Variables: dissolved_oygen electric_conductivity concentration Keywords: MetFrag micropollutants land use Substances: Acetazolamide (BZKPWHYZMXOIDC-UHFFFAOYSA-N) 1-[(4-Chlorophenyl)phenylmethyl]piperazine (UZKBSZSTDQSMDR UHFFFAOYSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N)