Navidad HUC8 12100102
A 3,629 km² sub-basin of the Texas-Gulf region in TX. 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
54
Moderate
Drought index
155
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
80%
of 5 reporting
Median flow
0%
p10 of record
Water assets
611
4 springs · 196 wells
USGS gauges (5)
- Sandy Ck nr Ganado, TX081644500 cfsp0 · much below normal
- W Mustang Ck nr Ganado, TX081645030 cfsp1 · much below normal
- Navidad Rv nr Hallettsville, TX081643000 cfsp10 · below normal
- Navidad Rv at Strane Pk nr Edna, TX081643900 cfsp10 · below normal
- E Mustang Ck nr Louise, TX081645040 cfsp30 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 155 | 0 | 4/5 | p10 |
Top water assets
- 66Palmetto Bend Damreservoir
- 65Sandies Creekriver
- 65Navidad Riverriver
- 65Lake Sheridan Damreservoir
- 65Sandy Creekriver
- 65Sandy Creekriver
- 65Mustang Creekriver
- 65Navidad Riverriver
- 65Sandies Creekriver
- 65Sandies Creekriver