FLOOD10167

• Designation Number: 299
• County: Costilla
• Community: Unincorporated Costilla County
• Basin: Rio Grande
• Title: Floodplain Information Report - for the Rio Grande, Trinchera Creek, Culebra Creek, Colstilla Creek, and Selected Tributaries in Costilla County
• Date: 3/1/1989
• Designation Date: 11/1/1989
• 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-1 ....... ............... 21
5. Stream Gages Analyzed by the SCS ... ....... .... ..... 22
6. Major 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