Cleanliness is easiest to manage when teams look at the few signals that predict service quality, complaint risk, and response effectiveness. Those signals are most useful when they are tied to wards, routes, and service windows rather than viewed in aggregate only.
Beyond vanity metrics
A useful KPI is one that changes behavior. If a metric cannot help a supervisor decide where to send a crew or what to inspect next, it is probably too abstract.
Combining signals for clarity
Cleanliness performance becomes clearer when teams combine observation quality, complaint patterns, and hotspot recurrence instead of relying on one isolated number.
How the right KPI changes behavior
The right KPI changes behavior because it gives supervisors something concrete to act on. That could mean adjusting collection timing, sending a verification team, or revisiting a ward where complaints keep rising.