South Concho Rv above Twin Buttes Reservoir near San Angelo, TX

USGS Site No: 08128030 • South Concho River • Tom Green County, TX

South Concho Rv above Twin Buttes Reservoir near San Angelo, TX on the South Concho River is currently at 11 cfs (Low — 25th percentile for this date) . Gage height: 5.32 ft.

Reading from

↑ Upstream on South Concho River
South Concho Rv at Christoval, TX
11
CFS Discharge
5.32
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 0
25th Low threshold 11 Today: 11 cfs
50th (Median) Normal (median) 12
75th High threshold 25
95th Very High threshold 0

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

23 11 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 11 5.32
May 27, 2026 11 5.34
May 26, 2026 11 5.31
May 25, 2026 11 5.30
May 24, 2026 11 5.30
May 23, 2026 10 5.26
May 22, 2026 10 5.23
May 21, 2026 10 5.23
May 20, 2026 9 5.21
May 19, 2026 9 5.19
May 18, 2026 9 5.18
May 17, 2026 9 5.20
May 16, 2026 9 5.21
May 15, 2026 10 5.22
Apr 20, 2026 12 5.38
Apr 19, 2026 11 5.36
Apr 18, 2026 12 5.36
Apr 17, 2026 11 5.35
Apr 16, 2026 12 5.36
Apr 15, 2026 12 5.37
Apr 14, 2026 12 5.38
Apr 13, 2026 12 5.40
Apr 12, 2026 12 5.41
Apr 11, 2026 9 5.17
Apr 10, 2026 9 5.14
Apr 9, 2026 9 5.14
Apr 8, 2026 9 5.14
Apr 7, 2026 9 5.14
Apr 6, 2026 9 5.16
Apr 5, 2026 9 5.18

Station Information

USGS Site No
08128030
State
TX
County
Tom Green County
Coordinates
31.2728, -100.5042
Drainage Area
446 mi²
Datum (ft)
1,921.3
HUC Code
12090102
View on USGS NWIS →

Recent Extremes

Max discharge
33 cfs
Jul 17, 2025
Min discharge
8 cfs
Apr 1, 2026

Computed from the local daily-values archive.

Nearby Gauges

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