Over the course of several years, the Global Water Information Interest Group (GWIIG) of the Research Data Alliance focused on topics related to organization, representation, publication, sharing, discovery, re-use and integration of hydrologic information of different types.  One of the outcomes of the GWIIG was the creation of a list of web portals and/or websites with data or links to data on water resources.  The portals generally provide data that are at a minimum national in scope, and many of the portals offer global data.

The GWIIG requested that CUAHSI host this list to ensure permanence and wider distribution to the community. 

Users can scroll through the list of portals below, or use the browse and search tools above.

The list is by no means comprehensive. Feedback or information regarding additional portals can be sent to help@cuahsi.org


Africa Water Sector and Sanitation Monitoring and Reporting

Site Owner:
African Minister's Council on Water (AMCOW) & African Union
Geographical Scope:
Africa

A monitoring and reporting framework designed to provide a response to and follow-up on the political commitments made concerning water and sanitation at the continental level. Indicator reporting, version 8.0.1 

Aquastat

Site Owner:
Food and Agriculture Organization of the United Nations (FAO)
Geographical Scope:
global

FAO’s global water information system, developed by the Land and Water Division 

Centre for Ecology & Hydrology: Data (CEH)

Site Owner:
Research Centre of the Natural Environment Research Council (NERC)
Geographical Scope:
UK

Long-term, national-scale data including rainfall, drought, and lakes, provided by the Centre for Ecology and Hydrology (UK) including external data resources hosted by CEH

CUAHSI Data Services (CUAHSI)

Site Owner:
Consortium of Universities for the Advancement of Hydrological Science, Inc.
Geographical Scope:
USA

The CUAHSI Data services provide access to data published by individual researchers, citizen science groups and federal data providers through HIS (Hydrologic Information system  and Hydroshare. Please access data through our portals http://data.cuahsi.org and http://www.hydroshare.org

eartH2Observe Water Cycle Integrator (WCI)

Site Owner:
Plymouth Marine Laboratory (PML)
Geographical Scope:
global

The WCI portal takes data that you select and plots it on a map to help you analyse, export and share it.

Eurostat Water statistics

Site Owner:
European Commission
Geographical Scope:
Europe

Article on water statistics in the European Union based on data on freshwater resources, water abstraction, water use and wastewater treatment and disposal. Links to the main tables and the database on water. 

Freshwater Information Platform

Site Owner:
BOKU Vienna, UDE Essen, IGB Berlin & RBINS Brussels
Geographical Scope:
Europe, partly global

A platform offering links to data, maps, tools and other resources relating to freshwater resources and their biodiversity.

GEMStat

Site Owner:
International Centre for Water Resources and Global Change (ICWRGC)
Geographical Scope:
global

GEMStat provides water quality data of ground and surface waters within the scope of the GEMS/Water Programme. 

Global Earth Observation System of Systems portal (GEOSS portal)

Site Owner:
European Space Agency (ESA)
Geographical Scope:
global

Entry point for earth observation data implemented and operated by the European Space Agency.  (Note that most data are not water-related.)

Global Environmental Monitoring System – Water (GEMS Water)

Site Owner:
United Nations Environment (UN Environment)
Geographical Scope:
global

GEMS/Water works to: ensure water quality data flows from a world-wide network, maintain the global water quality database (GEMStat), and enable countries to deliver authoritative data through capacity development.

Global Flood Detection System (GFDS)

Site Owner:
Global Disaster Alert and Coordination System (GDACS)
Geographical Scope:
global

An experimental system to detect and map in near-real time major river floods based on daily passive microwave satellite observations. 

Global Groundwater Information System (GGIS)

Site Owner:
International Groundwater Resources Assessment Centre (IGRAC)
Geographical Scope:
global

GGIS is an interactive, web-based portal to groundwater-related information and knowledge.

Global Mercury Observation System (GMOS)

Site Owner:
National Research Council of Italy (CNR), Institute of Atmospheric Pollution Research
Geographical Scope:
global

The GMOS Spatial Data Infrastructure (SDI) was developed in order to assure a timely and up-to-date sharing of information on mercury in the environment, including humans. (Note that most data are not water-related.)

Global Rivers Observatory

Geographical Scope:
global

The Global Rivers Observatory (led by the Woods Hole Research Center and the Woods Hole Oceanographic Institution) investigates river chemistry in Earth’s most significant river systems. It is active in 18 watersheds around the world and measures the chemical composition of rivers near their entry points to the ocean.

Global Runoff Data Centre (GRDC)

Site Owner:
Bundesamt für Gewässerkunde
Geographical Scope:
global

The Global Runoff Database at GRDC is a unique collection of river discharge data collected at daily or monthly intervals from more than 9,300 stations in 160 countries.