Quoting from the article: "Hundreds of these homes are hooked to wells that are treated as private property: When the water is there, it is solely controlled by

Quoting from the article: "Hundreds of these homes are hooked to wells that are treated as private property: When the water is there, it is solely controlled by owners. Because the land is unincorporated, it is not part of a municipal water system, and connecting to one would be prohibitively expensive." So, the waster water treatment is septic, the original source is rainwater, and there are no pipelines like what you are talking about.