Water pipeline excessively long on a public street - costs?

So it's your connection that you want for your house, right? Or am I wrong? Why should that be paid for by the community? And honestly, I found the 30k almost cheap for that. We pay 3600€ for 2m. But you inform yourself about that before buying a plot, don't you, or am I wrong?

The statutes state that the costs on public land are to be borne by the water supplier. All costs on private property are borne by the builder. However, special agreements and exceptions are allowed in individual cases if they are appropriate.

I only expect that with us, it is handled like with all other properties: the public part is borne by the water supplier, the line on the private property is borne by us. What would be unfair about that?

We are building a house in the countryside in the summer on a plot set back from the street.
Our water supplier informed us after consultation that we supposedly have to pay all costs for the water connection and the water pipe ourselves. This is said to be because we need an excessively long pipe (90m) and therefore a special agreement.

We had a similar case here:

From our point of view, as builders, we are only responsible for the additional costs incurred by the installation on private property that exceed the costs of a normal property connection. As we were informed, a connection including cost coverage on another building plot would have been undisputed, even though it would also have involved a long supply line. However, the building plot could not be developed due to landscape protection concerns. We consider a blanket shifting of all costs from the supply line to be unjust, because the costs from the supply line to the property boundary would also be borne in other property connections. On what legal basis should the costs automatically be transferred in full to the builder in the event of a special agreement? Their statutes clearly state that the provisions of the statutes apply even in the case of a special agreement. Why should the water supplier not provide the service here that is provided in every other case?

The statute states that the costs on public ground are borne by the water supplier.

Most statutes I know - at least here in Bavaria - also state that connection and usage rights extend only over properties that are connected by a supply line (Note, different from house connection lines). The development of individual properties, for which more than 40m of supply line must first be built, is not economically feasible for single-family houses and thus not reasonable considering the requirements of the common good (for the municipal water supply associations). But feel free to post your statutes, maybe they contain corresponding loopholes.

But a supply line exists in the village. We just need an above-average long house connection. Of course, we are willing to bear the additional costs for this. But why do we also have to bear the costs that are otherwise covered by the supplier for every other connection? I am attaching the statute!