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


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW 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 09469000 SAN CARLOS RESERVOIR AT COOLIDGE DAM, AZ

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
This station is operated through the cooperation of
the Gila Water Commissioner, and the
US Geological Survey
This station is managed by the
USGS, Arizona Water Science Center, Glendale Field Office.

HIGH DATA RATE (Site data are transmitted & updated hourly)

This station managed by the Tempe Field Office; USGS AZ-WSC.

Available Parameters Available Period
  
2007-10-01  2025-10-21
2022-03-31  2025-10-21







 (7)
 

  -- or --

 


 

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


Reservoir storage, acre-feet

Most recent instantaneous value: 15530 10-21-2025   12:30 MST
Graph of

Add up to 2 more sites and replot for "Reservoir storage, acre-feet"

?
 


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

See this graph on the Monitoring Location Pages




Gage height, feet, [Final Lake Gage-height]

Most recent instantaneous value: 2410.77 10-21-2025   12:30 MST
Graph of

Add up to 2 more sites and replot for "Gage height, feet, [Final Lake Gage-height]"

?
 


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

See this graph on the Monitoring Location Pages