| 集水井 | Catch Well |
| 毛細管水 | Capillary Water |
| 毛細管水壓力 | Capillary Pressure |
| 抽水機特性曲線 | Characteristic Curve of Pump |
| 地下水逕流係數 | Coefficient of Groundwater Discharge |
| 洩降錐 | Cone of Depression |
| 受壓含水層 | Confined Aquifer |
| 受壓含水地層、拘限地層 | Confining Stratum |
| 拘限地下水 | Confined Groundwater |
| 地表水與地下水聯合運用 | Conjunctive Use of Surface water and Groundwater |
| 岩心鑽深 | Core Drilling |
| 對流擴散 | Convection |
| 達西定律 | Darcy's Law |
| 深井處置 | Deep-Well Disposal |
| 深井注入 | Deep-Well Injection |
| 擴散波模式 | Diffusion Wave Model |
| 擴散率（性） | Diffusivity ( of an aquifer ) |
| 延散 | Dispersion |
| 延散度 | Dispersivity |
| 溝洫法 | Ditch Or Furrow Method |