Article R1321-23 of the French Public Health Code
Without prejudice to the programme of water quality analyses provided for in articles R. 1321-15, R. 1321-15-1 and R. 1321-16 and the additional analyses provided for in articles R. 1321-17 and R. 1321-18, the person responsible for producing or distributing water is required to implement ongoing monitoring in order to guarantee the quality of water intended for human consumption. This monitoring includes in particular: 1° Regular verification of the measures…