Assuming the capitalist hegemony doesn’t co-op or crush either, there’s something to be said about state management of sewers and drinking water.
Private wells and septic systems can go a long ways but once population density reaches the size of an apartment complex or an industrial process needs treatment, you’re going to want some form of governance over those systems.











Sure, you don’t need them for such things to exist and operate. But until a stateless system is able to supplant this infrastructure, I think it makes sense to have a governing body to recognize how many parts per million of chlorine is okay after dosing the well or the amount of fecal coliform that’s acceptable to be released into the local waterway.