Program Information Inland Empire Utilities Agency is a water and wastewater management company located in Chino. A municipal water district of the state of CA. IEUA services 7 surrounding cities and participates in many water conservation programs with surrounding water agencies. IEUA is committed to being a leader in water conservation, energy production and efficiency and improving the quality of life in the Inland Empire. \r\nMore information can be found at: www.ieua.org