| AALL | Average Annual Life Loss |
| AEP | Annual Exceedance Probability |
| ANCOLD | Australian National Committee on Large Dams |
| API | Annual Probability of Inundation |
| ASR | Adaptive Simpson’s Rule |
| CCA | Common Cause Adjustment |
| CHL | Coastal and Hydraulics Laboratory |
| CI | Confidence Interval |
| CPD | Computer Program Document |
| CPU | Central Processing Unit |
| DAG | Directed Acyclic Graph |
| EAD | Expected Annual Damage |
| ECB | Engineering and Construction Bulletin |
| EM | Engineer Manual |
| ER | Engineer Regulation |
| EqAC | Equivalent Annual Consequences |
| ERDC | Engineer Research and Development Center |
| ERL | Effective Record Length |
| FWOP | Future Without Project |
| HEC | Hydrologic Engineering Center |
| HEC-FDA | Flood Damage Reduction Analysis Software |
| HEC-RAS | River Analysis System Software |
| HEC-SSP | Statistical Software Package Software |
| LEC | Loss Exceedance Curve |
| NED | National Economic Development |
| NFIP | National Flood Insurance Program |
| OT | Overtopping |
| PFM | Potential Failure Mode |
| PRNG | Pseudo Random Number Generator |
| RMC | Risk Management Center |
| RMC-BestFit | Bayesian Estimation and Fitting Software |
| RMC-RFA | Reservoir Frequency Analysis Software |
| SRP | System Response Probability |
| TD | Technical Document |
| TR | Technical Report |
| TRL | Tolerable Risk Limit |
| U.S. | United States |
| USACE | U.S. Army Corps of Engineers |
| USBR | U.S. Bureau of Reclamation |
| WSE | Water Surface Elevation |
