We have a simple clause in every lease that says that either party can terminate the lease by giving written notice of termination, without stating a reason, at least 60 days before the lease term ends.
This then can legally be appicable to the hoarders, poor housekeepers, beligerant residents and/or their guests, or for almost any uncorrected or repeat violations.
Documentaion (day, date, time, other residents written complaints etc) and pictures are essential tools