Mold a natural bacteria that feed of humidity, usually is a simple fix, like you said the dishwasher is leaking and check when it rains.

Along with this, quartz is antimicrobial—meaning that bacteria can be easily wiped away—making your kitchen counter top truly one of the healthiest surfaces in your home.Quartz counter tops are just one of the many improvements that home buyers crave.

And this bacteria is in Oregon ground squirrels, so it could also get into rats.--------------------------------------------------------------------------------------------------------------------------------------- Clorox kills germs, but its corrosive.

When I have to do this kind of treatment, I do multiple doses of enzymes over several days to let the enzymes penetrate the wood and eat the bad bacteria.

One big benefit of ozone over most any other products is its ability to destroy bacteria and viruses in addition to odors and many odors are bacteria based. 

A product I have used in the past is Simix to help prevent mold and other bacteria. 

@Austin JohnsonI spent a semester in Columbia at Moo Moo Mizzou.The reason why you want the tile in the bathrooms is that viruses and bacteria, molds and yeasts, have a hard time establishing colonies on it. 

What is bacteria level and other bad particles in the water?

Check the toilet tank and see if there is orange slime, that would be iron bacteria an an indication the iron filter is not working.  

We'll plan to treat the floor with some type of enzyme that kills bacteria, but I'm also planning to run an ozone machine.Do you have any recommendations of machines you've used and for how long to run them?