Is it possible that any Water Treatment Plant Operator or Scientist can share some historical data (a few years)?
Specially daily data of: raw water quality parameters, treated water quality parameters, Alumine dose, Chlorine dose, Ozone dose,....) from any Water Treatment Plant in USA, Western Europe, or another region.
Water treatment plant those using specially using Ozonation in pretreatment, PAC, and GAC in water treatment process.
Among the best and most regular records I know about, there are the ones kept by the Public Company for Water Supply and Wastewater Treatment of the Town of Palermo (Italy).
Indeed, fulfilling fully and perfectly your request is likely to be a hard work. You could perhaps contain - or better delineate - your actual needs, and then try to write to Mr Angelo SIRAGUSA, MSc, Azienda Municipale Acquedotto di Palermo (Italy).
Thank You for your contribution, the good news is that I met Mr. Angelo SIRAGUSA at Essen in Germany on June, 2014 in IWA conference at the celibration 100 years of activated sludge.