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Streamflow Measurements for Arizona

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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 09423550 TOPOCK MARSH INLET NEAR NEEDLES, CA

Mohave County, Arizona
Hydrologic Unit Code 15030101
Latitude  34°50'10", Longitude 114°35'03" NAD27
Gage datum 400 feet above NGVD29

Period of record
Begin Date End Date Count
1985-09-04 2022-01-03 167

 
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