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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
47
Stressed
Drought index
291
Severe
Area in D2+
90.62%
0% exceptional (D4)
Gauges below normal
86%
of 7 reporting
Median flow
33%
p12 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, TX08175800262 cfsp12 · below normal
- Guadalupe Rv at Victoria, TX08176500375 cfsp19 · below normal
- Guadalupe Rv nr Tivoli, TX08188800528 cfsp20 · below normal
- Guadalupe Rv at SH 35 nr Tivoli, TX08188810430 cfsp40 · normal
- Fifteenmile Ck nr Weser, TX081765501,030 cfsno long-term record
- Guadalupe Rv nr Bloomington, TX08177520279 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 291 | 90.62 | 6/7 | p12 |
| 2026-10-19 | 291 | 90.62 | 6/7 | p10 |
| 2026-10-18 | 291 | 90.62 | 6/7 | p12 |
| 2026-10-17 | 291 | 90.62 | 6/7 | p11 |
| 2026-10-16 | 291 | 90.62 | 6/7 | p14 |
| 2026-10-15 | 300 | 100 | 6/7 | p14 |
| 2026-10-14 | 300 | 100 | 4/7 | p13 |
| 2026-10-13 | 300 | 100 | 5/7 | p15 |
| 2026-10-12 | 300 | 100 | 5/7 | p12 |
| 2026-10-11 | 300 | 100 | 5/7 | p12 |
| 2026-10-10 | 300 | 100 | 4/7 | p17 |
| 2026-10-09 | 300 | 100 | 4/7 | p18 |
| 2026-10-08 | 381 | 100 | 4/7 | p22 |
| 2026-10-07 | 381 | 100 | 2/7 | p35 |
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