ORDER REQUIRES METROPOLITAN DADE COUNTY, ON BEHALF OF ITSELF AND THE MIAMI-DADE WATER AND SEWER DEPT, TO CONDUCT HYDROGEOLOGIC STUDIES TO DETERMINE THE CAUSE OF ANY MOVEMENT OF FLUID CONTAINING CONTAMINANTS AT THE COUNTY'S SOUTH DISTRICT WWTP INTO THE UPPER FLORIDAN AQUIFER, A PORTION OF WHICH IS AN UNDERGROUND SOURCE OF DRINKING WATER.