Manuals, Forms and Maps

Drainage Policy 

Effective January 1, 2020 all new development projects submitted for new application after the effective date are required to adhere to Atlas 14 rainfall data. On December 4, 2020, City Council approved amendments to Chapter 3 Design Rainfall in the Drainage and Erosion Control Design Manual to include new design rainfall information for all new development projects.

The Engineering Division has presented proposed changes to the City’s drainage policies including updates to the City of New Braunfels Drainage and Erosion Control Design Manual and Chapter 58 of the New Braunfels Code of Ordinances. Below is a copy of the presentation explaining the changes along with links to the documents themselves, the proposed changes are color coded for identification. 

The changes are currently open for stakeholder and community comment. Any comments can be submitted to, comments will be accepted through January 2021. 




Archive Documents