A little free professional advice T.
The volume of shit issuing from upstream can cause problems for the best of drainage systems.
Just like Capitalism there comes a time when the whole infrastructure breaks down and the shit spreads all around.
Now, if you produce anything like the volume at home that you do on Mudcat you are likely to be the most unpopular guy in your neighbourhood.

Perhaps a new state of the art sewage treatment plant, paid for by special subscription by your neighbours may be the answer....Ake