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Middle Colorado-Elm HUC8 12090101

A 2,998 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
58
Moderate
Drought index
107
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
8%
p17 of record
Water assets
1,003
18 springs · 198 wells

USGS gauges (2)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-09-0710702/2p17

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