Phoenix Chapter

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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

ASU Flow 2024

ASU Flow 2024

ASU Flow 2024 gives students and researchers the opportunity to engage with professionals from private, government, and nonprofit organizations. Join us for posters, lightning talks, exhibitors, an employment fair, a networking dinner, and an awards ceremony. Sponsorships are available at the $500, $1000, $1500, and $2000 levels; individual tickets cost $30.

Thanks to Our ASU Flow 2024 Sponsors

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Latest News From AHS

  • Remembrance for Dr. Meixner to Be Held Friday Morning, October 4
    Saturday is the 2-year anniversary of the senseless slaying of Dr. Thomas Meixner.  The Department of Hydrology and Atmospheric Sciences at the UA has designated Friday as a day of remembrance. The UA and St. Thomas More Newman Center are hosting…
  • Announcing Our 2025 Slate of Board Candidates
    Election time is right around the corner — and that applies to AHS, too! Here are the candidates for each chapter; you’ll notice lots of familiar names. We’ll be sending out e-ballots in early November, so be sure to check…
  • October 2024: Colorado River Status
    The Bureau of Reclamation (BOR) has declared the Lower Colorado River Basin to be in a Tier 1 shortage condition for 2025. Releases from Lake Powell to Lake Mead will be 7.48 million acre-feet (maf). This is actually good news…
  • Volunteers Sought for the 2025 Symposium
    We’re looking for volunteers to plan the 2025 AHS Symposium in Phoenix next fall. The conference will feature presentations, posters, an awards luncheon, networking opportunities, and potential workshops and field trips. Past symposia have had two to three concurrent technical…
  • Tucson Chapter Holiday Bash to Be Held at the Botanical Gardens
    This year’s annual holiday party will be held at the Tucson Botanical Gardens. Join AHS Tucson for a special evening at the Tucson Botanical Gardens on Monday, December. Enjoy the festive atmosphere among garden paths and local desert flora, celebrating…
  • Five CAWCD Board Seats Up for Election This November
    This November 5, five Maricopa County seats are up for election on the CAWCD Board of Directors. The board consists of 15 members who serve staggered 6-year, unpaid terms to establish policy and set rates and taxes for CAP. Ten members…

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].