The Department shall perform such monitoring as is necessary to insure the quality and integrity of results of tests, measurements, or analyses reported by the supplier of water. Should such monitoring by the Department indicate a violation of the maximum contaminant levels, or the presence of any contaminant at levels considered to be a real or potential threat to the public's health, the Department at its discretion may notify the public or require the supplier of water to notify the public pursuant to R.61-58.6.E, or other method deemed appropriate by the Department and initiate the necessary action to eliminate the violation or contaminant.
S.C. Code Regs. § 61-58.5.W