Posts tagged national rivers and streams assessment.

The U.S. EPA has issued for public comment a draft of its most recent National Rivers and Streams Assessment (NRSA). The Assessment involved sampling over 1,900 points along wadeable waterways in the contiguous 48 States during 2008 and 2009, and updates a similar study done in 2004. Comments must be emailed to nrsa-hq@epa.gov by 11:59 p.m. May 9, 2013.

Among the key findings: 55% of the nation's river and stream miles do not support healthy populations of aquatic life, with phosphorus and nitrogen pollution and poor habitat the most widespread problems. An additional 23% of river and ...

Burr
Jump to Page
Arrow icon Top

Contact Us

We use cookies to improve your website experience, provide additional security, and remember you when you return to the website. This website does not respond to "Do Not Track" signals. By clicking "Accept," you agree to our use of cookies. To learn more about how we use cookies, please see our Privacy Policy.

Necessary Cookies

Necessary cookies enable core functionality such as security, network management, and accessibility. These cookies may only be disabled by changing your browser settings, but this may affect how the website functions.


Analytical Cookies

Analytical cookies help us improve our website by collecting and reporting information on its usage. We access and process information from these cookies at an aggregate level.