Arizona Department of Water Resources

Arizona sued over 100-year water supply for Benson homes

Lawsuit challenges Benson’s 100-year adequate water supply plan, citing threats to the San Pedro River and failure to protect federal water rights.

ADWR Director joins World Water Week panel in Sweden

Arizona's water director joined a panel at World Water Week, highlighting indigenous water rights and the importance of collaboration in managing resources.

Arizona’s brackish groundwater: A resource for the future?

Arizona Department of Water Resources releases brackish groundwater report identifying potential areas for desalination, offering a possible solution to water scarcity.

Arizona responds to San Pedro River groundwater pumping lawsuit

Arizona's Governor and Department of Water Resources move to dismiss environmentalists' lawsuit over groundwater pumping in San Pedro River basin.

2023-24: Colorado River & Arizona water report

2023 saw improved Colorado River conditions, Arizona's conservation success, and plans for a sustainable water future.

Arizona launches supply-demand studies for 51 groundwater basins

ADWR's new "Supply & Demand" portal offers crucial assessments of Arizona's groundwater basins, aiding in sustainable water management and planning.

About This Site

Western-Water is for laypeople who are interested in general water news and their water rights. Managed by a water paralegal with over 30 years' experience in Arizona water issues, you'll find calculators, tips and general information geared for water users in the Colorado River states. Do not rely on this site for legal advice. The picture was taken while hiking at Aravaipa Canyon, a must see!

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Helen Ck on Researchers say Colorado River storage faces critical year aheadSeptember 18, 2025
This situation will make the script of CHINATOWN read like a rom-com. It's likely to get ugly.
Helen Ck on Navajo-Utah water settlement now enforceableSeptember 18, 2025
Water will soon be the most precious resource. It's wise to secure stable access to clean water at the earliest…
Helen Ck on EPA announces $3 million to reduce lead in Tribal waterSeptember 18, 2025
It's about time these health hazards are addressed. The government is slow to respond to the needs of Native communities.…
Deborah on Interior moves to rescind Public Lands RuleSeptember 13, 2025
It's probably going to be explosive.
bove on Interior moves to rescind Public Lands RuleSeptember 12, 2025
I'm interested to see what the comment period reveals.