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


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Scheduled Maintenance Notice
    USGS will be performing maintenance on WDFN webpages beginning Tuesday, May 12.
    If you cannot access the page you are intending or are unexpectedly redirected to a different page, please reach out to wdfn@usgs.gov for assistance.

  • Explore the USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
! 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 11303500 SAN JOAQUIN R NR VERNALIS CA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Click to enlarge
Site Photo
Site Photo
> Rating Information
This station managed by the Sacramento Field Office.

Available Parameters Available Period
  
2007-10-01  2026-05-28
1986-11-30  2026-05-28
2007-10-01  2026-05-28
2023-05-29  2026-05-28
2014-10-01  2016-08-18







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 18.0 05-28-2026   12:45 PDT
Graph of Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 1740 05-28-2026   12:45 PDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
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 May 28 based on 97 water years of record more
Min
(2015)		 25th
percen-
tile		 Most Recent
Instantaneous
Value May 28		 Median Mean 75th
percen-
tile		 Max
(1938)
249 1520 1740 3110 7570 12600 34300

Gage height, feet
Most recent instantaneous value: 9.14 05-28-2026   12:45 PDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 11.71 05-28-2026   12:45 PDT
Graph of Stream water level elevation above NAVD 1988, in feet

Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), TS032: FTS DTS-12
 
-- Data temporarily unavailable for the time period specified --