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Tucson Chapter

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Flagstaff Chapter

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Advancing water resources education, research, planning, and development since 1985

The Arizona Hydrological Society is a 501(c)(6) nonprofit organization that provides an open forum for professionals to exchange information. AHS supports public understanding, education, and training in the science and technology of hydrology and water resources. An important part of our mission is promoting the responsible use, management, and preservation of water resources in the arid Southwest.

To support these goals, AHS funds meetings, scholarships, symposia, and other outreach and educational activities, mostly through its 501(c)(3) charitable arm, the AHS Foundation.


Upcoming Events

Be sure to check our Events Calendar for info on many more events!

Latest News From AHS

  • Join us for the Verde River Headwaters Field School
    Updated on May 5th The Verde Headwaters Field School is being run by the Flagstaff Chapter of the Arizona Hydrological Society from June 4-7 at various locations in the Paulden, Chino Valley and Prescott area.   The following are text, displays…
  • MAY 2026: WELL CONSTRUCTION PERMITS
    There is an old folk saying about actions that are too late:  ‘Closing the barn door after the horse has bolted.’ Litigation filed by the Arizona Attorney General Kris Mayes two years ago, still ongoing, may fit this description.                                   Fondomonte…
  • Field Trip to Kachina Village 
    On April 21, the Flagstaff Chapter (Erin Young, President), Kachina Village Domestic Water Improvement District (Sam Mossman, Utility Director), and KP Ventures (Kenny Porter, President) brought off an impromptu field trip in brilliant fashion.  Sponsors of the outing included Spheros…
  • APRIL 2026: STILL IN SESSION
    The Arizona Legislature remains in session, and water-related bills continue to be debated and voted upon. One bill could signal a shift in the way the groundwater resources of remote basins with smaller populations are viewed by the cities of…
  • Meixner Memorial Foundation – 2026 Field Experience
    The following four minute video presents the need and rational for the 1-Year Masters in Science in hydrogeology at the University of Arizona.  It outlines the thinking of the Hydrology and Atomospheric Science professors on the need for the program…
  • MARCH 2026: THE DRAFT EIS IS HERE
    The U.S. Bureau of Reclamation (Reclamation), which is responsible for managing the Colorado River system as a whole, published its long-awaited draft Environmental Impact Statement (EIS) in early January 2026. The comment period ended on March 2. The document, some…

Thanks to Our Corporate Members

Thinking about becoming a corporate member? Our corporate bundles save you a bundle — more than 15% — and ensure that your group members get discounts on AHS events and free access to perks such as our job board. For more information, contact us at [email protected].