I know that usually its against the rules to discharge to a sanitary sewer. However, in some municipalities it is allowed. I also know there are in between rules as well in regards to grey water vs. storm water etc.

However, all rules aside,

do you feel that going into the sanitary sewer is a bad idea?

Will that tax an old drainage system?

if the storm sewers are overwhelmed, do the sanitary sewers also get overwhelmed in storms?

Generally, I guess what I would like to learn, are the PROS and CONS of draining into a sanitary sewer vs. storm sewer.

Discharging storm water into the sanitary system causes problems for wastewater treatment, and if everyone did it, every rain overloads the sanitary drainage system. That is why they are being separated in areas where the sewer used to be combined; the system can't handle that kind of load. If you have a torrential rain that floods the storm drain system, it is unfortunate, but the water is fairly clean if it gets into your house-- unlike the backup of sewage contaminated water that would occur if the systems were connected.

If the storm sewers backup, do you have your pump going to the sanitary sewer or outside as backup?

Arent the storm sewers more likely to backup than the sanitary sewer in a heavy rain situation?

Why do some municipalities PREFER that you go to sanitary sewer?

What is wrong with going to the sanitary sewer from a functionality standpoint? Does it otherwise tax your drain system or cause potential for backup?



Edited 3 times.

Why not just pump it to the outdoors and daylight it away from the foundation?