State law requires districts to address water quality in schools.
North Carolina Administrative Code 15A-18A.2405 Water Supply
(a) The water supply shall be from an approved source and shall be adequate and of a safe, sanitary quality.
(b) The water supply used shall be located, constructed, maintained, and operated in accordance with the Commission for Public Health's rules governing water supplies. Copies of 15A NCAC 18A .1700 and 15A NCAC 18C may be obtained from the Department. A sample of water from a private or public non community water supply serving a school shall be collected by the sanitarian and submitted at least once a year to the Division of Laboratory Services or other laboratory certified by the Department to perform bacteriological examination.
(c) Backflow connections and cross connections with unapproved water supplies are prohibited.
(d) Hot and cold running water under pressure shall be provided to food preparation areas, and any other areas in which water is required for operations and maintenance cleaning.
(e) The well house shall be kept clean and free of storage.
North Carolina General Statutes 115C-522. Provision of equipment for buildings
Likewise, it shall be the duty of said boards of education and boards of county commissioners to provide every school with a good supply of water, approved by the Department of Environmental Quality, and where such school cannot be connected to water-carried sewerage facilities, there shall be provided sanitary privies for the boys and for the girls according to specifications of the Commission for Public Health. Such water supply and sanitary privies shall be considered an essential and necessary part of the equipment of each public school and may be paid for in the same manner as desks and other essential equipment of the school are paid for.
North Carolina General Statutes 130A-236 Regulation of sanitation in schools
For the protection of the public health, the Commission shall adopt rules to establish sanitation requirements for public, private and religious schools. The rules shall address, but not be limited to, the cleanliness of floors, walls, ceilings, storage spaces and other areas; adequacy of lighting, ventilation, water supply, toilet and lavatory facilities; sewage collection, treatment and disposal facilities; and solid waste disposal. The Department shall inspect schools at least annually. The Department shall submit written inspection reports of public schools to the State Board of Education and written inspection reports of private and religious schools to the Department of Administration.