Water and sewage

I want to know the burial status of public sewer pipes
I'd like to know about pumping up septic tanks and temporary toilets.
Is there a reduction/exemption (reduction) system for sewerage charges?
The sewer pipe is clogged.
I have a problem with sewage smell.
I would like to know about the sewer usage fee.
I would like to know about the maintenance situation of the sewer system.
When building a new house, there is a sewer pipe on the road, so I would like to connect it.
I'm thinking of building a house, but I don't have a sewage pipe (a lead-in pipe to the residential land). Regarding the construction cost of the attachment pipe, will it be a public expense or an individual expense?
I would like to construct a sewer pipe on a public road.
I'm having trouble with the noise from the sewer construction.
A contractor came to let me clean the sewer pipe.

English