Data Organization and Gaps Summary Tijuana River Valley Needs and Opportunities Assessment January 2, 2019 Data Organization and Gaps Summary Tijuana River Valley Needs and Opportunities Assessment Contents 1 Introduction .......................................................................................................................................... 1 2 Creation of the Spreadsheet ............................................................................................................... 1 2.1 Collecting and Filing Data ......................................................................................................... 1 2.2 Recording Data ......................................................................................................................... 1 2.3 Identifying Relevant Projects ..................................................................................................... 2 3 Data Collection Summary .................................................................................................................... 2 3.1 Data Summary .......................................................................................................................... 2 3.1.1 Sewage ........................................................................................................................ 3 3.1.2 Trash ............................................................................................................................ 3 3.1.3 Sediment ...................................................................................................................... 3 3.1.4 Flood ............................................................................................................................ 4 3.2 Tools/Models Summary ............................................................................................................. 4 3.2.1 Sewage/Water Quality.................................................................................................. 4 3.2.2 Trash ............................................................................................................................ 5 3.2.3 Sediment ...................................................................................................................... 5 3.2.4 Flood ............................................................................................................................ 5 4 Projects Review ................................................................................................................................... 6 4.1 Tijuana River ............................................................................................................................. 6 4.1.1 Existing Projects ........................................................................................................... 6 4.1.2 Summary of Effectiveness of Existing Projects ............................................................ 7 4.1.3 Proposed Projects ........................................................................................................ 8 4.2 Smuggler’s Gulch .................................................................................................................... 10 4.2.1 Existing Projects ......................................................................................................... 10 4.2.2 Summary of Effectiveness of Existing Projects .......................................................... 10 4.2.3 Proposed Projects ...................................................................................................... 10 4.3 Goat Canyon ........................................................................................................................... 11 4.3.1 Existing Projects ......................................................................................................... 11 4.3.2 Summary of Effectiveness of Existing Projects .......................................................... 12 4.3.3 Proposed Projects ...................................................................................................... 12 4.4 Yogurt Canyon ........................................................................................................................ 13 4.4.1 Existing Projects ......................................................................................................... 13 4.4.2 Summary of Effectiveness of Existing Projects .......................................................... 13 4.4.3 Proposed Projects ...................................................................................................... 13 4.5 Other Project Areas Summary ................................................................................................ 14 4.5.1 Cañon Del Sol ............................................................................................................ 14 4.5.2 Silva Drain .................................................................................................................. 14 4.5.3 Stewart’s Drain ........................................................................................................... 15 5 Ranking ............................................................................................................................................. 16 5.1 Data Ranking ........................................................................................................................... 16 5.2 Tools/Models Ranking ............................................................................................................. 16 5.3 Projects Ranking ..................................................................................................................... 17 5.4 Ranking Summary ................................................................................................................... 17 5.4.1 Tijuana River .............................................................................................................. 18 5.4.2 Smuggler’s Gulch ....................................................................................................... 18 5.4.3 Goat Canyon .............................................................................................................. 18 January 2, 2019 | i Data Organization and Gaps Summary Tijuana River Valley Needs and Opportunities Assessment 5.4.4 Yogurt Canyon ........................................................................................................... 18 5.4.5 Other Watersheds ...................................................................................................... 19 6 Needs and Opportunities Approach .................................................................................................. 19 6.1 Coordination ............................................................................................................................ 21 6.2 Technical Resources ............................................................................................................... 22 6.3 Alternatives Analysis ............................................................................................................... 22 Tables Table 1. Existing Projects for the Tijuana River ............................................................................................ 7 Table 2. Proposed Projects for Tijuana River ............................................................................................... 9 Table 3. Existing Projects for Smuggler's Gulch ......................................................................................... 10 Table 4. Proposed Projects for Smuggler's Gulch ...................................................................................... 11 Table 5. Existing Projects for Goat Canyon ................................................................................................ 12 Table 6. Proposed Projects for Goat Canyon ............................................................................................. 12 Table 7. Existing Projects for Yogurt Canyon ............................................................................................. 13 Table 8. Proposed Projects for Yogurt Canyon .......................................................................................... 13 Table 9. Existing Projects for Cañon Del Sol .............................................................................................. 14 Table 10. Existing Projects for Silva Drain .................................................................................................. 15 Table 11. Existing Projects for Stewart's Drain ........................................................................................... 15 Table 12. Proposed Projects for Stewart's Drain ........................................................................................ 15 Table 13. Data Rating Scale ....................................................................................................................... 16 Table 14. Data Ranking Results ................................................................................................................. 16 Table 15. Tools/Models Rating Scale ......................................................................................................... 16 Table 16. Tools/Models Ranking Results ................................................................................................... 17 Table 17. Projects Rating Scale .................................................................................................................