McKinney-Posten Bayous HUC8 11140201
A 2,287 km² sub-basin of the Arkansas-White-Red region in AR, LA, 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
46
Stressed
Drought index
400
Exceptional
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
64%
p27 of record
Water assets
1,311
0 springs · 597 wells
USGS gauges (2)
- Red River at Fulton, AR073415001,580 cfsp14 · below normal
- Red River at Spring Bank, AR073443703,190 cfsp40 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 400 | 100 | 1/2 | p27 |
| 2026-10-20 | 400 | 100 | 1/2 | p29 |
| 2026-10-19 | 400 | 100 | 1/2 | p31 |
| 2026-10-18 | 400 | 100 | 1/2 | p38 |
| 2026-10-17 | 400 | 100 | 0/2 | p42 |
| 2026-10-16 | 400 | 100 | 0/2 | p47 |
| 2026-10-15 | 300 | 100 | 0/2 | p48 |
| 2026-10-14 | 300 | 100 | 0/2 | p39 |
| 2026-10-13 | 300 | 100 | 0/2 | p34 |
| 2026-10-12 | 300 | 100 | 1/2 | p35 |
| 2026-10-11 | 300 | 100 | 1/2 | p37 |
| 2026-10-10 | 300 | 100 | 0/2 | p45 |
| 2026-10-09 | 300 | 100 | 0/2 | p47 |
| 2026-10-08 | 286 | 86.05 | 0/2 | p44 |
Top water assets
- 77Nacatoch Sand Deep Fossil Aquifer — Southwest Arkansasfossil_water
- 66Wooten Lake Damreservoir
- 65Old Bitty Lake Damreservoir
- 65Buford Lake Damreservoir
- 65Lake Jew Jon Lower Damreservoir
- 65Hensley Lake Damreservoir
- 65Cargill Pond Damreservoir
- 65Sandy Bois d'Arc Creekriver
- 65Duncan Lakereservoir
- 65State Line Lake Damreservoir