Lower Guadalupe HUC8 12100204
A 2,610 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
62
Moderate
Drought index
155
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
57%
of 7 reporting
Median flow
40%
p18 of record
Water assets
489
2 springs · 88 wells
USGS gauges (9)
- Coleto Ck nr Victoria, TX081775001 cfsp6 · much below normal
- Coleto Ck at Arnold Rd Crsg nr Schroeder, TX081769000 cfsp10 · below normal
- Perdido Ck at FM 622 nr Fannin, TX081773000 cfsp10 · below normal
- Guadalupe Rv at Cuero, TX08175800266 cfsp18 · below normal
- Guadalupe Rv at Victoria, TX08176500432 cfsp30 · normal
- Guadalupe Rv nr Tivoli, TX08188800626 cfsp40 · normal
- Guadalupe Rv at SH 35 nr Tivoli, TX08188810493 cfsp45 · normal
- Fifteenmile Ck nr Weser, TX081765501,030 cfsno long-term record
- Guadalupe Rv nr Bloomington, TX08177520379 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 155 | 0 | 4/7 | p18 |
Top water assets
- 66Coleto Creek Damreservoir
- 65Guadalupe Rv At Victoria, Txriver
- 65Coleto Creekriver
- 65Dry Creekriver
- 65Guadalupe Rv At Cuero, Txriver
- 65Fifteenmile Ck Nr Weser, Txriver
- 65Fifteenmile Creekriver
- 65Twelvemile Creekriver
- 65Guadalupe Rv Nr Bloomington, Txriver
- 65Twelvemile Creekriver