Urban waterUrban water supply in Europe is highly vulnerable to weather extremes and the long-term evolution of their occurrence. Weather extremes affect freshwater quality and quantity, challenging treatment capacity, safety of drinking water and reliability of supply.

To manage the risks raised by these hazards, drinking water suppliers are responsible for preparing and implementing water safety plans (WSPs), consisting of a system assessment, operational monitoring and the definition of risk management plans.

While climatological and hydrological outlooks could bring significant improvement in the implementation and definition of the WSPs, this is not a common practice in most of the European drinking water utilities.

In this sectoral survey, we addressed current limitations to improve risk management for drinking water supply at various timescales.

The new developments were assessed in-depth in two Mediterranean catchments with vulnerable water resources of strategic importance (Segura and Llobregat River Basins, Spain). The application was carried out in close collaboration with stakeholders to optimise the relevance and uptake of the outcomes and recommendations in practice.

Partners: Cetaqua, UPV


Impact in Segura and Llobregat basins

Urban water supply in Europe is vulnerable to weather extremes and their evolutions in the long term. This report describes water quality forecasts obtained in the project case studies:

  • Segura Basin
  • Llobregat Basin and
  • other sites situated in Spain.

The water quality forecasts developed in the project will improve the actions included in the Drinking Water Treatment Plants (DWTPs) and Water Safety Plans (WSPs), thus leading to a safer and more resilient supply of drinking water.

Read the full report on fresh water forecasting in the urban water system and the case study on impact in Segura and Llobregat basins.