| Competency_Id | Title | Definition |
| 406 | Hydraulic Engineering | Knowledge of the concepts, principles, theories, and methods applicable to analysis of the flow of fluids (open channel and pressure flow), estimation of river stages, and design of hydraulic structures, drainage structures, pipes, navigation facilities, reservoirs, locks, and dams. |
| 1806 | Water Supply - Hydrologic | Knowledge of the concepts, principles, theories, and methods used in water supply forecasting, water supply reallocation studies, reservoir yeild analysis, water budget accounting, drought planning and reservior monitoring. |
| 1807 | Water Quality | Knowledge of the concepts, principles, theories, and methods of monitoring, modeling, assessing and managing the physical, chemical, and biological properties of water as they apply to stream, wetland, river, lake, reservoir, estuarine and coastal systems. Areas of application include: watershed management, ecosystem restoration, adaptive management, environmental protection, stream and river restoration, stormwater and agricultural runoff, groundwater, water supply, drought management, climate change, salinity, thermal issues, contaminated sediments, harmful algal blooms, total dissolved gas, TMDLs, water quality standards, use attainability, threatened and endangered species, environmental flows, toxins, reservoir re-operation, applied research, stakeholder, inter-agency and NGO coordination, and data management. |
| 1819 | Statistics and Risks - hydrologic | Knowledge of the concepts, principles, theories, and methods as they apply to drought frequency analysis, flooding frequency analysis, flow duration, frequency of extreme events, risk analysis, stochastic hydrology, uncertainty in hydrologic forecasts and uncertainty in hydrologic relationships and models. |
| 1882 | Levees / Floodwalls - Hydrologic | Knowledge of the concepts, principles, theories, and methods used in developing hydraulic models for standard step backwater computation of flood frequency water surface profiles, hydrologic analysis for determination of flood frequency, and risk and reliability analyses as related to flood damage reduction. |
| 1884 | Interior Flood Control - Hydrologic | Knowledge of the concepts, principles, theories, and methods used in developing hydrologic models for computation of inflow hydrographs, flood hydrograph routing, determination of interior reservoir storage capacity, computation of closed conduit discharge ratings for gravity outlets, Flood Zone and inundation delineation, statistical and Flood Frequency Analyses, Pump Station capacity analyses. |
| 1905 | Geospatial - hydrologic | Knowledge of the concepts, principles, theories, skills and methods required to produce bathymetry, DFIRM mapping and support of NFIP and FEMA, digital terrain analysis, GIS to support of hydraulics, coastal and hydrology models, innundation mapping, genereal mapping, remote sensing technologies and analysis, watershed delineation, GIS tools, databases and enterprises. |
| 1920 | Emergency Management & Closures - Hydrologic | Knowledge of the concepts, principles, theories, and methods used in developing hydrologic models for computation of inflow hydrographs, flood hydrograph routing, developing hydraulic models for standard step backwater computation of flood frequency water surface profiles, hydrologic analysis for determination of flood frequency, risk and reliability analyses as related to flood damage reduction, and oral and written communication for conveyance and reporting of results, and preparation of operations and maintenance manuals. |
| 1946 | Dam Safety - hydrologic | Knowledge of the concepts, principles, theories, and methods with respect to the dam safety mission of the Corps supporting dam safety studies, breach or dam failure analysis, dam failure floodwave modeling, hydrology, risk analysis, inflow design floods, Probable Maximum Flood determinations, consequence determination, flood inundation mapping, loss of life estimates, support of dam inspections, water control manual/operational evaluation, Dam Safety Action classification and develpment of interim reservoir reduction measures . |
| 2002 | CAD Applications - Hydrologic | Knowledge of the concepts, principles, theories, and methods used in CADD Applications to obtain geometric input data for hydrologic and hydraulic analyses and design, including distances, lengths, elevations, elevation differences, slopes, stream cross sections, stream profiles, and reservoir flood storage capacity. CADD Applications may also used to display hydrologic and hydraulic analyses and design results, including flood zone delineation, flood inundation, floodway location and width, and the effects and impacts of dam breach. |
| 2029 | Hydraulic Engineering | Knowledge of the concepts, principles, theories, and methods applicable to analysis of the flow of fluids (open channel and pressure flow), estimation of river stages, and design of hydraulic structures, drainage structures, pipes, navigation facilities, reservoirs, locks, and dams. |
| 2185 | Riverine Erosion and Sediment Transport Modeling | Knowledge of the concepts, principles, theories, and methods used in developing one, two and three Sediment Transport Models, bed and bank erosion analysis, debris production/yeild and flow and debris/sedimentation basin design, slope protection and erosion control anlysis, erosion control structures design, freeze thaw induced bank failure analysis, land surface erosion modeling, mobile boundary hydraulics modeling and sediment retention studies. |