Region 9 Upper Colorado Flood Planning Region

Region 9The upper reaches of the Colorado River and its tributaries flow from the High Plains ecoregion near the Texas-New Mexico border towards the Edwards Plateau. The Upper Colorado and Concho Rivers merge at O.H. Ivie Reservoir, which marks the border between the Upper Colorado (Region 9) and Lower Colorado-Lavaca (Region 10) Flood Planning Regions. There are 15 major lakes and reservoirs in this region.

For a detailed map of Region 9, please visit the Texas Geographic Information Office (TxGIO) Flood Planning Regions Map Collection.

Go to Region 9 Upper Colorado RFPG External Host Website

Population Estimate (2019): 629,788

Approximate Area: 21,254 square miles

Approximate Stream Miles: 8,044

Approximate NFIP Claims (1975-2019): $5,860,005

Counties Represented:

*indicates this county is partially within this RFPG and is also represented by at least one other RFPG

Major Cities (Population greater than 25,000):

Major Lakes & Reservoirs:

Ecoregions of Texas Represented:

Regional Flood Planning Group Meeting Minutes & Updates

Please see the RFPG Meeting Schedule webpage for information on the past and upcoming meetings.


Planning Group Chair:Allison Strube, (325) 657-4209

Sponsor Contact: City of San Angelo, Shane Kelton, (325)-657-4209

TWDB Contact: Flood Planning Department, (512) 463-1235