ST. LUCIE COUNTY —Weeks of steady rain, a historic downpour and elevated tides have combined to leave neighborhoods across the Treasure Coast underwater, with some residents stranded in their own communities and no clear timeline for when floodwaters will recede.
St. Lucie County officials say the unprecedented rainfall has overwhelmed an already saturated drainage system, while king tides and elevated water levels in the Indian River Lagoon and surrounding waterways have left floodwaters with nowhere to go.
Some areas of Port St. Lucie received as much as 12 to 14 inches of rain, while portions of Fort Pierce recorded about 5 inches, said Eric Gill, communications director for St. Lucie County…