Why do I have sewage smell coming from my drains?

Answer: not enough water in the traps or possible leak around traps

Answer: Might not have peetraps or trap primers or need add water

Answer: It was improperly installed there should be a P-trap on the drain thus preventing sewer smells.

Answer: Clogged/ old.

Answer: Need water in your traps on your sinks

Answer: There could be many possibilites of why your getting a foul odor coming out of your drains. It could simply be from the soap your using. Believe it or not it will rot causing odors. We do have products that can be induced into the drain that will help restore the inside of the pipe breaking down anything growing inside the pipe removing the odors.

Answer: Dry p-trap

Answer: Properly installed drains be it sink, shower, lavatory, floor drain have a P-trap that holding water that creates a seal keeping sewer gases from coming back in the structure. If a drain is not used regularly, the water evaporates creating a direct path to the city sewer where pressure changes constantly and sometimes sewer gases back up in the structure. Floor drains are notorious for that. simply pour water in the drain regularly and the problem is solved. Commercial floor drain are equipped with a "trap primer" keeping the drain full constantly whether it is used or not.

Answer: Your sewer line may be blocked

Answer: Trapped improperly or vented improperly

Answer: Sewage smell can occur when there's improper drainage caused by a stoppage (roots/breaks/etc). There's a way of finding out for certain what's going on in the line and that is with a sewer camera inspection.

Answer: It could be from either not having a P-trap installed (as i recently encountered) or it could be that there is not proper venting on the drain lines

Answer: It most likely means you have a backed up sewer line, though a poorly sealed toilet, dry p-traps, or several other factors can also cause it.

Answer: There is no water in the pee trap or a broken line

Answer: Could be bad ventilation

Answer: possiable back up or lack of vent system or no p-trap were one needs to be if you have this problem call a plumber

Answer: The P Traps are dry in most cases

Answer: Probably a venting issue

Answer: May be different causes, needs tests performed

Answer: Most likely it is because the drain is dry, either it has dried out, is improperly vented or there is a break in the trap.