Abstract: A system for cathodically protecting a structure that is in contact with soil and for extracting vapor or liquid from the soil, comprising a porous conducting material in direct contact with the soil, a power source being connected to the structure, a tubing string including a central tubing passage, at least one anode electrically connected to the positive terminal of said power source and having a bore therethrough, said bore being aligned with said tubing passage, at least one screen section comprising a hollow member having perforations therethrough and end openings, said end openings being aligned with said tubing passage, said tubing string, said screen and said anode being surrounded and supported by said conducting material such that current provided by said power source flows through said lead to said anode, and from said anode through conducting material and soil into the structure, said tubing string, said screen and said anode being aligned and connected such that vapor or liquid present within th