Trinity River Corridor Development Certificate
The Trinity River Corridor Development Certificate website is temporarily down for maintenance. We apologize for any inconvenience. Access to the Qntrl website and the NFIP-CDC Consolidated Model can be found below. Please contact us using the form below with any questions or concerns.
NFIP-CDC Consolidated Model Download (updated 8/20/24)
East Fork & Main Stem Trinity River Model (updated 5/28/24)
CDC East Fork Extension (approved 2/21/25)
DISCLAIMER: The East Fork & Main Stem River model was updated as of 5/28/24. This model is NOT a regulatory/effective model and as such is subject to change without notice. The end user bears the responsibility for ensuring use of the most appropriate and current model. The FEMA Effective model with tie-ins will need to be submitted in conjunction with this updated model. The East Fork and mainstem extensions of the Trinity River model DO NOT include future 2055 flows.