The drinking water network of Aigües del Ter-Llobregat (ATLL) has applied a
methodology to obtain a reliable data. The methodology is based on a first
phase to validate the data with six levels and a second phase that they analysis
and reconstruct the non-validate data.
Quevedo, J. [et al.]. Methodology of a data validation and reconstructions tool to improve the realiability of the water network supervision. A: Water Loss. "Water Loss". Sao Paulo: 2010, p. 1-7.