| iawq.org.uk | International Association on Water Quality |
| hydroweb.com | International Association for Environmental Hydrology |
| ensmp.fr | The International Association of Hydrological Sciences (IAHS) |
| awra.org | American Water Resources Association |
| aihydro.org | American Institute of Hydrology |
| norfma.org | Northwest Regional Floodplain Managers Association |
| ugent.be | Belgian Branch of the International Water Association |
| aslo.org | American Society of Limnology and Oceanography (ASLO) |
| siwi.org | Stockholm International Water Institute |
| lweaonline.org | Louisiana Water Environment Association (LWEA) |
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