Where local, county and regional master plans indicate that construction or extension of sanitary sewers may serve the subdivision area within a reasonable time, the planning commission may require the installation and capping of sanitary sewer mains and house connections by the subdivider, in addition to the installation of temporary individual on-lot sanitary sewage disposal systems by the subdivider or lot purchaser. Whenever individual on-lot sanitary sewage disposal systems are proposed, the subdivider shall either install such facilities or require by deed restrictions or otherwise as a condition of the sale of each lot or parcel within such subdivision that on-lot sanitary sewage disposal facilities be installed by the purchaser of said lot at the time the principal building is constructed, and no building permit shall be issued until such installation is assured. In all other cases, sanitary disposal facilities for sewage shall be provided for every lot or parcel by a complete community or public sanitary system. All sewer mains shall be a minimum of eight inches (8") in diameter. (Ord. 2023-22 §1, renumbered, 2023; Ord. 2001-8, amended, 2001; Ord. 111 §1, amended, 1985; Prior code §12-107-7(H)(17). Formerly 17.32.250)