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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

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The data you requested may be available offline.
    For more information on these data, contact USGS Water Data Support Team

Links to other data for the requested sites follows:

USGS 09423550 TOPOCK MARSH INLET NEAR NEEDLES, CA
Data Type Begin Date End Date Count
 Field measurements 1985-09-04  2022-01-03  167 
 Field/Lab water-quality samples 1986-08-27  1986-08-27  4 
 Revisions  Loading...

Additional Data Sources

Begin Date

End Date

Count
 Annual Water-Data Report (pdf)  **offsite** 2006  2013  8