pointing out where everyone lives on the map of the sewer system pipes
Small attentive people
Kids in hardhats are kind of adorable
Filters
Stinky!
Pump engine
Pump room
Input tanks
Is this sign really necessary?
Lost occlupanid! Is it yours? Don't flush that.
Moms in hardhats are kind of adorable, too
1,000,000 gallon tank
Empty 1,000,000 gallon tank. Quick, before the rains start, get these cleaned out.