Sewers. On lands within the existing or proposed sewer service area as indicated in the Southampton Township Wastewater Facility Plan and where a public wastewater treatment plant and collection system is accessible to a property proposed for development, or where such facilities are to be constructed as a condition of approval of any application for development, the developer shall construct such wastewater treatment facilities and/or sanitary sewer lines and building connections in accordance with the Southampton Township Wastewater Facilities Plan and New Jersey Department of Environmental Protection permit requirements and in such manner as to make adequate sewage treatment available to each lot and building within the development.