What is an alternative, non-potable source of water that can be utilized for irrigation?

Treated wastewater is considered an alternative, non-potable source of water that can effectively be used for irrigation. This process involves the treatment of sewage or wastewater to remove contaminants, making it safe for specific uses, including landscape irrigation. Utilizing treated wastewater for irrigation not only conserves potable water sources but also helps in managing water resource challenges, especially in areas experiencing water scarcity.

Drinking water, while essential for human consumption and various applications, is primarily categorized as a potable resource and is not intended for use in irrigation. Surface water from lakes can be a viable option for irrigation, but it is typically not classified as a non-potable source since it may contain pollutants or substances that could be harmful if used for irrigation without treatment. Groundwater, while it may also be used for irrigation, is generally considered potable and could lead to over-extraction issues if not managed responsibly. Therefore, treated wastewater stands out as a sustainable and efficient non-potable option for irrigation purposes.