Skip to main content
U.S. flag

An official website of the United States government

USGS Studies on Contaminants in Drinking Water

Detailed Description

Diagram depicting the sources of drinking water (surface water and groundwater), known and potential sources of contaminants introduced to drinking water (urban and agricultural land use, runoff, infiltration, waste, and wastewater sources) and routes of potential exposure from the point of use (drinking water in the home, at work, and from bottled water). 


Public Domain.