ARIZONA HYDROLOGICAL SOCIETY

SYMPOSIUM

October 1-4, 2025 We-Ko-Pa Resort, Phoenix

Register Now!
Join us for the 36th Annual AHS Symposium, to be held in Phoenix, October 1-4. Network, catch up with old friends and colleagues, and learn about the latest developments in water science, technology, and policy. Special pricing will be available for students, members, and early registrants.
Register Today!

Registration

Exhibitors

Casino Night

Poster Info

Auction and Raffle

Social Events

The 2025 Symposium also includes some fun and great social events. Check the Program at a Glance for dates and times.

Icebreaker. Kick off the Symposium on Wednesday night at 5 pm with a fun icebreaker. Catch up with old friends and colleagues over cocktails and check out our sponsors and exhibitors.

Annual meetings. Join us for the AHS and AHS Foundation annual meetings on Wednesday  before the Icebreaker to catch up on organizational matters. The AHS meeting features margaritas!

Casino Night. Join us Thursday, October 2, 5–7:30 PM, for a fun-filled evening of games, a raffle, and an auction from 7:30 to 9 pm to benefit the AHS Foundation. Casino Night is included with your full symposium registration, or you can purchase admission separately (which includes a $2,000 chip voucher, two drink tickets and hors d’oeuvres). Learn more »

Become a

Sponsor or Exhibitor

at the 2025 Symposium

Venue and Hotel Booking Information

The We Ko Pa Casino Resort is located 31 miles east of downtown Phoenix and 17 miles east of SR-202 Loop E & SR-101 Loop N. Room pricing is $160 per night plus tax (13.92%).

To reserve, call 1-844-493-5672 and be sure to mention the Arizona Hydrological Society Symposium 2025 to get the discount rate, which expires September 5th at 5 pm.

For online reservations go to https://book.rguest.com/onecart/wbe/offers/2093/wekopacasinoresort and enter code BKG355 for the AHS group rate.