Napa-Solano-Yolo-Marin County Public Health Laboratory
General Information The Napa-Solano-Yolo-Marin County Public Health Laboratory exists as a regional laboratory to protect local communities against communicable diseases by providing diagnostic and reference laboratory services to healthcare professionals, clinics, hospitals, and law enforcement. Water testing and tick testing services are available to the public.
Notice: The laboratory will be closed on January 21, 2019 in observance of Martin Luther King Jr. Day.
For information on testing services, click on the links below or on the left-hand panel.