How high is the San Antonio Rv at Loop 410, San Antonio, TX right now?

The San Antonio Rv at Loop 410, San Antonio, TX is currently flowing at 52 cubic feet per second with a gage height of 4.00 feet, based on the most recent USGS instantaneous reading.

Is the flow on the San Antonio Rv at Loop 410, San Antonio, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 54th percentile compared to the long-term historical record at this gauge.

Is the San Antonio Rv at Loop 410, San Antonio, TX at flood stage?

No — the gage height is 8.00 feet below the NWS flood-stage threshold of 12.0 feet.

What is the historical median flow for the San Antonio Rv at Loop 410, San Antonio, TX on June 11?

The long-term median discharge for this date is 37 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 11 to 796 cfs.

Where is the San Antonio Rv at Loop 410, San Antonio, TX stream gauge located?

The San Antonio Rv at Loop 410, San Antonio, TX stream gauge is operated by the USGS in Bexar County, TX on the San Antonio River. USGS site number 08178565 (coordinates 29.3222, -98.4503).

San Antonio Rv at Loop 410, San Antonio, TX

USGS Site No: 08178565 • San Antonio River • Bexar County, TX

San Antonio Rv at Loop 410, San Antonio, TX on the San Antonio River is currently at 52 cfs (Normal — 54th percentile for this date) . Gage height: 4.00 ft.

Reading from 1 week ago

↑ Upstream on San Antonio River

San Antonio Rv at Mitchell St, San Antonio, TX

Downstream on San Antonio River ↓

San Antonio Rv near Elmendorf, TX

CFS Discharge

4.00

Gage Height (ft)

Normal

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	11
25th	Low threshold	17
50th (Median)	Normal (median)	37
75th	High threshold	127	Today: 52 cfs
95th	Very High threshold	796

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	70	4.14
May 27, 2026	1,110	6.66
May 26, 2026	955	4.87
May 25, 2026	32	3.86
May 24, 2026	65	4.11
May 23, 2026	608	5.86
May 22, 2026	1,400	6.69
May 21, 2026	578	5.26
May 20, 2026	930	6.48
May 19, 2026	13	3.69
May 18, 2026	14	3.70
May 17, 2026	14	3.71
May 16, 2026	18	3.74
May 15, 2026	23	3.79
Apr 20, 2026	842	5.92
Apr 19, 2026	109	4.39
Apr 18, 2026	11	3.67
Apr 17, 2026	7	3.57
Apr 16, 2026	6	3.56
Apr 15, 2026	7	3.59
Apr 14, 2026	10	3.65
Apr 13, 2026	41	3.92
Apr 12, 2026	56	4.03
Apr 11, 2026	16	3.73
Apr 10, 2026	27	3.82
Apr 9, 2026	21	3.76
Apr 8, 2026	32	3.86
Apr 7, 2026	39	3.91
Apr 6, 2026	34	3.87
Apr 5, 2026	61	4.07

Station Information

USGS Site No: 08178565
State: TX
County: Bexar County
Coordinates: 29.3222, -98.4503
Drainage Area: 125 mi²
Datum (ft): 488.4
HUC Code: 12100301

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.0 ft
Flood Stage: 12.0 ft
Moderate Flood: 20.0 ft
Major Flood: 26.0 ft

Currently 8.00 ft below flood stage.

Recent Extremes

Max discharge: 4,400 cfs

Jun 12, 2025
Min discharge: 6 cfs

Jan 20, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Salado Ck at Loop 13, San Antonio, TX
3.3 mi · 19 cfs

Normal
Medina Rv at San Antonio, TX
4.7 mi · 122 cfs

Normal
San Antonio Rv at Mitchell St, San Antonio, TX
5.6 mi · 23 cfs

Normal
San Antonio Rv at San Antonio, TX
6.6 mi · 33 cfs

Normal
San Pedro Ck at Furnish St, San Antonio, TX
6.9 mi · 11 cfs

Normal