Clean Water Act

WOTUS comments close as rule review moves forward

Nearly 29,400 comments were filed on EPA’s proposed WOTUS rule as farm groups and water agencies weigh in on federal jurisdiction.

WOTUS listening sessions end, public comments continue

Federal listening sessions on the WOTUS rule have ended, but written public comments remain open through January 5, 2026. Here is what the proposed changes mean.

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.

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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 Gold mining prompts legal challenge over rare Nevada speciesJanuary 25, 2026
Ha! Good question. They want the opportunity to investigate the population of these species.
Deborah on Utah faces worrisome drought conditionsJanuary 25, 2026
It will be a dire situation, Callie. They've been looking at different options.
Callie Humes on Utah faces worrisome drought conditionsJanuary 23, 2026
What will happen to Utah's water resources if they don't end up getting any snowfall winter?
Callie Humes on Gold mining prompts legal challenge over rare Nevada speciesJanuary 23, 2026
Why would they list the species as endangered when they don't know how many there are yet?
Deborah on WOTUS comments close as rule review moves forwardJanuary 8, 2026
A lot of people and organizations put a lot of thought into their comments. Personally, I think it's good that…