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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
! This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

USGS 09423500 COLORADO RIVER AT NEEDLES, CA

  Stream Site

DESCRIPTION:
Latitude 34°51'06.02",   Longitude 114°36'36.61"   NAD83
San Bernardino County, California, Hydrologic Unit 15030101
Drainage area: 174,500 square miles
Datum of gage: 401.87 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2004-04-08  2025-10-05  
 Daily Data
    Gage height, feet  2004-04-08  2025-10-05  7672 
 Water-Year Summary 2006  2025  20 
 Revisions  Loading...
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