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County Health Officer on Local Oil Spill - Health Advisory #2

(Santa Ana, CA) – According to the latest update from the Unified Command leading the oil spill response along the Orange County coastline, the South Coast Air Quality Management District, in coordination with the U.S. Environmental Protection Agency, the OC Health Care Agency (HCA), and a contracted environmental consulting firm...

Update on C. auris in Orange County 10.13.21

Update on C. auris in Orange County 10.13.21

County Health Officer on Local Oil Spill - Health Advisory #3

(Santa Ana, CA) – According to the latest update from the Unified Command leading the oil spill response along the Orange County coastline, sampling teams have conducted water and sediment samples, and the water and sediment data received from Orange County samples do not indicate a public health concern for...

OC Health Care Agency Encourages COVID-19 and Flu Vaccinations, Continues to Monitor Status of Additional COVID-19 Booster Vaccines

(Santa Ana, CA) – As COVID-19 cases continue to decline in Orange County, the OC Health Care Agency (HCA) continues to urge individuals who are not yet vaccinated against both COVID-19 and influenza (flu) to get vaccinated. “Studies continue to show that receiving a COVID-19 vaccine reduces infections, hospitalizations and...

OC Links: Behavioral Health Information, Referrals, Crisis Response And More

Mental health issues like depression, anxiety, drug and alcohol misuse, and hopelessness can affect anyone, anywhere, anytime. And OC Links is the first place to call for help with any of them. OC Links is a free and confidential telephone and online chat service that connects Orange County residents to...

Public Notices

Public Notices found on this page are intended to inform the public of proposed projects or regulatory activities in Orange County. Each notice should contain contact information for questions or comments about the project or activity. Description Date of Notice Notice Expires Click icon to view notice Well Standards Advisory...

Inside Environmental Health

About Us The purpose of Environmental Health is to protect public health and promote the well being of all Orange County residents, workers, and visitors. Environmental Health is a regulatory agency and relies heavily on education and persuasion in fulfilling its legal responsibilities. Our Vision To serve the public by...

Lead Week, October 19-25, 2025

Lead Week is a national annual campaign during the last full week of October to bring awareness to and prevent childhood lead exposure. This year's theme, Nutrition as Prevention , addresses the role that nutrition plays in preventing lead from being absorbed into the body and empowers families to offer...

Lead Poisoning

There is no safe level of lead. Even small amount of lead can cause learning and behavior problems for children. Some of these health problems can last a lifetime, including brain and nervous system damage, slow growth and development, and hearing and speech problems. Children with lead poisoning do not...