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.
This data release codifies and attributes explanatory variables at 33 wells used for domestic water supply. The sites were used to assess groundwater quality in the U.S. Geological Survey Priority...
data.gov
An official website of the GSA's Technology Transformation Services