Get your giant grain of salt ready:
I don’t buy BS, but I’m familiar with this Youtube channel and typically, they copy other sources and come in a bit late. Not given to wild speculation, IME, and this does sort of play into concerns over the Addicks gate outlet.
95% sure this is hoey.
Leaving 5.
Not unexpected - E. coli not only from humans but pets (outdoor poop), cattle, horses, other warm-blooded mammals and some birds, etc. Those rainbow colors you see in the water are from oil or its derivatives, plus solvents and other chemicals. Not downplaying it and my comment was meant for untreated discharge from the Beaumont WWTP directly to the Neches River.