A new USGS interactive map provides a long-term look at changes in the quality of our nation’s rivers and streams, using data from over 70 organizations. Go online and see how 51 water-quality metrics and 38 aquatic-life metrics at nearly 1,400 sites have changed over the last 40 years. (Public domain.)
A new USGS interactive map provides a long-term look at changes in the quality of our nation’s rivers and streams, using data from over 70 organizations. Go online and see how 51 water-quality metrics and 38 aquatic-life metrics at nearly 1,400 sites have changed over the last 40 years.

USGS map provides long-term look at river water quality

First-of-its-kind interactive map brings together 40 years of water quality data.

A new U.S. Geological Survey (USGS) interactive map provides a comprehensive, long-term look at changes in the quality of U.S. rivers and streams over the last four decades.

For the first time, monitoring data collected by USGS and 73 other organizations at almost 1,400 sites have been combined to provide a nationwide look at changes in the quality of rivers and streams between the 1972 passage of the Clean Water Act (CWA) and 2

All access premium subscription

This content requires a subscription to Feedstuffs in order to access. If you are a paid subscriber, use your email and password to Log In now.


Current Feedstuffs Subscribers: Online and mobile access are now included at no charge to you. To read this article, use your subscriber email and password to log-in to your account (or contact us for assistance in updating your account.)


Not Currently a Subscriber: Subscribe NOW to Feedstuffs and receive our print and/or digital publications, enewsletters and premium online content. Visit Feedstuffs.com and click on Subscribe at the top of the page for more information.


SUBSCRIBE NOW https://circulation.feedstuffs.com/Publications.aspx


TO RENEW YOUR SUBSCRIPTION https://circulation.feedstuffs.com/SubscriptionOffers.aspx


Hide comments

Comments

  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Publish