Melissa Sevigny

The first comprehensive study in decades of the world’s aquifers found that most groundwater doesn’t renew itself in the span of a human lifetime.

Charlie Leight/The Arizona Republic

The Antiquities Act gives the President of the United States power to declare national monuments. A bill sponsored by Republican Arizona Congressman Paul Gosar wants to limit that presidential authority, which has been in place for more than 100 years. Arizona Public Radio’s Ryan Heinsius reports.

Melissa Sevigny

A study published last week identifies regions where climate change is likely to imperil the water supply. The Colorado River Basin is high on the list.  

Alexa Rogals/The Daily Times via AP

Livestock will again be able to use the San Juan River now that Navajo Nation President Russell Begaye says the river is safe again.

Watering activity was suspended in the wake of the Gold King Mine spill in southern Colorado in August.

The Gallup Independent reports that the Navajo Environmental Protection Agency Water Quality Program advised the president that the river was safe for livestock based on samples collected from the river.


The Grand Canyon is listed as a Park in Peril according to the National Parks Conservation Association. That’s because a proposed development near the park threatens water sources on the South Rim of the canyon. Arizona Public Radio’ Ryan Heinsius reports. 


The Federal Emergency Management Agency has denied a request by the Navajo Nation for an emergency declaration following the Gold King Mine spill. Arizona Public Radio’s Ryan Heinsius reports.


Governor Doug Ducey recently announced a new water initiative for Arizona. It’s designed to address the possibility of future shortages for the state. Arizona Public Radio’s Justin Regan reports.

The City of Prescott has reached a settlement with environmental regulators over new pollution limits for Watson Lake. The agreement requires another look at the limits once more data is collected.

U.S. Environmental Protection Agency

A proposed federal regulation would limit the pharmaceutical chemicals reaching the nation’s waterways.

The rule will affect hospitals, clinics, pharmacies, and long-term care centers. They’ll be banned from flushing pharmaceuticals classified as hazardous waste down the drain. That includes chemotherapy drugs, blood thinners, nicotine and certain nutritional supplements. 

The U.S. Environmental Protection Agency has released the results of dozens of water tests following the Gold King Mine spill last month. The tests were conducted at sites on Animas and San Juan rivers, other tributaries, on Lake Powell, and near the City of Page as recently as Aug. 25.