Breadcrumb-  Science Centers 

## Welcome to the Arizona Water Science Center

## The Continuous Slope-Area Method

### Providing 5-minute water-level data during floods in remote areas

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# Arizona Water Science Center

Welcome to the U.S. Geological Survey Arizona Water Science Center.  Our mission is to collect and interpret high quality, impartial scientific information to provide resource managers and the public with the knowledge required to understand and manage the critical water resources of Arizona and the Southwest.

Contact the AZWSC

### National Water Dashboard

National Water Dashboard - Arizona

Explore real-time streamflow, groundwater, and water-quality conditions in Arizona and across the nation.

Current Conditions

### Featured Science

The USGS  has collected groundwater chemistry samples since 1981 in the Grand Canyon region to better understand changes in groundwater quality that may be the result of mining activities and to identify "hot spots" with elevated metal concentrations. This manuscript presents results for the assessment of uranium in groundwater in the Grand Canyon region.

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### Quick Links:

                        - Real-Time Surface-Water Data for Arizona
                        - Real-Time Groundwater Data for Arizona
                        - Real-Time Water-Quality Data For Arizona
                        - Lower Colorado River Monthly Data Reports
                        - Connect with the AzWSC on Social Media

## News

USGS provides easy access to Colorado River science with new online portal

February 26, 2024

####   USGS provides easy access to Colorado River science with new online portal

Elevated Arsenic in Grand Canyon Region Groundwater Sites Likely from Natural Sources

June 14, 2023

####   Elevated Arsenic in Grand Canyon Region Groundwater Sites Likely from Natural Sources

New Online Maps for Exploring Groundwater Levels in Arizona

May 17, 2023

####   New Online Maps for Exploring Groundwater Levels in Arizona

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## Publications

March 21, 2024

####                 Monitoring aquifer-storage change from artificial recharge with repeat microgravity along Santa Cruz River, Tucson, Arizona, 2019–22              

Water Resources Mission Area, Arizona Water Science Center

February 29, 2024

####                 Water resources inventory of the Las Cienegas National Conservation Area, southeastern Arizona              

Water Resources Mission Area, Arizona Water Science Center

January 30, 2024

####                 Changes in sand storage in the Colorado River in Grand Canyon National Park from July 2017 through June 2020              

Water Resources Mission Area, Ecosystems Mission Area, Arizona Water Science Center, Southwest Biological Science Center

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## Science

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December 23, 2022

####                 Estimation of Dissolved-Solids Concentrations Using Continuous Water-Quality Monitoring and Regression Models at Four Sites in the Yuma Area, Arizona and California              

Arizona Water Science Center

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December 23, 2022

####   Estimation of Dissolved-Solids Concentrations Using Continuous Water-Quality Monitoring and Regression Models at Four Sites in the Yuma Area, Arizona and California

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November 30, 2022

####                 Southwest Gravity Program              

Arizona Water Science Center

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November 30, 2022

####   Southwest Gravity Program

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link

November 23, 2022

####                 Tucson Extensometer Network              

Arizona Water Science Center

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November 23, 2022

####   Tucson Extensometer Network

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