An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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...
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...