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North Llano HUC8 12090202

A 2,380 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
76
Healthy
Drought index
68
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
383%
p85 of record
Water assets
437
54 springs · 82 wells

USGS gauges (1)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-186800/1p85
2026-10-176800/1p87
2026-10-166800/1p84
2026-10-156800/1p78
2026-10-146800/1p78
2026-10-136800/1p79
2026-10-126800/1p83
2026-10-116800/1p84
2026-10-106800/1p85
2026-10-096800/1p85
2026-10-0813700/1p84
2026-10-0713700/1p88
2026-10-0613700/1p88
2026-10-0513700/1p89

Top water assets