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 11273400 SAN JOAQUIN R AB MERCED R NR NEWMAN CA

PROVISIONAL DATA SUBJECT TO REVISION

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

Available Parameters Available Period
  
2009-08-29  2026-02-23
2009-08-29  2026-02-21
2009-01-21  2026-02-23
2009-08-29  2026-02-23
2009-10-07  2026-02-23
2012-04-21  2026-02-23
2016-10-03  2026-02-23
2012-04-21  2022-02-23
2023-02-23  2026-02-23
2012-04-21  2019-01-06
2019-02-11  2026-02-23







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 12.4 02-23-2026   15:30 PST
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: 2500 02-21-2026   21:45 PST
Graph of

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 Feb 23 based on 11 water years of record more
Min
(2015)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2020)		 Most Recent
Instantaneous
Value Feb 23
169 283 390 436 453 645 2500

Gage height, feet
Most recent instantaneous value: 57.77 02-23-2026   15:30 PST
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 |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 701 02-23-2026   15:30 PST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 7.8 02-23-2026   15:30 PST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.5 02-23-2026   15:30 PST
Graph of pH, water, unfiltered, field, standard units

Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 2.26 02-23-2026   15:30 PST
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

Add up to 2 more sites and replot for "Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
 
-- Data temporarily unavailable for the time period specified --

Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 60.32 02-23-2026   15:30 PST
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), [TS087: YSI 6136]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [TS213: YSI EXO]
Most recent instantaneous value: 25.8 02-23-2026   15:30 PST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [TS213: YSI EXO]

Add up to 2 more sites and replot for "Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [TS213: YSI EXO]"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |