Skip to main content
U.S. flag

An official website of the United States government

Web Tools

Explore Environmental Health science using the tools below.

PFAS in US Tapwater Interactive Dashboard

Drinking-water quality and potential exposures to per- and poly-fluoroalkyl substances (PFAS) at the point-of-use (tapwater) are a rising concern in the United States (US).

Environmental Health Program at the U.S. Geological Survey

One Health science to address high priority issues related to human and wildlife exposures to environmental contaminants and pathogens

U.S. Geological Survey COVID-19 Wastewater Surveillance

USGS, as part of the National Wastewater Surveillance System, designed and implemented high-frequency sampling of wastewater across six states throughout September 2021, to support tracking of potential increases in COVID-19 infections in communities. COVID-19 viral loads were determined for each sample with the goal of delivering results to the CDC within three days of sampling. 

Mercury in Freshwater Fish of the Chesapeake Bay Watershed—Story Map

The US Geological Survey (USGS), working with the partners in the watershed, compiled mercury data for freshwater fishes to understand how mercury concentrations, and risk to consumers, varies across the watershed.

The Dragonfly Mercury Project—Story Map

The Dragonfly Mercury Project is a citizen science framework for monitoring mercury pollution in U.S. national parks using dragonfly larvae as biosentinels. This Story Map provides an overview of the Project and includes an interactive map displaying results from across the country. Dragonflies were sampled from 100 U.S. national parks, including very remote areas.