To dirt isn't the verb. To dirty is.

“to dirty” is a verb and is also what you used in your examples

"Who gets the most laundry dirt at your house?” is the only incorrect sentence. Dirt should be dirty. An alternate verb that means "to get dirty" is "to soil". You can simply replace "dirty" with "soil" in all of your examples.

Fernando nesse caso vc deve formar a frase de outra maneira, sem tentar traduzir ao pé da letra. Eu nunca vi ‘dirty’ sendo usado como um verbo, mas sim em combinação com o get. Tu poderia dizer ‘I’ve just washed the dishes, please try not to get any more dirty for today.’ ‘You just got another plate dirty, so now I need to do the dishes again’ ‘Who is the person who needs more washing of clothes in the house (per week/month)?