More Arizona Environment Water Stories

Decades-Long Dispute Over Arizona Tribe's Water Rights May Soon Be Resolved

Senators John McCain and Jeff Flake have introduced a bill to allocate Colorado River water to the tribe and pay for construction of delivery infrastructure.

A view above the Santa Rita Mountains from satellite.

Groups Sue Forest Service Over Rosemont Copper Mine Decision

Environmental groups say Coronado NF Supervisor's Record of Decision came prematurely.

The fish survey team in the Santa Cruz River in Marana, 2015.

River Managers Want to Know What Santa Cruz Means to Community

They'll hold public workshops to gain feedback and help river managers improve the waterway's management.

The US Fish and Wildlife Service says the Sonoyta mud turtle is in danger of going extinct. There are five known populations, one is Arizona and four in Sonora.

Rare Arizona Turtle to Join Endangered Species List

US Fish and Wildlife says the reptile is in danger of extinction.

Crews work to clear Wet Canyon on Mount Graham. The canyon was overrun with debris and sediment when multiple storms brought heavy rainfall to areas that were severely burned during the Frye Fire.

USGS: Wildfire-Caused Erosion Endangers Western Watersheds

Denuded landscapes allow sediment to soak up or contaminate run-off.

Patagonia Lake State Park and surrounding protected areas provide habitats for many species of wildlife.

State Park Benefits from Summer Monsoon

Rain adds welcome water to the popular destination.

Boulder Basin at Lake Mead.

Water Managers: 'Zero' Chance of Colorado River Water Shortage Next Year

Federal officials say water levels in Lake Mead are not as low as they worried.

The Santa Cruz River.

Scientists Look for Impact of Pollution from Pills in Wastewater

Difficult to filter, chemicals from drugs and personal-care products are of 'emerging concern' in waterways like the Santa Cruz River.

Edward Abbey's Southwest

Also on Arizona Spotlight: The latest on the sewage pipe break in Nogales; and a UA project to return lost dog tags from the Vietnam War unites two generations of veterans.

Looking up at Seven Falls, in the Sabino Canyon Recreation Area.

Rescues Highlight Danger of Flash Floods in Catalina Mountains

Multiple helicopter rescues have taken place during recent weekends when floods stranded visitors.

A lightning strike over east Tucson.

Tucson Sets July Rainfall Record, 2nd-Highest Monthly Total

July's rain total was higher than average rainfall for an entire summer rain season.

Pima County Wastewater Reclamation Department Research and Innovation Manager Jeff Prevatt examines water after it has come through the county's new water purification truck.

Mobile Unit Looks to Fight Treated Wastewater's 'Yuck' Reputation

Facility fits in a commercial truck trailer, and will be used as a public exhibit to build confidence in reclaimed drinking water.

A lightning strike over east Tucson.

Monsoon Brings Danger of Flash Flooding to Arizona

Meteorologist: Deadly event near Payson is an example of flash-flood dangers.

The Horseshoe Draw Project sits on 38 acres. The bottom of the basin takes up nine acres and sits 22 feet below ground level. 263,000 cubic yards of dirt were removed to create the project.

Tributary Projects Aim to Improve Health of San Pedro River

Watershed work aims for increased flows and health of the undammed river.

A view from the Lake Mead side of the Hoover Dam.

Changing Conditions Prompt Differing Predictions from Water Managers

One report says a water shortage in Arizona is less than two years away.

Above-Normal Flow to Be Released from Lake Powell

Water will go to Lake Mead for distribution to Arizona, California, Nevada.

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