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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.

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

    The program name that you tried to access is not recognized.
    The valid program names available in the NwisWeb system include:
    Program Name Description
    adr_rpt Annual Data Report
    annual Water Year Statistics
    calendar Calendar Year Statistics
    current Real-Time Data
    doc Water Data for the Nation HelpSystem
    docs Water Data for the Nation HelpSystem
    dv Daily Data
    dvstat Water Year Statistics
    gw Water Data for the Nation
    gwlevel Groundwater levels
    gwlevels Groundwater levels
    inventory Site Inventory
    man Station Home Page
    map Site Map
    measurement Streamflow Measurements
    measurements Streamflow Measurements
    monthly Water Year Statistics
    nwis Water Data for the Nation
    nwisman Station Home Page
    nwismap Site Map
    peak Peak Streamflow
    peaks Peak Streamflow
    pmcode Parameter Code Definition
    pmcodes Parameter Code Definition
    qw Water Data for the Nation
    qwdata Water Quality Samples
    realtime Real-Time Data
    review Site Inventory
    rt Water Data for the Nation
    si Water Data for the Nation
    site Site Inventory
    stat Water Year Statistics
    stats Water Year Statistics
    subscribe Subscribe
    sw Water Data for the Nation
    uv Daily Data
    water Water Year Statistics
    water_use Water Use for the Nation
    wu Water Use for the Nation