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May 4, 2020

USGS Arizona Water Science Center publishes a series of reports that describe the groundwater resources of the Hualapai Plateau and Truxton Basin

The USGS Arizona Water Science Center has published three reports documenting the findings of a comprehensive groundwater study conducted from 2015...

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October 2, 2018

USGS Prepares to Measure Flooding Across Arizona

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jennifer LaVista or Jim Leenhouts

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September 27, 2017

Levels of Possible Human Carcinogen Declining in Most Wells in Tucson International Airport Superfund Site

Levels of a potential human carcinogen, 1,4-dioxane, have mostly declined in wells in the commercial and residential areas of the Tucson International...

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January 24, 2017

Uranium in Spring Water North of Grand Canyon Likely Not Related to Nearby Mining Activity

Uranium levels in Pigeon Spring, just north of the Grand Canyon, are likely due to a natural source of uranium and not related to the nearby former...

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December 20, 2016

Crossing Borders for a Secure Water Future: US-Mexico San Pedro River Aquifer Report

For the first time, information about the San Pedro River Aquifer is now available from both the U.S. and Mexico in a new, collaborative report issued...

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August 18, 2016

Water Levels Declining in Areas Along San Pedro River near Sierra Vista, Arizona

Streamflow and groundwater levels are declining in some locations along the San Pedro River near Sierra Vista, Arizona, according to a new report by...

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August 15, 2016

Groundwater Recharge in Upper Colorado River Basin May Hold Steady Under Climate Change

Future groundwater replenishment in the Upper Colorado River Basin may benefit from projected increases in future basin-wide precipitation under...

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