About 9,700 gallons of raw sewage reached the Manatee River on Wednesday, July 8 after a 20-year-old wastewater pipe broke inside a gated luxury development in Parrish, according to a pollution report Manatee County filed with the Florida Department of Environmental Protection. The spill matters locally because the Manatee River watershed feeds the Lake Manatee Reservoir, the primary surface water source for Lakewood Ranch and hundreds of thousands of other utility customers across Manatee and Sarasota counties.
The break in a 6-inch force main near a home on River Shores Trail spilled approximately 17,700 gallons total. County crews recovered about 8,000 gallons with a vacuum truck, but the rest flowed through two stormwater retention ponds, into a mangrove area, and then into the river, the Bradenton Herald reported Wednesday, July 29.
Surface water drawn from the Lake Manatee Reservoir supplies about 34 million gallons per day to the region, according to the county's 2025 Water Quality Report.
What broke and how the county responded
Manatee County Utilities staff received notification of the sanitary sewer overflow at approximately 7:30 p.m. on Wednesday, July 8. They shut down an upstream lift station at 11 p.m. to stop the discharge and completed repairs to the pipe that same night.
The spill occurred inside The Islands on the Manatee River, a 225-acre waterfront community that began construction in 2008 and is planned for 178 homes. The force main that failed was installed roughly 20 years ago. A Manatee County Government spokesperson told the Bradenton Herald that staff could not determine what caused the break.
Water quality testing
The county tested fecal coliform and E. coli levels at several locations in the Manatee River near the spill site on Friday, July 10.
"These results are very low and indicate minimal, if any, impact from the sanitary sewer overflow; instead, they reflect normal concentrations in the river," a county spokesperson said via email. "We typically see fecal coliform/enterococci concentrations many orders of magnitude higher if a water body has been affected by raw wastewater."
The county's 2025 Water Quality Report confirmed the system met all EPA and state drinking water health standards last year.
Infrastructure under growth pressure
Manatee County's population reached an estimated 468,200 in 2025, a 2% increase from the prior year, according to the Bradenton Journal. That growth has strained county infrastructure, including aging utility lines like the force main that failed in Parrish.
No enforcement action, fine, or follow-up inspection by the Florida Department of Environmental Protection has been publicly reported.
