Region 9 Upper Colorado Flood Planning Region
The 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 Natural Resources Information System (TNRIS) Flood Planning Regions Map Collection.
Population Estimate (2019): 629,788
Approximate Area: 21,254 square miles
Approximate Stream Miles: 8,044
Approximate NFIP Claims (1975-2019): $5,860,005
*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.