FLOOD06420

• County: Costilla
• Stream Name: Rio Grande, Trinchera, Culebra, Costilla Creeks
• Basin: Rio Grande
• Title: Floodplain Information Report
• Date: 3/1/1989
• Prepared For: Costilla County
• Prepared By: CWCB
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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- Tables -

Paqe

1. Stream Reaches ..................................... 8
2. Drainage Areas ..................................... 16
3. Historic Peak Flows ................................ 19
4. Stream Gages Analyzed in TM-l ...................... 21
5. Stream Gages Analyzed by the SCS ................... 22

6. Ma j or Reservoirs ................................... 24
7. Summary of Hydrology ............................... 29
8. Depths of Flooding ................................. 33

- Figures -

Paqe

1. Location of Costilla County in Colorado ............ 5
2 Location of Costilla County in Rio Grande Basin..... 6
3. Major Drainage Basins Within Costilla County....... 15
4. Map of Major Reservoirs ............................ 25
5. Hydrologic Determinations .......................... 28

- Plates -

Number

Index of Flooded Area Maps ............................. 1

Flooded Area Maps ...................................... 2-22