Abstract
About 72% of the 1985 Saudi Arabia water consumption was for agriculture purposes. Wastewater treatment supply only 5% of the 1985 Saudi water balance. By the year 2000, wastewater would account for over than 20% of the total water supply. This paper will discuss the contribution of the treated wastewater as an important water resource for agriculture uses. The Saudi Arabian case will be investigated. A brief description of the major wastewater treatment plant in the country will be presented.