Regional water and wastewater agency serving western San Bernardino County

Inland Empire Utilities Agency (IEUA) is a public agency established in 1950, originally as the Chino Basin Municipal Water District, and now serves as a regional wastewater treatment agency and wholesale distributor of imported water in western San Bernardino County, California. IEUA is responsible for providing essential water and wastewater services to approximately 950,000 residents across a 242-square-mile area. The agency's core functions include treating wastewater, developing recycled water, managing local water resources, and implementing conservation programs to reduce reliance on imported water. IEUA also converts biosolids and waste products into high-quality compost and generates renewable electrical energy from waste streams. The agency operates multiple regional wastewater facilities, water recycling plants, and groundwater recharge basins, and is recognized for its leadership in water quality management, environmental stewardship, and sustainable resource development. IEUA collaborates with several customer agencies and is a member of multiple joint powers authorities, further extending its regional impact and service capabilities.
IEUA is governed by a five-member Board of Directors, each elected by division to four-year overlapping terms, representing the residents of its service area. The agency's executive management team oversees operations, strategic planning, and regulatory compliance, ensuring the delivery of essential water and wastewater services. Leadership emphasizes collaboration, innovation, and fiscal responsibility, with a strong focus on public health, environmental protection, and community engagement.
IEUA operates advanced wastewater treatment and water recycling facilities, including five regional plants and the largest composting facility in North America. The agency manages 89 miles of regional wastewater collection pipelines and 46 groundwater recharge basins. IEUA employs state-of-the-art technology for water quality monitoring, energy production from renewable sources, and efficient resource management, supporting its mission of sustainability and reliability.
IEUA's service network is regional, covering western San Bernardino County in California, United States. The agency serves 11 customer agencies and municipalities, providing water and wastewater services across a diverse and densely populated area. While its operations are not global, IEUA's regional network includes partnerships with local cities, water districts, and joint powers authorities, ensuring comprehensive service delivery throughout its jurisdiction.
IEUA operates with an annual budget of $133 million and manages a ten-year capital improvement program valued at $590 million. The agency is funded through a combination of pay-go, low-interest state loans, and grants, supporting its infrastructure investments and service expansions. IEUA maintains a strong financial position, prioritizing cost-effective operations and long-term sustainability to meet the needs of its growing service area.
IEUA provides a comprehensive suite of water and wastewater services, including the treatment and recycling of municipal and industrial wastewater, wholesale distribution of imported water, and the production of recycled water for agricultural, municipal, and industrial uses. The agency also manages biosolids and produces high-quality compost, operates groundwater recharge and stormwater management facilities, and generates renewable energy from waste streams. IEUA specializes in water quality management, drought resilience programs, and environmental stewardship, serving as a key resource for regional water sustainability and infrastructure.