Health Services Agency (HSA) exists to protect and improve the health of the people in Santa Cruz County. The Agency provides programs in Environmental Health, Public Health, Medical Care, Substance Abuse Prevention and Treatment, and Mental Health. scan Supports and encourages staff in the development of their full potential in the workplace so as to assure public service excellence. The Santa Cruz County Health Services Agency exists to protect the public health of Santa Cruz County and to help assure residents access to medical care and treatment. The ultimate goal of Health Services Agency (HSA) is healthy people living in healthy communities. HSA is responsible for promoting community health in the public and private sectors. HSA will use its resources to complement the services available in the community. Programs and services provided or supported by HSA are designed to promote healthy people and communities and incorporate these basic values: All people are treated with dignity and respect irrespective of race, gender, ethnic background, age, sexual orientation, marital status, economic status, immigration status, physical appearance, medical or mental condition, and religious or philosophical beliefs.