The Effect of Water and Sewage Treatment on Reducing Residues of Selected Organochlorine Pesticides in Szczecin (Poland)

Abstract Water is principally intended for direct consumption and the production of food beverages. It also a valuable raw material in industry. Despite use multi-stage treatment processes, quality drinking water may still be concern some countries due to presence toxic pollutants, often challenging remove through conventional process. The even trace amounts organochlorine pesticides dangerous their ability accumulate human body effects, especially capacity endocrine disruption. present study aimed assess effect sewage on efficiency reducing residues selected treated sewage. was found that process reduced concentrations these compounds by an average 80% (46–100%) levels were no higher than 0.55% maximum residue limit (MRL). led reduction pesticide concentration 37–100%, averaging 85%, sums ranged between 0.02 14.97 ng/L annual terms.