title: Distribution of effluent injected into the Boulder Zone of the Floridan aquifer system at the North District Wastewater Treatment Plant, southeastern Florida, 1997–2011
abstract: First posted February 9, 2018 For additional information, contact: Director, Caribbean-Florida Water Science CenterU.S. Geological Survey4446 Pet Lane, Suite 108 Lutz, FL 33559 Nonhazardous, secondarily treated, domestic wastewater (effluent) has been injected about 1 kilometer below land surface into the Boulder Zone of the Floridan aquifer system at the North District Wastewater Treatment Plant in southeastern Florida. The Boulder Zone contains saline, nonpotable water. Effluent transport out 
journal: Scientific investigations report