Honda float bowls have a drain screw that will allow almost every drop to drain out; most have a fuel line shutoff valve so that you could just turn off the shutoff and run, then drain the remainder.
Most US carbs on small engines are Walbro made and will allow fuel to stand after the engine runs dry.
If your fuel was milky you had at least 20% water in slurry.
The Honda gas tank itself has a lerge sediment area and is best cleaned with a lint-free coth stuffed to the bottom where it will wick out all the remaining contaminated fuel.
After wicking, get a concentrated beam flashlight and inspect the interior surface, they have a high tendency to rust. Honda shops can sometimes treat these tanks and save them.
Coth should have been cloth, of course.
One other thing, often station managers fail to pump out excessive tank condensation and when they get a fuel drop a lot of water is stirred up and can easily get pumped into your gas can; I can name four stations within five miles from me where this has happened on several occasions.
If unsure about the water-free state of a fresh fill, shake the can and pour about half a pint in a mason jar and let stand for several minutes; there should be no separation line near the bottom of the jar.
And for a Holley double pumper?