Big Muddy Speaker Series presents:
Missouri Stream Teams - From the Great River Confluence to Creeks Across Missouri


The Missouri Stream Team program brings together the expertise and resources of statewide science and conservation agencies with the passion and local knowledge of Missouri's stream-loving public. We'll get the Stream Team story from several river veterans.
St. Louis Stream Team Assistant Brian Waldrop will discuss the Stream Team Program in the St.Louis region, with its unique urban challenges, issues and communities.
Christopher M. Riggert, Stream Team Program Coordinator for the Missouri Department of Conservation will talk about “Changes in the Stream Team Program" at the statewide level.
Local Stream Team Veteran Larry Ruff will share a chronology of his experiences as an active and innovative Missouri Stream Team member. Larry has been on the Board of Directors of Greenway Network since 1999 and is currently serving as Treasurer.
Meet Your Presenters

Brian Waldrop

Chris Riggert
, Stream Team Coordinator
Chris is the Stream Team Coordinator for the Missouri Department of Conservation in Jefferson City. He has a Bachelor of Science Degree in Fisheries and Wildlife from the University of Missouri – Columbia and a Master of Arts in Environmental Studies from the University of Central Missouri in Warrensburg. He began his career with the Missouri Department of Conservation in 1992 as a Fisheries Research Aid, working on the catfish project below Truman Dam, then on the Crayfish Crew on the Jacks Fork and Big Piney Rivers. Chris began working with the Stream Services Unit in 1999. From 2007 to early 2017 Chris coordinated the Stream Team’s Volunteer Water Quality Monitoring Program statewide.

Larry Ruff
, Missouri Stream Team
Larry after a 31 year teaching career retired from Francis Howell North high school as the Science Department Chairperson. During his tenure he taught most of the biological sciences and co-authored the Environmental Studies curriculum for the Francis Howell school district. He was Francis Howell North’s Teacher of the Year in 1999 and has been named Who’s Who Among American Teachers five times.
He has been involved with Missouri Stream Team since 1993 and formed Francis Howell North’s Stream Team #374. While he was the stream team sponsor, he and his students received numerous awards and grants for their outstanding work. He has attended the Missouri Department of Conservation Stream Team Academy and is currently Stream Team Level IV certified. He is a past president and vice-president of the Missouri Stream Team Watershed Coalition.
Related Presentations
Resources & Links
The Big Muddy Speakers Series in St. Charles
is hosted by these wonderful partners:
All speakers are presenting for free and Big A’s is sharing the space for free! Thank you for sharing your knowledge with all of us!
The Big Muddy Speaker Series also takes place monthly in Rocheport and Kansas City.
A special thank you to Greg Poleski of Greenway Network for making this happen!
Upcoming Presentations

Missouri River Relief: 25 Years on the Big Muddy
November 10, 2026Columbia, MO
Join us for a journey through time celebrating 25 years of Missouri River Relief's work on the Big Muddy.
See Event
Plastic Pollution, Gulf Hypoxia, and Water Quality
November 11, 2026St Charles, MO
Jennifer Wendt from MidAmerica Clean Future guides us through understanding regional water quality challenges.
See Event