Septic System, Toilets and Tubs Not Draining – Plumbing Q & A ©Depositphotos.com/jrphoto Question– “My toilets and tubs are not draining. We just had rain. What could be the problem?” Answer– In our opinion if you are on a septic system then you probably have a full septic system. We would recommend having the spetic system pumped. Ask the Plumber2018-03-05T18:10:34+00:00