74 | 3/6 | p24 |
| 2026-10-13 | 154 | 30.74 | 3/6 | p26 |
| 2026-10-12 | 154 | 30.74 | 3/6 | p28 |
| 2026-10-11 | 154 | 30.74 | 3/6 | p31 |
| 2026-10-10 | 154 | 30.74 | 3/6 | p31 |
| 2026-10-09 | 154 | 30.74 | 2/6 | p34 |
| 2026-10-08 | 272 | 53.2 | 2/6 | p41 |
| 2026-10-07 | 272 | 53.2 | 2/6 | p49 |
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