Nutrients in Our Waters, Our Next Water Quality Challenge

Published: January 8, 2014

Presentation by John Dunn, U.S. Environmental Protection Agency

Wednesday, January 8, 2014

We have had remarkable success in waste water treatment and reduction of pollution in our Nation’s waterways.  We are now finding that our lakes, streams, and rivers still show impacts from excess nitrogen and phosphorus.  This pollution is more subtle than the stories of the old days, before the Clean Water Act, but dealing with these non-point sources is the next step in restoring our waterways to pristine condition. In the Big Muddy presentation EPA Environmental Engineer John Dunn talked about the impacts of nutrients:  Where do they come from?  How do they get into streams?  What are the environmental impacts here and downstream? What are we doing about it?

We hope to have a good discussion with lots of opportunity for questions.

John Dunn is an Environmental Engineer that has been working in the Water Division at EPA Region 7 for over 25 years.

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The Big Muddy Speakers Series in Kansas City

is hosted by these wonderful partners!

Thanks to all of our venue hosts for making this possible!

Click here for a list of upcoming presentations»

The Big Muddy Speaker Series is also held monthly in Rocheport and St. Charles.

Resources and Links

Recordings of Presentations

Kansas City Digital Video has been recording Big Muddy Speaker Series presentations. These are available on their website at this link. Some contain synchronized powerpoint presentations. We will be posting these to the archived presentation pages on bigmuddyspeakers.org.

Thanks Micheal Morgan and crew for putting this important archive online!

The Big Muddy Speaker Series is partially funded by the Columbia Ecological Services Field Office (USFWS) and the Mo. Dept. of Conservation.


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