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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
44
Stressed
Drought index
247
Severe
Area in D2+
47.03%
0% exceptional (D4)
Gauges below normal
100%
of 5 reporting
Median flow
5%
p10 of record
Water assets
611
4 springs · 196 wells
USGS gauges (5)
- Navidad Rv nr Hallettsville, TX081643000 cfsp0 · much below normal
- W Mustang Ck nr Ganado, TX081645034 cfsp8 · much below normal
- Navidad Rv at Strane Pk nr Edna, TX081643900 cfsp10 · below normal
- E Mustang Ck nr Louise, TX081645040 cfsp14 · below normal
- Sandy Ck nr Ganado, TX0816445015 cfsp20 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 247 | 47.03 | 5/5 | p10 |
| 2026-10-21 | 247 | 47.03 | 5/5 | p10 |
| 2026-10-20 | 247 | 47.03 | 5/5 | p10 |
| 2026-10-19 | 247 | 47.03 | 4/5 | p10 |
| 2026-10-18 | 247 | 47.03 | 4/5 | p10 |
| 2026-10-17 | 247 | 47.03 | 4/5 | p10 |
| 2026-10-16 | 247 | 47.03 | 4/5 | p10 |
| 2026-10-15 | 243 | 48.98 | 4/5 | p11 |
| 2026-10-14 | 243 | 48.98 | 4/5 | p14 |
| 2026-10-13 | 243 | 48.98 | 3/5 | p10 |
| 2026-10-12 | 243 | 48.98 | 3/5 | p18 |
| 2026-10-11 | 243 | 48.98 | 3/5 | p21 |
| 2026-10-10 | 243 | 48.98 | 2/5 | p28 |
| 2026-10-09 | 243 | 48.98 | 2/5 | p39 |
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