Rio Grande Headwaters HUC8 13010001
A 3,576 km² sub-basin of the Rio Grande region in CO. 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
55
Moderate
Drought index
279
Severe
Area in D2+
77.01%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
2,485
28 springs · 56 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 279 | 77.01 | — | — |
| 2026-10-17 | 279 | 77.01 | — | — |
| 2026-10-16 | 279 | 77.01 | — | — |
| 2026-10-15 | 334 | 89.71 | — | — |
| 2026-10-14 | 334 | 89.71 | — | — |
| 2026-10-13 | 334 | 89.71 | — | — |
| 2026-10-12 | 334 | 89.71 | — | — |
| 2026-10-11 | 334 | 89.71 | — | — |
| 2026-10-10 | 334 | 89.71 | — | — |
| 2026-10-09 | 334 | 89.71 | — | — |
| 2026-10-08 | 337 | 89.71 | — | — |
| 2026-10-07 | 337 | 89.71 | — | — |
| 2026-10-06 | 337 | 89.71 | — | — |
| 2026-10-05 | 337 | 89.71 | — | — |
Top water assets
- 70Alberta Parkreservoir
- 69Bear Creekriver
- 69Beaver Creekriver
- 69Lost Lake #1reservoir
- 69East Bellows Creekriver
- 69Clear Creekriver
- 69Texas Creekriver
- 69Beaver Creekriver
- 69Alder Creekriver
- 69Spring Creekriver