It’s not always easy to spot the signs of a serious drain clog, but if you see black sludge coming uap from your drain, that is one huge red flag that there could be a significant blockage. If you notice multiple, recurrent issues with slow drains in your home, foul sewage odors coming from your drains, or discolored water in your taps, you should call us for emergency drain cleaning right away. If not addressed, clogged drains can cause serious health hazards, including flooding and blocked sewers. To get help from trained plumbers near you, call Rialto Emergency Plumbing at the first sign of trouble.