Holiday closure: December 24, 2024, to January 1, 2025

Santa Ana City Hall and most City facilities will be closed for the holidays. Learn more here.

Archives: FAQs

Office of Environmental Health Hazard Assessment

The Office of Environmental Health Hazard Assessment (OEHHA) protects and enhances the health of Californians and the State’s environment through scientific evaluations that inform, support and guide regulatory and other actions. Learn More.

Department of Toxic Substances Control

The role of the DTSC is to protect California’s people and the environment from the harmful effects of toxic substances by restoring contaminated resources, enforcing hazardous waste laws, reducing hazardous waste generation, and encouraging the manufacture of chemically safer products. Learn more.

State Water Resources Control Board

The mission of the Regional Boards is to develop and enforce water quality objectives and implementation plans that will best protect the beneficial uses of the State’s waters, recognizing local differences in climate, topography, geology, and hydrology. Learn more.

South Coast Air Quality Management District

South Coast Air Quality Management District (SCAQMD) is the regulatory agency responsible for improving air quality for large areas of Los Angeles, Orange County, Riverside, and San Bernardino counties, including the Coachella Valley. Learn more.

Orange County Water District

The Orange County Water District (OCWD) is responsible for managing the vast groundwater basin that provides most of northern and central Orange County’s drinking water. Learn more.

Orange County Health Care Agency

The OC Health Care Agency serves the entire county and is charged with protecting and promoting individual, family, and community through a variety of service areas; most of which are preventive in nature. Learn more.

Orange County Environmental Justice

Orange County Environmental Justice (OCEJ) is a multi-cultural, multi-ethnic environmental justice organization. Their mission is to advance environmental justice by mobilizing and empowering marginalized community members. Learn more.

National Pollutant Discharge Elimination System

The City of Santa Ana is mandated to ensure that no pollution is allowed to enter into any drainage facility that the City owns or maintains by the Federal Program called NPDES. Learn more.

Madison Park Neighborhood Association

GREEN-MPNA (Getting Residents Engaged in Empowering Neighborhoods) and its programming emerged from needs identified by Madison Park parents and youth, including (1) supporting youth and families to pursue educational and leadership opportunities and (2) improving health equity outcomes through wellness programs and environmental justice policy work. Learn more.

Local Regulatory Agencies and Environmental Justice Organizations

Orange County Water District The Orange County Water District (OCWD) is responsible for managing the vast groundwater basin that provides most of northern and central Orange County’s drinking water. Orange County Health Care Agency The OC Health Care Agency serves the entire county and is charged with protecting and promoting individual, family, and community through a variety … Continued

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