How high is the Onion Ck at Twin Creeks Road near Manchaca, TX right now?

The Onion Ck at Twin Creeks Road near Manchaca, TX is currently flowing at 4 cubic feet per second with a gage height of 3.97 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Onion Ck at Twin Creeks Road near Manchaca, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 55th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Onion Ck at Twin Creeks Road near Manchaca, TX on June 11?

The long-term median discharge for this date is 2 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to 227 cfs.

Where is the Onion Ck at Twin Creeks Road near Manchaca, TX stream gauge located?

The Onion Ck at Twin Creeks Road near Manchaca, TX stream gauge is operated by the USGS in Travis County, TX on the Onion Creek. USGS site number 08158827 (coordinates 30.1263, -97.8211).

Onion Ck at Twin Creeks Road near Manchaca, TX

USGS Site No: 08158827 • Onion Creek • Travis County, TX

Onion Ck at Twin Creeks Road near Manchaca, TX on the Onion Creek is currently at 4 cfs (Normal — 55th percentile for this date) . Gage height: 3.97 ft.

Reading from 1 week ago

↑ Upstream on Onion Creek

Onion Ck near Driftwood, TX

Downstream on Onion Creek ↓

Onion Ck at Us Highway 183, Austin, TX

CFS Discharge

3.97

Gage Height (ft)

Normal

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	0
50th (Median)	Normal (median)	2
75th	High threshold	15	Today: 4 cfs
95th	Very High threshold	227

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	12	4.42
May 27, 2026	39	5.07
May 26, 2026	3	3.86
May 25, 2026	4	3.91
May 24, 2026	4	3.97
May 23, 2026	7	4.19
May 22, 2026	21	4.72
May 21, 2026	8	4.25
May 20, 2026	10	4.28
May 19, 2026	1	3.61
May 18, 2026	1	3.64
May 17, 2026	2	3.68
May 16, 2026	2	3.68
May 15, 2026	2	3.72
Apr 20, 2026	5	3.88
Apr 19, 2026	1	3.55
Apr 18, 2026	1	3.51
Apr 17, 2026	1	3.53
Apr 16, 2026	1	3.56
Apr 15, 2026	1	3.59
Apr 14, 2026	2	3.66
Apr 13, 2026	2	3.70
Apr 12, 2026	3	3.78
Apr 11, 2026	5	3.97
Apr 10, 2026	1	3.61
Apr 9, 2026	1	3.57
Apr 8, 2026	1	3.59
Apr 7, 2026	2	3.64
Apr 6, 2026	3	3.74
Apr 5, 2026	5	3.95

Station Information

USGS Site No: 08158827
State: TX
County: Travis County
Coordinates: 30.1263, -97.8211
Drainage Area: 181 mi²
Datum (ft): 584.2
HUC Code: 12090205

View on USGS NWIS →

Recent Extremes

Max discharge: 39 cfs

May 27, 2026
Min discharge: 0 cfs

Oct 27, 2025

Computed from the local daily-values archive.

Nearby Gauges

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2.6 mi · 0 cfs

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Little Bear Ck at Stoneledge Quarry near Manchaca,tx
4.9 mi · 0 cfs

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Bear Ck at Spillar Ranch Road near Manchaca, TX
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Normal