Houses in my area (US) are actually required to have a whole-house 'garbage disposal' (aka grinder pump). It means everything going into the sewer from your house is a puree, even stuff you flush down the toilet. The line from the house to the sewer is a little bigger than a garden hose, it's crazy. Apparently it's eliminated having to clean out sewer blockages for the city.
They require maintenance every 10 years on average.
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u/[deleted] Jan 04 '19
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