Except as provided in §§B, C, and D of this regulation, an operator shall ensure that: A facility for sewage disposal is maintained in good working order and is: Connected to a community sewerage system when a community system is available; or If a community sewerage system is not available, installed, operated, and maintained in compliance with COMAR 26.04.02 and local code requirements; As evidenced by written documentation from the local or State plumbing inspector or a master plumber licensed by the State, waste plumbing connections and fixtures are installed and maintained in accordance with: Local plumbing code requirements; and COMAR 09.20.01; and The disposal of wastewater from under taps and fountains is by a method that: Prevents stagnant water on the ground surface; and Does not contaminate the ground water. An operator shall ensure that a privy: Is constructed and maintained so that it: Is fly-proof; Is rodent-proof; and Conforms to COMAR 26.04.02 and Environment Article, §9-223(d)(1), Annotated Code of Maryland; Is maintained in good working order; Is not located closer than 100 feet to a housing unit or a facility where food is prepared or served; Has natural ventilation or a mechanically exhausted vent stack adequate to remove fumes and odors from the vault; Is treated with calcium oxide, also known as lime, to reduce odors and eliminate a fly infestation; and Is emptied: Of solid and liquid contents when the privy is filled to capacity; and In conformance with COMAR 26.04.02 and COMAR 26.04.06. An operator may provide written documentation from the building owner that there are no outstanding sewage disposal and plumbing violations for a building used or to be used as a youth camp facility that is: Owned by the State or a local government and used by the public more than 170 calendar days per year; or Owned and operated as a nonpublic school and used as a school for more than 170 calendar days per year. An operator shall ensure that a sewage disposal procedure at a primitive camp: Does not pollute the environment; Does not create a nuisance or public health hazard; and Complies with applicable federal, State, and local statutes, regulations, and ordinances.