Case studies

In France, the purpose of the Water Information System (WIS) is the collection, conservation and dissemination of data and indicators on water, aquatic environments, their uses and public services on water distribution and sanitation. It comes under the National Scheme of Water Data (SNDE).
The SNDE is supplemented by technical documents, some of which are produced by SANDRE, and must be respected by all WIS contributors in accordance with Decree No. 2009- 1543 of 11 December 2009.
The State establishes the elements of the data repository that must be used for the purposes of application of the regulations, and the conditions of their use.

The WIS comprises:

• Reference data;
• Data produced by observation and other environmental devices (surveys, declarations, reports, administrative acts, etc.);
• Elaborated data.