2020-04-10: Clean in last results, but watch out after recent rains, Withlacoochee River 2020-04-08.
I was afraid this would happen: an inch of rain, and suddenly the Withlacoochee River was dirty again. Unfortunately, the most recent results we have are for last Thursday, April 2, 2020.
An inch of rain and bad water quality
For context and the entire WWALS composite spreadsheet of Georgia and Florida data, see wwals.net/issues/testing/.
Those Valdosta results at US 41, GA 133, and US 84 for Wednesday, April 1, 2020, cannot be Quitman nor the usual agricultural suspects in Brooks County, although Okapilco Creek was also plenty bad.
No, nobody reported any sewage spills in the Suwannee River Basin in Georgia, and also not in Florida. So most likely this contamination is mostly from livestock. Yes, there are horses, cows, and hogs upstream from Valdosta.
The contamination apparently had not really reached Knights Ferry or Nankin yet that day, and not State Line at all.
But the next day Madison Health saw a red 431 cfu/100 mL E. coli at CR 145 (aka GA 31, Madison Highway, State Line Boat Ramp, and Mozell Spells). See also what do these numbers mean?
So it’s not hard to guess that contamination probably reached Florida by Continue reading