All premises intended for human habitation or occupancy shall be provided with a potable water supply. The potable water supply shall not be connected to non-potable water and shall be protected against backflow and backsiphonage in accordance with the requirements of the “Illinois Plumbing Code”. Each potable water supply shall provide quantities of water that are sufficient for the drinking, culinary and sanitary needs of the dwelling or premises served. A minimum system pressure of twenty (20) pounds per square inch shall be maintained throughout each potable water supply.
All water systems which receive their source of water from ponds, lakes, streams, rivers or other surface collectors of water shall be designed, constructed, and operated in accordance with the “Surface Water Treatment Code”. No surface water shall be utilized as a potable water supply unless the Health Authority has review and approved the supply and its components.
Cisterns are not a Department of Public Health recognized source of potable water for private use. Therefore, individuals may install cisterns without approval from the Southern Seven Health Department. The Health Authority is not allowed to test any water sample from a private use cistern. Cisterns shall not be used as a potable water supply for uses other than private applications.
The use of cisterns to serve the public (restaurants, retail stores, campgrounds, etc.) is prohibited, except where adequate groundwater resources are not available. Cistern water shall receive treatment in accordance with the “Surface Water Treatment Code”. No cistern water shall be utilized as a public potable water supply unless the Health Authority has reviewed and approved the supply and its components.