How do you wash kitchen towels and random, filthy bits and bobs?

I am starting to realize that I have a few issues around contamination OCD and I am currently trying to figure out if I'm being stressing over nothing regarding laundry! I have three types of kitchen towels (1 set for hand drying, 1 set for counter cleaning, and 1 for floor spills/really filthy stuff). Together, they don't make nearly enough to waste a load of laundry on (I have an apartment washer preset to certain load sizes and its expensive).

I was wondering if it's actually okay to wash all my kitchen towels together with my mop covers (swiffer style) and cotton rugs, including an entry rug that gets stepped on with outdoor shoes., all in one cycle rather than individual ones. I already set them all to separate 60 celsius cycles but the rugs usually get bleached, so combining them will mean I can no longer add bleach.

Typing this out makes me realize this probably sounds like a lot of stress over nothing, but I seriously can't shake the idea of having outdoor germs all over my hand/counter towels.

How do you handle your kitchen/house laundry?