Potable water means water which meets the requirements of 35 Ill. Adm. Code 604 for drinking, culinary, and domestic purposes.
Ground water means water below the land surface in a zone of saturation.
Non-potable water means water not safe for drinking, personal, or culinary use as determined by the requirements of 35 Ill. Adm. Code 604.
Used water means any water supplied by a public water supply system to a consumer's water system after it has passed through the service connection and is no longer under the control of the water supply official custodian.
Recycled water or “reclaimed water” means treated or recycled waste water of a quality suitable for non-potable uses such as landscape irrigation and water features. This water is not intended for human consumption.