San Antonio Rv near Falls City, TX

USGS Site No: 08183500San Antonio River • Karnes County, TX

San Antonio Rv near Falls City, TX on the San Antonio River is currently at 1,170 cfs (High — 82th percentile for this date) . Gage height: 2.74 ft.

Reading from

1,170
CFS Discharge
2.74
Gage Height (ft)
High
Flow Condition
Normal
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 97
25th Low threshold 132
50th (Median) Normal (median) 252
75th High threshold 466
95th Very High threshold 2,540 Today: 1,170 cfs

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.

3.9k 2k 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 2,310 4.28
May 27, 2026 706 2.00
May 26, 2026 856 2.24
May 25, 2026 2,130 4.04
May 24, 2026 2,200 4.13
May 23, 2026 2,060 3.95
May 22, 2026 1,510 3.21
May 21, 2026 1,260 2.77
May 20, 2026 405 1.44
May 19, 2026 252 1.09
May 18, 2026 226 1.02
May 17, 2026 242 1.06
May 16, 2026 264 1.12
May 15, 2026 286 1.18
Apr 20, 2026 281 1.16
Apr 19, 2026 249 1.08
Apr 18, 2026 248 1.08
Apr 17, 2026 257 1.10
Apr 16, 2026 275 1.15
Apr 15, 2026 290 1.19
Apr 14, 2026 272 1.14
Apr 13, 2026 195 0.93
Apr 12, 2026 206 0.96
Apr 11, 2026 202 0.95
Apr 10, 2026 219 1.00
Apr 9, 2026 222 1.01
Apr 8, 2026 223 1.01
Apr 7, 2026 253 1.09
Apr 6, 2026 318 1.24
Apr 5, 2026 182 0.89

Station Information

USGS Site No
08183500
State
TX
County
Karnes County
Coordinates
28.9516, -98.0642
Drainage Area
2,113 mi²
Datum (ft)
285.3
HUC Code
12100303
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
6.0 ft
Flood Stage
12.0 ft
Moderate Flood
16.0 ft
Major Flood
20.0 ft

Currently 9.26 ft below flood stage.

Recent Extremes

Max discharge
4,150 cfs
Jun 14, 2025
Min discharge
85 cfs
Sep 28, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges