1. Bitter Creek Stream Restoration Preliminary Engineering Report Neighborhood Meeting

2. Project Orientation

3. Introductions Creek History Current Conditions & Proposed Solutions Question & Answer Meeting Agenda

4. Project Sponsor, Watershed Protection Department ◦ Janna Renfro (512) 974-3422 janna.renfro@austintexas.gov janna.renfro@austintexas.gov Design Engineers, CH2M Hill ◦ Heather Harris (512) 249-3327 heather.harris@ch2m.com heather.harris@ch2m.com Neighbors ◦ Name Location Introductions

5. Creek History – Before Development `

6. Creek History – 1970s `

7. Creek History – 1980s `

8. Project Study Area `

9. Project Areas (New Survey) = 311 Erosion Complaints 1 2

10. Project Area 1 Cover channel to… Discourage dumping Join stormdrains Improve safety Increase connectivity

11. Project Area 1 30’ Drainage Easement Threatened property Safety concerns Steep & eroding banks Minimal natural function Incised channel

12. Recommended Solution Raise Channel Bed (3 – 6 ft) Tiered Channel 2 ft pilot channel 4 ft floodplain bench 8 ft total depth Vegetated Banks Rock Bottom Continuous over ~600 ft Project Area 1 Existing 30’ Easement

13. Project Area 1

14. Project Areas = 311 Erosion Complaints 1 2

15. Transition 2 Recommended Solution Grade Control Structure(s) to make elevation change 1

16. Project Area 2 Wider channel Wider easements Some stable areas Isolated severe erosion spots

17. Project Area 2 Too wide Deflections Debris Trash Invasive vegetation

18. Project Area 2 Recommended Solution Clean up channel Provide defined flow path Passive restoration Improve quality of vegetation

19. Project Area 2 Recommended Solution Spot fixes for severely eroded banks

20. Project Area 2 Recommended Solution Spot fixes for side gully formations

21. Project Area 2 Recommended Solution Spot fixes for failing and eroded outfalls

22. Project Area 2 Recommended Solution Assess condition of existing projects

23. Project Areas = 311 Erosion Complaints 1 2

24. Project Area 3 Recommended Solution Evaluate improvements to enhance water quality downstream

25. Project Areas 1 2 1 2 Continuous, Engineered & Vegetated Channel Clean-up, Spot fixes, & Passive Restoration Pond Improvements for Water Quality