Why does my camper smell like sewage? What a loaded question. You might be surprised at all the possible answers to that problem. Who knew keeping your RV odor-free could be so nuanced! It could be habits you’re not employing, the treatment products you’re using/not using, maintenance checks you’re neglecting, or a combination of all of them! In this article, we will touch on some of the reasons you could be dealing with sewer smells in your RV.