Cibolo HUC8 12100304
A 2,212 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
57
Moderate
Drought index
230
Severe
Area in D2+
52.57%
0% exceptional (D4)
Gauges below normal
43%
of 7 reporting
Median flow
94%
p44 of record
Water assets
890
77 springs · 356 wells
USGS gauges (8)
- Martinez Ck nr Saint Hedwig, TX081851006 cfsp10 · much below normal
- Cibolo Ck at Specht Rd nr Bulverde, TX081839780 cfsp10 · below normal
- Cibolo Ck at Selma, TX081850000 cfsp10 · below normal
- Cibolo Ck at Sutherland Springs, TX0818550022 cfsp44 · normal
- Cibolo Ck nr Falls City, TX0818600025 cfsp47 · normal
- Cibolo Ck nr Saint Hedwig, TX0818506512 cfsp54 · normal
- Cibolo Ck nr Boerne, TX081839009 cfsp76 · above normal
- Cibolo Ck at Smithson Valley Rd nr Bulverde, TX08184050no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 230 | 52.57 | 3/7 | p44 |
| 2026-10-18 | 230 | 52.57 | 3/7 | p42 |
| 2026-10-17 | 230 | 52.57 | 3/7 | p48 |
| 2026-10-16 | 230 | 52.57 | 3/7 | p45 |
| 2026-10-15 | 230 | 52.57 | 3/7 | p49 |
| 2026-10-14 | 230 | 52.57 | 3/7 | p53 |
| 2026-10-13 | 230 | 52.57 | 3/7 | p56 |
| 2026-10-12 | 230 | 52.57 | 3/7 | p50 |
| 2026-10-11 | 230 | 52.57 | 3/7 | p47 |
| 2026-10-10 | 230 | 52.57 | 3/7 | p41 |
| 2026-10-09 | 230 | 52.57 | 3/7 | p36 |
| 2026-10-08 | 253 | 52.57 | 3/7 | p40 |
| 2026-10-07 | 253 | 52.57 | 1/7 | p86 |
| 2026-10-06 | 253 | 52.57 | 1/7 | p84 |
Top water assets
- 66Martinez Creek Ws Scs Site 4 Damreservoir
- 66Upper Cibolo Creek Ws Scs Site 2 Damreservoir
- 66Martinez Creek Ws Scs Site 3 Damreservoir
- 66Martinez Creek Ws Scs Site 2 Damreservoir
- 66Martinez Creek Ws Scs Site 6A Damreservoir
- 66Upper Cibolo Creek Ws Scs Site 4 Damreservoir
- 66Martinez Creek Ws Scs Site 5 Damreservoir
- 66Upper Cibolo Creek Ws Scs Site 3 Damreservoir
- 66Upper Cibolo Creek Ws Scs Site 1 Damreservoir
- 66Martinez Creek Ws Scs Site 1 Damreservoir