Spring HUC8 12040102
A 1,960 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
71
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 11 reporting
Median flow
423%
p85 of record
Water assets
1,052
2 springs · 836 wells
USGS gauges (13)
- Willow Ck nr Tomball, TX0806832512 cfsp52 · normal
- Cypress Ck at House-Hahl Rd nr Cypress, TX0806874013 cfsp61 · normal
- Cypress Ck at Grant Rd nr Cypress, TX0806880053 cfsp71 · normal
- Panther Br at Gosling Rd, The Woodlands, TX0806840016 cfsp72 · normal
- Bear Br at Research Blvd, The Woodlands, TX080683907 cfsp74 · normal
- Spring Ck nr Tomball, TX0806827527 cfsp85 · above normal
- Spring Ck nr Spring, TX08068500149 cfsp86 · above normal
- Panther Br nr Spring, TX0806845050 cfsp88 · above normal
- Cypress Ck nr Westfield, TX08069000447 cfsp92 · much above normal
- Little Cypress Ck nr Cypress, TX0806878027 cfsp94 · much above normal
- Cypress Ck at Katy-Hockley Rd nr Hockley, TX0806872025 cfsp95 · much above normal
- Spring Ck at Kuykendahl Rd, The Woodlands, TX0806831048 cfsno long-term record
- Cypress Ck at Stuebner-Airline Rd nr Westfield, TX08068900505 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/11 | p85 |
Top water assets
- 66Indigo Lake Damreservoir
- 65Cypress Ck Nr Westfield, Txriver
- 65Lower Serenity Damreservoir
- 65Dry Creekriver
- 65Goodson Branch Damreservoir
- 65Decker Dry Detention Damreservoir
- 65Lake Hollow Damreservoir
- 65Lake Hollyhill Damreservoir
- 65Lake Harrison Damreservoir
- 65Dry Creekriver