The recovery area of the building site must meet the requirements of the Ten Year Water and Sewerage Plan and COMAR 26.04.03. The recovery area must remain undisturbed and be free of permanent structures, easements, driveways, utility lines, or other physical structures that would prohibit the installation of future replacement drainfields. The recovery area, as shown on the approved site plan, as well as the septic system, shall remain as part of the lot until such time as the building is connected to public sewer, except as provided for in the Prince George's County Ten Year Water and Sewerage Plan.