Clean Water Act | Western Water

New Mexico opens public comment on water quality standards

The New Mexico Environment Department is seeking public input on proposed changes to surface water standards. The 60-day comment period runs through October 14, 2025, as part of the 2026 Triennial...

Colorado AG fights oil rail plan near Colorado River

The Colorado attorney general is considering legal action after the Trump administration's Bureau of Land Management fast-tracks Utah oil project near the Colorado River, bypassing Clean Water Act...

NGWA urges EPA to keep groundwater under state control

NGWA urges EPA to leave groundwater regulation to states as WOTUS rules are revised following the Supreme Court's Sackett decision.

Court halts Gross Reservoir expansion amid legal storm

Federal judge halts Gross Reservoir expansion, citing major environmental law violations; Denver Water faces construction delays and legal hurdles.

Waters of the US: States’ wetlands rules now mapped in free tool

New National Agricultural Law Center tool maps wetlands permitting laws across all 50 states, helping users understand local requirements after a major Supreme Court ruling.

EPA to revise Waters of the US rules after Supreme Court Ruling

EPA plans to redefine water regulations, easing permitting rules and aligning with a Supreme Court ruling to reduce costs for farmers and businesses.

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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Deborah on New national map opens water well data to the publicOctober 22, 2025
This map is an excellent tool to start. I'm not sure how thorough it is but I've found quite a…
Helen Ck on New national map opens water well data to the publicOctober 22, 2025
We are a democracy. We share the land and its resources. The system works FOR us and we demand transparency.
Helen Ck on Water rights? Utah moves to clarify ownership of geothermal resourcesOctober 22, 2025
Until we acknowledge the wisdom of the first people's , and recognize that the land and all below and above…
Deborah on Humans, not climate, have drained Tucson’s aquifersOctober 18, 2025
Interesting. I have read that, but I agree that a lot of our problems are based on overuse. Thanks for…
Jim Garing on Humans, not climate, have drained Tucson’s aquifersOctober 18, 2025
These conclusions rhyme with the conclusions in "The West Without Water" by Malamud and Ingram, who have made a case…