Municipal public utility in charge of conveying drinking water to the consumer's tap and collecting and treating wastewater and stormwater before returning them to the natural environment. The 30,000 French public water supply and sanitation services are also in charge of the relations with the consumer: information, demand management, billing, etc. The "drinking water supply" service includes the abstraction of water from the natural environment, its potabilization and supply. The "sanitation" service includes the collection, conveyance and treatment of wastewater and the disposal or reuse of sludge…
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Volume of water consumed by users (private, industrial and other) and the public utility (for the management of the drinking water system) in relation with the volume of drinking water introduced into the supply system.
Relative significance of the cost of public water supply and sanitation services (production, conveyance and distribution of drinking water; collection, conveyance and treatment of wastewater) in the available income of consumers. This criterion is to be taken into account, e.g. when defining an overall price policy for public water supply and sanitation services.
A sanitation process including a public system for wastewater collecting and conveyance to a treatment plant.
In the technical sense, an urbanized area equipped with a community sanitation system consisting of one or several wastewater collecting systems (sewers) and one or more wastewater treatment plants, forming a coherent sewerage system. Under the meaning of the Urban Waste Water Treatment Directive, an area where the
Contract by which a corporate body under public law entrusts the management of a public utility for which it is responsible to a public or private operator, whose remuneration is substantially linked to the result of the utility operation. The delegatee may possibly be responsible for building structures or for purchasing properties necessary for the utility. The fundamental difference between a public market and a public service delegation results from the method of payment chosen. For a public market, payment is made by the public buyer. For a public service delegation, remuneration derives from the operation of the utility, done at the delegatee's own risk.
Direct management (operation) of a public utility/service by the municipality or the public inter-municipal cooperation institution which is in charge of this utility/service.
A Local public institution located overseas, similar to the water agencies in continental France, which is responsible for facilitating the various activities of common interest in the management of water and aquatic environments to help achieving the objectives of the river basin management plans (SDAGEs). There is currently a water board in the Reunion, Martinique, Guadeloupe and Guyana. Since Mayotte became a Department, there are thoughts of creating a water board.
Warning issued in advance by the departmental flood forecasting services. In the event of heavy rainfall or hydrological alert, a flood warning is sent to the Prefect, who then alerts the mayors of the catchment areas concerned.
Warning issued in advance by a special state service (flood forecasting service). In the event of a rainfall or hydrological alert (triggering when thresholds are exceeded), the flood forecasting service offers the Prefect the alert of the mayors of the watersheds concerned. As a severe overflow flood, the flood warning service broadcasts, for prefects and mayors, hydrological situation bulletins and information on the evolution of water levels . In 1994, 54 flood warning services monitored 16,000 km of waterways in France using automated measurement networks.
Group of local authorities established, at a watershed or a group of sub-watersheds scale, in order to facilitate the flood prevention, the defense against the sea, the management of water resources, and the preservation and management of wetlands. When a Sub-basin Management Plan has been set up, the Public river-basin territorial agency contributes to its monitoring and development. It ensures also the consistency of the management project of the Public water management and development agency.