Middle Guadalupe HUC8 12100202
A 5,538 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
64
Moderate
Drought index
173
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
29%
of 14 reporting
Median flow
100%
p45 of record
Water assets
1,661
62 springs · 586 wells
USGS gauges (16)
- Sandies Ck nr Westhoff, TX081750000 cfsp0 · much below normal
- Sandy Fork Ck at Hwy 97 nr Waelder, TX081742000 cfsp10 · below normal
- Peach Ck at Hwy 90 nr Waelder, TX081745500 cfsp10 · below normal
- Peach Ck bl Dilworth, TX081746000 cfsp10 · below normal
- Comal Rv at New Braunfels, TX08169000180 cfsp26 · normal
- Guadalupe Rv at Gonzales, TX08173900335 cfsp31 · normal
- Comal Rv (nc) nr Landa Lk, New Braunfels, TX08168932106 cfsp40 · normal
- Guadalupe Rv at CR 143 nr Gonzales, TX08169845264 cfsp50 · normal
- Guadalupe Rv at Sattler, TX08167800149 cfsp50 · normal
- Guadalupe Rv abv Comal Rv at New Braunfels, TX08168500214 cfsp51 · normal
- Comal Rv (oc) nr Landa Lk, New Braunfels, TX0816891354 cfsp51 · normal
- Hueco Spgs nr New Braunfels, TX0816800042 cfsp67 · normal
- Guadalupe Rv at FM 1117 nr Seguin, TX08169792505 cfsp71 · normal
- Dry Comal Ck at Loop 337 nr New Braunfels, TX081687974 cfsp99 · much above normal
- Guadalupe Rv at Hwy 183 nr Hochheim, TX08174700254 cfsno long-term record
- Sandies Ck at FM 108 nr Smiley, TX081749700 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 173 | 0 | 4/14 | p45 |
Top water assets
- 79Edwards Aquifer — Balcones Fault Zoneaquifer
- 67Canyon Lake Damreservoir
- 66Lake Wood Damreservoir
- 66Comal River Ws Scs Site 5 Damreservoir
- 66Comal River Ws Scs Site 2 Damreservoir
- 66Vintage Oaks Unit 4 Detention Pond Damreservoir
- 66Double D Ranch Lake Damreservoir
- 66Comal River Ws Scs Site 1 Damreservoir
- 66Comal River Ws Scs Site 3 Damreservoir
- 66Dry Comal Ck Frs 11reservoir