The recent Georgia spills are now in the WWALS composite spreadsheet of Georgia and Florida water quality data.
Other than the very large December 2019 Valdosta spill, none of the spills (except one) obviously correlate with high E. coli as tested.
Which one? The April 24, 2020, Quitman spill, which may have been seen four days later at Running Springs on the Suwannee River.
Withlacoochee, Quitman spill, Running Springs, Suwannee