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Lower West Fork Trinity HUC8 12030102

A 3,921 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
62
Moderate
Drought index
207
Severe
Area in D2+
6.72%
0% exceptional (D4)
Gauges below normal
19%
of 16 reporting
Median flow
124%
p53 of record
Water assets
1,354
12 springs · 816 wells

USGS gauges (18)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-202076.723/16p53
2026-10-192076.723/16p54
2026-10-182076.723/16p57
2026-10-172076.723/16p69
2026-10-162076.721/16p78
2026-10-1530699.962/16p49
2026-10-1430699.963/16p49
2026-10-1330699.964/16p49
2026-10-1230699.963/16p43
2026-10-1130699.963/16p47
2026-10-1030699.961/16p53
2026-10-0930699.961/16p59
2026-10-084041001/16p68
2026-10-074041001/16p96

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