Quantitative variations in heterotrophic plate count and in the presence of indicator microorganisms in bottled mineral water

► Variations in heterotrophic plate count were found in some brands of mineral water. ► The presence of the enterococci and Pseudomonas aeruginosa were in disagreement with the current legislation. ► Seventy-two bottles (22%) presented heterotrophic plate count above 500 CFU/mL.