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Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted. For more information, please see www.doi.gov/shutdown.
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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 a esri powered interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona
![Graph of Discharge, cubic feet per second, [(2)]](https://natwebsdww01.cr.usgs.gov/nwisweb/data/img/USGS.09522750.6900.00060..20190115.20190122.log.0.p50.gif)
