Arizona Administrative Code
Title 12 - NATURAL RESOURCES
Chapter 15 - DEPARTMENT OF WATER RESOURCES
Article 12 - DAM SAFETY PROCEDURES
Table 4 - Inflow Design Flood
Universal Citation: AZ Admin Code 4
Current through Register Vol. 30, No. 38, September 20, 2024
| Dam Hazard Class | Dam Size Classification | IDF Magnitude |
| Very Low | All Sizes | 100-year |
| Low | All Sizes | 0.25 PMF |
| Significant | Small Intermediate Large | 0.25 PMF 0.5 PMF 0.5 PMF |
| High* | All Sizes | * |
* For a high hazard potential dam, the applicant shall design the dam to withstand an inflow design flood that varies from .5 PMF to the full PMF, with size increasing based on persons at risk and potential for downstream damage. The applicant shall consider foreseeable future conditions.
Disclaimer: These regulations may not be the most recent version. Arizona may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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