Protecting water resources
Our water resources are precious, and to enable everyone to have access to good quality water, they need to be protected and used sparingly. ANSES is responsible for assessing risks related to various practices that may affect the quality of water resources, and risks associated with new practices implemented as part of sustainable development policies to better manage water use.
For users to have good quality tap water, it is necessary to have good quality water resources. The quality of water resources must therefore be maintained by protecting them. For this purpose, protected areas are defined around catchment sites, and these are called catchment protection zones. ANSES is responsible for assessing the risks associated with various practices that may affect the quality of resources, such as the underground storage of gas or the installation of systems for recovering renewable energy in catchment protection zones.
Policies in favour of sustainable development aiming to save water and energy are leading to new practices whose potential risks need to be assessed. Many examples illustrate the search for new sustainable development procedures applied to water, primarily to improve the management of consumption of water resources in order to produce tap water and confront the risk of shortages. The Agency has conducted several risk assessments on this topic including: the reuse of treated wastewater for watering or irrigation, the reuse of greywater for domestic purposes, the use of rainwater for washing laundry, the use of seawater to produce water intended for human consumption, the installation of hydroelectric turbines on pipes used for the production or distribution of water intended for human consumption, and the use of heat transfer fluids.
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