Onion Ck At Us Hwy 183, Austin, Tx Realtime Data
ONION CK AT US HWY 183, AUSTIN, TX
Realtime Data • Report • Conditions
1
Discharge (cfs)
4.5
Gauge Height (ft)
Streamflow discharge was last observed at 1 cfs, and a gauge height of 4.54 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 2 .
Weather today, Tomorrow,
The primary flow providers and constituents are precipitation, tributaries, and groundwater. There are several smaller tributaries that flow into Onion Creek, including Williamson Creek and Bear Creek. The creek is prone to flash flooding during heavy rainfall events, and there have been several major flood events in the past. The creek is also home to several species of fish, including Guadalupe bass and largemouth bass. Interestingly, the creek is named after the wild onions that grow along its banks. Overall, this streamgauge is important for tracking water levels and predicting flood events in the area.
August 2, 2026
| Elevation | 450.0 ft |
| Last Updated | |
| Gage height, ft | 4.54 ft |
| Streamflow, ft³/s | 0.67 ft3/s |
| Percent of Normal | 9% |
| Year Over Year Average | 7 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 19,300 cfs |
| Geolocation | 30.18, -97.69 |
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