EDR Vs ​RO for Water Treatment

What is the ​best water ​treatment ​method for ​water with the ​following given  ​specifications ​to use water ​for Drinking ​and Cooling ​purposes?  ​ We get our ​water from two ​brackish water ​surface wells.​  ​ Water from ​well 1 will be ​used for ​drinking and ​ Water from ​well 2 for ​plant cooling ​purposes (​closed cooling ​loop). ​ Which method ​will give ​better results -​ Electrodialysis ​Reversal or ​Reverse Osmosis ​and why? ​ Water Specification Well 1 - For Drinking water  Well 2 - Plant cooling pH 7.35 7.42 conductivity ​ [µS/​c] 5290 5057 Salinity (as ​NaCl)  [mg/​L] 2138 1981 Chlorides (Cl ​-)  [mg/L] ​ 1453 1200 Sodium (Na+)  [mg/L] 685 781 Total Hardness  [F.D.] 19 15 Calcium (Ca2+)  [mg/L] 40 30 Magnesium (​Mg2+)  [mg/​L] 21 18 B.O.D  [mg/L] 60 60 Carbonates (​CO3-2)  [​mg/L] ​ Traces Traces Bicarbonates (​HCO3)  [mg/​L] 159 146 Suphates (SO4-​2)  [mg/L] ​ 940 840 Nitrites (NO3-​)  [mg/L] ​ 1.6 2.2 Nitrites (NO2-​)  [mg/L] ​ 0.021 0.035 Silicate (​SiO2)  [mg/​L] 17 15 Ammonia (NH3)  [mg/L] 0.64 1 T.SUSP Solids  [mg/L] 6 2 T. Dissolved ​Solids (T.D.S) ​ [mg/L] ​ 3386 3236 Turbidity  [FTU] 0.004 0.01 Dissolved (​Fe2+)  [mg/​L] 0.08 0.45 Chemicals  [ppm] 0.5 0.35