1. A supply system or source that has been enhanced in quality, efficiency, or accessibility
The improved supply of water to rural areas has significantly reduced waterborne diseases.
O abastecimento melhorado de água para áreas rurais reduziu significativamente as doenças transmitidas pela água.
2. In development contexts, access to safe drinking water from improved sources such as piped water, boreholes, or protected wells
According to the UN, improved supply of clean water is essential for sustainable development.
De acordo com a ONU, o abastecimento melhorado de água limpa é essencial para o desenvolvimento sustentável.