How high is the Leon Ck at Ih 35, San Antonio, TX right now?

The Leon Ck at Ih 35, San Antonio, TX is currently flowing at 21 cubic feet per second with a gage height of 2.59 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Leon Ck at Ih 35, San Antonio, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 69th percentile compared to the long-term historical record at this gauge.

Is the Leon Ck at Ih 35, San Antonio, TX at flood stage?

No — the gage height is 12.41 feet below the NWS flood-stage threshold of 15.0 feet.

What is the historical median flow for the Leon Ck at Ih 35, San Antonio, TX on June 11?

The long-term median discharge for this date is 8 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1 to 347 cfs.

Where is the Leon Ck at Ih 35, San Antonio, TX stream gauge located?

The Leon Ck at Ih 35, San Antonio, TX stream gauge is operated by the USGS in Bexar County, TX on the Leon Creek. USGS site number 08181480 (coordinates 29.3300, -98.5842).

Leon Ck at Ih 35, San Antonio, TX

USGS Site No: 08181480 • Leon Creek • Bexar County, TX

Leon Ck at Ih 35, San Antonio, TX on the Leon Creek is currently at 21 cfs (Normal — 69th percentile for this date) . Gage height: 2.59 ft.

Reading from 1 week ago

↑ Upstream on Leon Creek

Leon Ck at Lp 410 at San Antonio, TX

CFS Discharge

2.59

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	1
25th	Low threshold	4
50th (Median)	Normal (median)	8
75th	High threshold	25	Today: 21 cfs
95th	Very High threshold	347

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	55	3.32
May 27, 2026	180	4.61
May 26, 2026	66	3.06
May 25, 2026	41	3.07
May 24, 2026	85	3.77
May 23, 2026	306	5.51
May 22, 2026	487	6.54
May 21, 2026	108	3.99
May 20, 2026	131	4.24
May 19, 2026	4	1.66
May 18, 2026	3	1.65
May 17, 2026	3	1.67
May 16, 2026	4	1.70
May 15, 2026	4	1.77
Apr 20, 2026	23	1.95
Apr 19, 2026	1	1.39
Apr 18, 2026	1	1.26
Apr 17, 2026	1	1.27
Apr 16, 2026	1	1.29
Apr 15, 2026	1	1.31
Apr 14, 2026	1	1.35
Apr 13, 2026	2	1.47
Apr 12, 2026	4	1.66
Apr 11, 2026	1	1.33
Apr 10, 2026	1	1.40
Apr 9, 2026	1	1.30
Apr 8, 2026	1	1.32
Apr 7, 2026	1	1.33
Apr 6, 2026	1	1.44
Apr 5, 2026	1	1.36

Station Information

USGS Site No: 08181480
State: TX
County: Bexar County
Coordinates: 29.3300, -98.5842
Drainage Area: 219 mi²
Datum (ft): 573.5
HUC Code: 12100302

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 15.0 ft
Moderate Flood: 16.0 ft
Major Flood: 20.0 ft

Currently 12.41 ft below flood stage.

Recent Extremes

Max discharge: 3,900 cfs

Jun 12, 2025
Min discharge: 0 cfs

Oct 24, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Medina Rv near Somerset, TX
4.7 mi · 30 cfs

Low
Medina Rv near Macdona, TX
6.4 mi · 2 cfs

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

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

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

Normal