Navasota HUC8 12070103
A 5,818 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
49
Stressed
Drought index
251
Severe
Area in D2+
50.38%
0% exceptional (D4)
Gauges below normal
75%
of 4 reporting
Median flow
32%
p10 of record
Water assets
1,441
41 springs · 411 wells
USGS gauges (5)
- Navasota Rv at Old San Antonio Rd nr Bryan, TX0811080012 cfsp9 · much below normal
- Navasota Rv abv Groesbeck, TX081103250 cfsp10 · below normal
- Big Ck nr Freestone, TX081104300 cfsp10 · below normal
- Navasota Rv nr Easterly, TX081105007 cfsp31 · normal
- Navasota Rv at SH 6 nr Navasota, TX08111070154 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 251 | 50.38 | 3/4 | p10 |
| 2026-10-17 | 251 | 50.38 | 3/4 | p10 |
| 2026-10-16 | 251 | 50.38 | 3/4 | p11 |
| 2026-10-15 | 250 | 50.38 | 3/4 | p10 |
| 2026-10-14 | 250 | 50.38 | 3/4 | p17 |
| 2026-10-13 | 250 | 50.38 | 2/4 | p19 |
| 2026-10-12 | 250 | 50.38 | 2/4 | p22 |
| 2026-10-11 | 250 | 50.38 | 2/4 | p24 |
| 2026-10-10 | 250 | 50.38 | 2/4 | p26 |
| 2026-10-09 | 250 | 50.38 | 1/4 | p37 |
| 2026-10-08 | 264 | 63.86 | 1/4 | p43 |
| 2026-10-07 | 264 | 63.86 | 2/4 | p28 |
| 2026-10-06 | 264 | 63.86 | 2/4 | p30 |
| 2026-10-05 | 264 | 63.86 | 2/4 | p30 |
Top water assets
- 66Gibbons Creek Damreservoir
- 66Fort Parker State Park Lake Damreservoir
- 66Smith Lake Damreservoir
- 66Camp Cooley Ranch Lake Dam No 2reservoir
- 66Lake Arapaho Damreservoir
- 66Bistone Damreservoir
- 66Swan Lake Damreservoir
- 66Tmpa Gibbons Creek Mine Dam Sp 50reservoir
- 66Tmpa Gibbons Creek Mine Dam Dp 1reservoir
- 66Twin Oak Damreservoir