Texas Watershed Planning

July 27, 2011: Bacteria Dynamics, Assessment Methods, and BMPs

Participant List
Summary Notes

9:30 - 9:40 a.m. Welcome & Introductions [Kevin Wagner, TWRI]
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9:40 - 9:50 a.m. Stakeholder Questions Regarding Bacteria [Mel Vargas, Parsons]
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9:50 - 10:40 a.m. Effect of Fish and Wildlife on Bacterial Levels
  • Evaluation of fecal indicator bacteria loadings from a wildlife point source and sediment resuspension in inland streams [Dr. Michael Barrett, Department of Civil, Architectural, and Environmental Engineering, University of Texas]
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  • The role of fish as sources and vectors of bacteria and the influence of bat colonies on indicator bacterial levels [Dr. George Guillen, Environmental Institute of Houston, University of Houston-Clear Lake]
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10:40 - 11:00 a.m. Networking Break
11:00 - 11:50 a.m. Environmental Effects on Bacterial Survival and Growth
  • Fate and transport of E. coli in rural Texas landscapes and streams [Dr. Saqib Mukhtar, Department of Biological and Agricultural Engineering, Texas A&M University]
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  • Relationship between Bacteria and Conventional Water Quality Parameters [Dr. Hanadi Rifai, Civil and Environmental Engineering Department, University of Houston]
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11:50 - 12:30 p.m. Catered working lunch (or bring your own)
12:30 - 1:20 p.m. Methods for evaluating bacteria sources and loads
1:20 - 2:10 p.m. Effect of management and land use on bacterial concentrations and loading
  • Effects of ag management, land use, and watershed scale on E. coli concentrations [Dr. Terry Gentry, Soil and Crop Sciences Department, Texas A&M University]
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  • Effects of fencing, alternative water, grazing management, and other ag BMPs on bacteria loading [Kevin Wagner, Texas Water Resources Institute]
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2:10 - 2:30 p.m. Networking Break
2:30 - 2:55 p.m. Bacterial Regrowth
2:55 - 3:15 p.m. Roundtable discussion of implications of research findings to watershed planning and implementation [Facilitated by Mel Vargas, Parsons]
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  • How do these findings affect your watershed planning efforts?
  • What are other questions regarding bacteria (i.e. current research needs)?
3:15 - 3:30 p.m. Wrap-Up [Kevin Wagner, Texas Water Resources Institute]
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  • State Bacterial Source Tracking Conference
    • February 28-29, 2012 at T Bar M in New Braunfels
  • Upcoming training opportunities
    • Texas Watershed Steward Program
    • Next Texas Watershed Planning Short Course
    • Next Roundtable (January 2012)
  • Other Announcements
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