Skip to main content

An official website of the United States government

Here's how you know

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.

U.S. Geological Survey

- Science Explorer
  
  Biology and Ecosystems
  
  Climate
  
  Coasts
  
  Energy
  
  Environmental Health
  
  Geology
  
  Information Systems
  
  Maps and Mapping
  
  Methods and Analysis
  
  Minerals
  
  Natural Hazards
  
  Ocean
  
  Planetary Science
  
  Science Technology
  
  Water
- Mission Areas
  
  Core Science Systems
  
  Ecosystems
  
  Energy and Minerals
  
  Natural Hazards
  
  Water Resources
- Programs
- Regions
  
  Northeast Region
  
  Southeast Region
  
  Midcontinent Region
  
  Rocky Mountain Region
  
  Southwest Region
  
  Alaska Region
  
  Northwest/Pacific Islands Region
- Data
  
  Data Management
  
  Data Releases
  
  Real-time Data
  
  All Data
- Maps
  
  Map Releases
  
  Topographic (Topo) Maps
  
  Volcanic Maps
  
  All Maps
- Multimedia Gallery
  
  Audio
  
  Before and After Images
  
  Images
  
  Slideshows
  
  Stereograms
  
  Videos
  
  Webcams
  
  All Multimedia
- Publications
- Web Tools
  
  Alert and Notification Services
  
  APIs
  
  Data Access Tools
  
  Data Analysis Tools
  
  Data Visualizations
  
  Interactive Maps
  
  All Web Tools
- News Releases
  
  National News Releases
  
  State News Releases
  
  All News Releases
- I'm a Reporter
  
  Earthquake Questions
  
  Request Footage
  
  Multimedia Gallery
  
  Congressional
- Headquarters
  
  12201 Sunrise Valley Drive Reston, VA 20192
  
  703-648-5953
  
  Geology and Hydrology of the USGS Site
  
  USGS Woodland and Rock Garden Walks
- Locations
- Staff Profiles
- Social Media
- Careers
- Contact Us
  
  1-888-392-8545
  
  Email
  
  Web Chat
  
  USGS Store 1-888-275-8747
- Organization
  
  Mission Areas
  
  Programs
  
  Regions
  
  Science Centers
  
  Observatories
  
  Laboratories
  
  Science Support Offices
- Doing Business
  
  Acquisitions
  
  Contracts and Grants
  
  Partners and Cooperators
  
  Building Partnerships
- Emergency Management

Facebook
Twitter
Linkedin
Digg
Reddit
Pinterest
Email

Latest Earthquakes | Chat Share

Label

Label

U.S. Geological Survey

- Science Explorer
- Mission Areas
- Programs
- Regions
- Data
- Maps
- Multimedia Gallery
- Publications
- Web Tools
- News Releases
- I'm a Reporter
- Headquarters
- Locations
- Staff Profiles
- Social Media
- Careers
- Contact Us
- Organization
- Doing Business
- Emergency Management

Latest Earthquakes
Web Chat
Share
- Facebook
- Twitter
- Linkedin
- Digg
- Reddit
- Pinterest
- Email

Breadcrumb

GeoHEALTH—USGS

GeoHEALTH-USGS Newsletter, July 2021

The GeoHEALTH–USGS Newsletter—published since 2004—provides information on USGS science pertinent to safeguarding the health of fish, wildlife, domesticated animals, livestock, and people from environmental exposures to contaminants and pathogens. The research is supported by the Environmental Health Program of the Ecosystems Mission Area.

Subscribe Subscribe

July 16, 2021

Image: Endangered Humpback Chub

Research

Assessment of Mercury and Selenium Accumulation in Upper Colorado River Basin Fish

Raven

Research

Scientists Provide an Understanding of Anticoagulant Rodenticide Exposure in Non-Target Bird Species

Dragonfly

Research

Long-Term Monitoring Reveals How Water and Biota in Remote Lakes Respond Differently to Changes in Atmospheric Deposition of Mercury

Image: Bald Eagle with Prey

Research

Ecotoxicology and Ecological Risks of Per‐ and Polyfluoroalkyl Substances

White sturgeon hatch

Research

Do Trace Metal Concentrations in the Upper Columbia River Affect Early Life Stage White Sturgeon?

central eastern U.S. states with boundary outline

Research

Groundwater Discharge is a Pathway for Phytoestrogen and Herbicide Entry to Streams in the Chesapeake Bay Watershed

Image: Little Muddy River

Research

Geochemical Signatures of Oil and Gas Wastewater from an Accidental Release Detected in Stream Sediment and Pore Waters Two Years Post Spill

USGS researcher sampling pesticides and pharmaceuticals at a residential tap, as part of ongoing USGS research on point-of-use

Research

Inorganic and Organic Chemical Mixtures Detected in both Public and Private Tap Water in Cape Cod, Massachusetts

newsletter

GeoHEALTH—USGS

Science Explorer
Mission Areas
Programs
Regions
Science Centers
Observatories
Laboratories
Frequently Asked Questions
Educational Resources
Special Topics

Data
Maps
Publications
Multimedia Gallery
Web Tools
Software
U.S. Board on Geographic Names
The National Map
USGS Library
USGS Store
Park Passes

Featured Stories
News Releases
Science Snippets
Technical Announcements
Employees in the News
Get Our News
Media Contacts
I'm a Reporter
Newsletters

Headquarters
Locations
Staff Profiles
Social Media
Careers
Contact Us

About Us
Survey Manual
Organization
Key Officials
Congressional
Budget
Careers and Employees
Doing Business
Emergency Management

Accessibility
FOIA
Site Policies
Privacy Policy
Site Map
DOI and USGS link policies apply
No FEAR Act
USA.gov

U.S. Department of the Interior

Contact USGS

1-888-392-8545

answers.usgs.gov