ISO 24523:2017 pdf download – Service activities relating to drinking water supply systems and wastewater systems — Guidelines for benchmarking of water utilities. 3.16 process set of interrelated or interacting activities that use inputs to deliver an intended result Note 1 to entry: In benchmarking (3.3), organizational and technical processes and combinations of both of them are considered. A process within the meaning of benchmarking comprises a combination of one task with one plant/one object (e.g. operate sewer network, treat wastewater, treat water, provide domestic connection, further train staff, purchase material). 3.17 reference parameter data variable (3.8) used in the...