Haarlem rat traps kill 20 to 60 rats a day: 'Yet nuisance reports are rising'

Smart traps in Haarlem's sewers are killing between 20 and 60 rats daily, yet the municipality expects 2026 to be a record year for pest reports. To address the persistent issue, Alderman Berkhout is introducing a new protocol for extreme nuisance to manage the growing rat population.



