San Antonio |
Unified Development Code |
Appendix H. STORM WATER DESIGN CRITERIA MANUAL |
Chapter 7. STORM DRAIN SYSTEMS |
Appendix 7.3. Design Guidelines |
§ 7.3.1. Design Frequency
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The system must be designed for the ultimate twenty-five (25)-year storm if the cumulative drainage area within the system is less than one hundred (100) acres. If the cumulative drainage area within the system is more than one hundred (100) acres, the system should be designed for the ultimate one hundred (100)-year storm.