| ANBO | African Network of Basin Organisations | In English | → 341224 → Hydrology → Engineering, technology |
| ARA | Asociaţia Română a Apei | In Romanian | → Associations → Hydrology |
| AWIS | African Water Information (and Documentation) System = SADIEau | Système Africain de Documentation et d'Information sur l'Eau | In French |
In English | → Knowledge management → Hydrology → Environmental technology, water supply, waste management |
| CFBR | Comité Français des Barrages et Réservoirs | In French | → Civil engineering |
| CFGB | Comité Français des Grands Barrages | In French | → Civil engineering |
| EMWIS | Euro-Mediterranean Water Information System | In English | → Hydrology → 627 → Environmental technology, water supply, waste management |
| ENSH | École Nationale Supérieure de l'Hydraulique | In French | → Specialized or (poly)technical colleges → 627 |
| EUWI | European Water Initiative | In English | → Hydrology → Environmental technology, water supply, waste management |
| FNDAE | Fonds National pour le Développement des Adductions d'Eau | In French | |
| INBO | International Network of Basin Organizations | In English | → 341224 → Hydrology → Engineering, technology |
| INTBO | International Network of Transboundary Basin Organizations | In English | → 341224 → Hydrology → Engineering, technology |
| IRBD | International River Basin District | In English | → 341224 → 627 |
| IWRM | Integrated Water and Resources Management | In English | → 627 |
| IWRM | Integrated Water (and) Resources Management | In English | → Hydrology → 627 → Environmental technology, water supply, waste management |
| MENBO | Mediterranean Network of Basin Organisations | In English | → 627 |
| OKTVF | Országos Környezetvédelmi, Természetvédelmi és Vízügyi Főigazgatóság | In Hungarian | → 627 |
| RZGW | Regionalny Zarząd Gospodarki Wodnej | In Polish | → 627 |
| SADIEau | Système Africain de Documentation et d'Information sur l'Eau | In French | → Knowledge management → 627 |
| SADIEau | Système Africain de Documentation et d'Information sur l'Eau = AWIS (look above) |
In French | → Knowledge management → Hydrology → Environmental technology, water supply, waste management |
| SAGE | Schéma d'Aménagement et de Gestion des Eaux | In French | → Hydrology → 627 |
| UNPG | Union Nationale de Producteurs de Granulats (www.unpg.fr) | In French | → Organizations and associations → Building |
| WFD | Water Framework Directive | In English | → Environmental technology, water supply, waste management |
| WWF | World Water Forum | In English | → Hydrology → Environmental technology, water supply, waste management |