September 1 - 0830 - Bethany Brittenham
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11th International Drainage Symposium August 30-September 2, 2022 Des Moines, Iowa
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September 1 - 0830 - Bethany Brittenham
- 1. Architecture + Engineering + Environmental + Planning | ISGInc.com Threading the Needle Getting Conservation Practices in Place International Drainage Symposium 2022 ISG
- 2. Architecture + Engineering + Environmental + Planning | ISGInc.com Presenter Introduction Bethany Brittenham, PE Water Resources Engineer
- 3. Architecture + Engineering + Environmental + Planning | ISGInc.com Firm Overview Business Units Commercial Education Food + Industrial Government + Cultural Healthcare Housing Mining PublicWorks Sports + Recreation Telecommunications + Energy Transportation Water 450+ Multi-Disciplinary Professionals 11 Midwest Offices
- 4. Architecture + Engineering + Environmental + Planning | ISGInc.com Conservation Barriers Overview 1 3 Topic 2 Funding Restrictions + Bureaucracy 2 Topic 1 Landowner Consensus Topic 3 Technical Site Conditions 4 Topic 4 Cost Benefit
- 5. Architecture + Engineering + Environmental + Planning | ISGInc.com Examples of Conservation Practices • Two-stage ditches • Iron sand filters • Alternate inlets • Grass waterways
- 6. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 1: Landowner Consensus Challenges • Multiple landowners in the project footprint • Loss of tillable acres • Conveying expected results
- 7. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 1: Landowner Consensus Solutions • Find a champion landowner • Utilize less productive acres • Conveying expected results with models and pictures
- 8. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 1: Landowner Consensus - Models
- 9. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 1: Landowner Consensus - Pictures Photo Courtesy of Vern Fish Black Hawk County SWCD Photo Courtesy of Vern Fish Black Hawk County SWCD
- 10. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 2: Funding Restrictions + Bureaucracy Challenges Placement • Floodplains • Drainage Districts Incorporating Water Quality Timelines • Permitting • Wetland determinations
- 11. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 2: Funding Restrictions + Bureaucracy Solutions Placement • Manage material • District support letters
- 12. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 2: Funding Restrictions + Bureaucracy Solutions • Combining water quality with infrastructure improvements
- 13. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 2: Funding Restrictions + Bureaucracy Solutions Timelines • Batch projects • In-house wetland determinations
- 14. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 3: Technical Site Conditions Challenges • Diverse pothole landscape • Ditch bank topography • Flat tile and deep ditches
- 15. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 3: Technical Site Conditions Solutions • Varying practice styles Photo Courtesy of Vern Fish Black Hawk County SWCD Photo Courtesy of Vern Fish Black Hawk County SWCD
- 16. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 3: Technical Site Conditions Solutions • Varying practice styles
- 17. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 3: Technical Site Conditions Solutions • Treat what you can • Set standard minimums • 1% tile grade • Watersheds size
- 18. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 4: Cost Benefit Problems • Water quality projects may not provide production benefit • Local code may require production benefit for drainage improvement • One-off projects are inefficient
- 19. Architecture + Engineering + Environmental + Planning | ISGInc.com Topic 4: Cost Benefit Solutions • Alternative markets • Incorporating multiple benefits with independent funding • Batch and build projects
- 20. Architecture + Engineering + Environmental + Planning | ISGInc.com Bethany Brittenham, Water Resources Engineer 515.243.9143 | Bethany.Brittenham@ISGInc.com THANK YOU!
Editor's Notes
- Love this front slide- beautiful
- X:\Water Resources\Presentations\Agriculture\2022 Internation Drainage Symposium- DSM
- Multiple landowners in the project footprint Finding a champion landowner Listening with empathy and providing alternatives Loss of productive acres Position wetland in acres that flood out- opportunity sites by aging infrastructure Update systems modified to accommodate practice for modern drainage Conveying expected results Educating landowners Modeling to show outcomes Showcasing an early adopter site Marking the proposed easement area prior to confirming
- Multiple landowners in the project footprint Finding a champion landowner Listening with empathy and providing alternatives Loss of productive acres Position wetland in acres that flood out- opportunity sites by aging infrastructure Update systems modified to accommodate practice for modern drainage Includes positioning in floodplains
- Crop damage after 48 hours Show the differences in ponding timeline Conveying expected results Educating landowners Modeling to show outcomes Showcasing an early adopter site Marking the proposed easement area prior to confirming
- Field day interaction Tell success stories Conveying expected results Educating landowners Modeling to show outcomes Showcasing an early adopter site Marking the proposed easement area prior to confirming
- Floodplain wetland + positioning Support letters- code is written that if you’re in the watershed, you can drain into the system; no allowance/notes for water quality. At this site, we’ll have
- Address diverse landscape with diverse solutions: Tile Zone Excavated Floodplain Breakpoint (can be turned into pumped wetlands)
- Iowa State and ARS research shows as long as the buffer is in the bank, it’ll get nutrient removal
- 18-22021- Fairmont Chain of Lakes storage treatment wetland. Fairmont Chain of Lakes is the drinking water source for a town on ~10,000. A wetland was installed and a 2-stage ditch that will reduce N and P. Used a Clean Water Fund (CWF) grant for it from the Board of Water and Soil Resources (BWSR).