Lower Brazos-Little Brazos HUC8 12070101
A 6,986 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
59
Moderate
Drought index
170
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 4 reporting
Median flow
64%
p27 of record
Water assets
1,429
63 springs · 523 wells
USGS gauges (6)
- Brazos Rv at Washington, TX08110200508 cfsp9 · much below normal
- Brazos Rv nr Hempstead, TX08111500815 cfsp24 · below normal
- Brazos Rv at SH 21 nr Bryan, TX08108700613 cfsp31 · normal
- Brazos Rv nr Highbank, TX08098290469 cfsp37 · normal
- Little Pond Ck nr Burlington, TX08098300no readingno long-term record
- Little Brazos Rv at FM 485 nr Hearne, TX08108780562 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 170 | 0 | 2/4 | p27 |
Top water assets
- 66Marlin New City Lake Damreservoir
- 66Cow Bayou Ws Scs Site 29 Damreservoir
- 66Cow Bayou Ws Scs Site 18 Damreservoir
- 66Bryan Utilities Lake Damreservoir
- 66Cow Bayou Ws Scs Site 25 Damreservoir
- 66Spring Lake Damreservoir
- 66Cow Bayou Ws Scs Site 3 Damreservoir
- 66Coffield Lake Damreservoir
- 66Cow Bayou Ws Scs Site 15 Damreservoir
- 66Yarboro Damreservoir