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The dry Colorado River Delta in 2009.

US, Mexico Sign On to Boost Conservation of Colorado River

'Minute 323' calls for the U.S. to invest $31.5M to modernize Mexico's infrastructure.
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.
The fish survey team in the Santa Cruz River in Marana, 2015.

Ecologist: New Fish Swimming in Improving Water of Lower Santa Cruz

Final report shows new fish species, improved water quality.
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.
Many Southern Arizona residents employ water-saving techniques, like rainwater harvest.

Conserving Water but Paying More? There's a Reason

Without water-saving practices, Tucsonans would be paying 11.7% more.
Rainwater pours into a wash in Tucson, Arizona.

Tucson Water Rates to Increase Monday

Money to help ensure safe water supply, department says.
Image from a section of the Lower Colorado River Planning Area.

Raising Awareness about 'Water Banking,' Mainstay of Arizona Water Strategy

UA Water Resources Research Center says banking, recharge and recovery not well understood by the public.
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.

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