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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

USGS 321517110571802 D-13-14 31CAC [WR-52]

  Well: Extensometer well Site

DESCRIPTION:
Latitude 32°15'17",   Longitude 110°57'18"   NAD27
Pima County, Arizona   , Hydrologic Unit 15050302
Land surface altitude: 2,395 feet above NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2025-08-01  
 Daily Data
    Depth to water level, feet below land surface  1982-10-01  2025-07-31  13347 
 Daily Statistics 
    Depth to water level, feet below land surface  1982-10-01  2025-05-15 13270 
 Monthly Statistics 
    Depth to water level, feet below land surface  1982-10  2025-05  
 Annual Statistics 
    Depth to water level, feet below land surface  1983  2025  
 Field groundwater-level measurements 1983-11-04  2025-08-01  345 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...

Additional Data Sources
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End Date
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OPERATION:
Record for this site is maintained by the USGS Arizona Water Science Center
Email questions about this site to Arizona Water Science Center Water-Data Inquiries