Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 08158827 Onion Ck at Twin Creeks Rd nr Manchaca, TX

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Funding for this site is provided by the cooperators / programs below:
Click to go to the City of Austin web page

City of Austin

retransmission, forecasts and summary of this location by the National Weather Service
Retransmission, forecasts and summary by the National Weather Service

This site is operated in cooperation with the City of Austin Watershed Protection Department Flood Early Warning System. This site uses an Iridium Radio to transmit data approximately every 5 minutes.

The minimum operational gage height for data transmitted via ELOS radio is 15.65 feet.

The elevation of this station has been determined to be 584.16 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 584.16 feet to gage height values.

This station managed by the Austin Field Unit.

Available Parameters Available Period
  
2003-04-03  2024-12-03
2007-10-01  2024-12-03
2024-08-05  2024-12-03







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second, [Primary Sensor 5-Min Update]
Most recent instantaneous value: 1.87 12-03-2024   11:00 CST
Graph of Discharge, cubic feet per second, [Primary Sensor 5-Min Update]

Add up to 2 more sites and replot for "Discharge, cubic feet per second, [Primary Sensor 5-Min Update]"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Dec 3 based on 21 water years of record more
Min
(2009)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Dec 3		 Median 75th
percen-
tile		 Mean Max
(2005)
0.00 0.36 1.87 2.2 5.9 19 226

Gage height, feet, [Primary Sensor 5-Min Update]
Most recent instantaneous value: 3.75 12-03-2024   11:00 CST
Graph of Gage height, feet, [Primary Sensor 5-Min Update]

Add up to 2 more sites and replot for "Gage height, feet, [Primary Sensor 5-Min Update]"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Gage height, feet, [Secondary Sensor 5-Min Update]
Most recent instantaneous value: 6.58 12-03-2024   11:20 CST
Graph of Gage height, feet, [Secondary Sensor 5-Min Update]

Add up to 2 more sites and replot for "Gage height, feet, [Secondary Sensor 5-Min Update]"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |