S.C. Code § 44-1-90
The State Board of Health and Environmental Control or its designated agents, when it is deemed necessary by the municipal officers of any town or city or the governing body of any county, may (a) visit cities, towns, villages or localities where disease is prevalent or threatened, (b) investigate and advise with the local authorities or persons as to such measures as may tend to prevent the spread of disease or to remove or abate causes that may tend to cause or intensify disease, (c) advise, when practicable or possible, as to measures of sanitation or hygiene and (d) investigate and advise as to all matters respecting water supply, sewage, drainage, ventilation, heating, lighting or other measures connected with public sanitation or safety.
S.C. Code § 44-1-90