The introduction of PAYT schemes has raised concerns about potential increases in illegal dumping, as some citizens seek to circumvent the cost of disposing of their waste. [69] However, most communities that have introduced PAYT schemes have not experienced large and sustained increases in illegal dumping.
On craignait que l'introduction de régimes PAY ne cause une recrudescence des dépôts clandestins, certains citoyens tentant d'éviter de supporter le coût de l'élimination de leurs déchets [69]. La plupart des communes concernées n'ont cependant pas enregistré d'augmentation importante et durable des dépôts clandestins.