How high is the Onion Ck at Us Highway 183, Austin, TX right now?

The Onion Ck at Us Highway 183, Austin, TX is currently flowing at 12 cubic feet per second with a gage height of 5.32 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Onion Ck at Us Highway 183, Austin, TX normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 51th percentile compared to the long-term historical record at this gauge.

Is the Onion Ck at Us Highway 183, Austin, TX at flood stage?

No — the gage height is 11.68 feet below the NWS flood-stage threshold of 17.0 feet.

What is the historical median flow for the Onion Ck at Us Highway 183, Austin, TX on June 11?

The long-term median discharge for this date is 9 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to 2,970 cfs.

Where is the Onion Ck at Us Highway 183, Austin, TX stream gauge located?

The Onion Ck at Us Highway 183, Austin, TX stream gauge is operated by the USGS in Travis County, TX on the Onion Creek. USGS site number 08159000 (coordinates 30.1780, -97.6886).

Onion Ck at Us Highway 183, Austin, TX

USGS Site No: 08159000 • Onion Creek • Travis County, TX

Onion Ck at Us Highway 183, Austin, TX on the Onion Creek is currently at 12 cfs (Normal — 51th percentile for this date) . Gage height: 5.32 ft.

Reading from 1 week ago

↑ Upstream on Onion Creek

Onion Ck at Twin Creeks Road near Manchaca, TX

CFS Discharge

5.32

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	0
25th	Low threshold	2
50th (Median)	Normal (median)	9
75th	High threshold	93	Today: 12 cfs
95th	Very High threshold	2,970

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	48	5.80
May 27, 2026	116	6.25
May 26, 2026	13	5.30
May 25, 2026	7	5.10
May 24, 2026	10	5.26
May 23, 2026	24	5.54
May 22, 2026	79	6.03
May 21, 2026	18	5.40
May 20, 2026	28	5.50
May 19, 2026	2	4.75
May 18, 2026	2	4.75
May 17, 2026	2	4.79
May 16, 2026	3	4.85
May 15, 2026	5	4.97
Apr 20, 2026	2	4.77
Apr 19, 2026	0	4.48
Apr 18, 2026	0	4.48
Apr 17, 2026	0	4.51
Apr 16, 2026	1	4.57
Apr 15, 2026	1	4.64
Apr 14, 2026	1	4.73
Apr 13, 2026	1	4.78
Apr 12, 2026	2	4.80
Apr 11, 2026	2	4.82
Apr 10, 2026	2	4.85
Apr 9, 2026	1	4.58
Apr 8, 2026	1	4.68
Apr 7, 2026	1	4.78
Apr 6, 2026	2	4.94
Apr 5, 2026	7	5.37

Station Information

USGS Site No: 08159000
State: TX
County: Travis County
Coordinates: 30.1780, -97.6886
Drainage Area: 321 mi²
Datum (ft): 443.3
HUC Code: 12090205

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 15.0 ft
Flood Stage: 17.0 ft
Moderate Flood: 23.0 ft
Major Flood: 27.0 ft

Currently 11.68 ft below flood stage.

Recent Extremes

Max discharge: 169 cfs

Jul 5, 2025
Min discharge: 0 cfs

Apr 1, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Williamson Ck at Jimmy Clay Road, Austin, TX
2.7 mi · 0 cfs

Normal
Colorado Rv at Austin, TX
4.7 mi · 555 cfs

Low
Maha Ck at Von Quintus Road near Del Valle, TX
6.0 mi · 4 cfs

Very High
Boggy Ck at Webberville Road, Austin, TX
6.0 mi · 0 cfs

Low
Eastern Tributary To Dry Ck near Del Valle, TX
6.1 mi · 0 cfs

Normal