Septic smell from sinks - Septic tank sewage smell comes from sink

Foul and surface water, private drains and public sewers, land drains and soakaways, filter drains and any other ways of getting rid of water.
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falstaff123
Posts: 1
Joined: Wed Oct 23, 2013 11:31 pm
Location: worcestershire

Post: # 93239Post falstaff123

:( New property, new fibre glass septic tank, two 110mm soil stacks. One open through roof (furthest from septic). One with AAV Closer to septic. P traps under floor where sink wastes exit building. Smell from sinks when water is run down wastes.
falstaff
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seanandruby
Site Admin
Posts: 4713
Joined: Mon Jun 26, 2006 11:01 am
Location: eastbourne

Post: # 93277Post seanandruby

Why is the sink trap under the floor?
Maybe the waste trap is to low and the water is getting syphoned out of it causing the smell to come through.
sean
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lutonlagerlout
Site Admin
Posts: 15184
Joined: Fri Aug 04, 2006 12:20 am
Location: bedfordshire

Post: # 93280Post lutonlagerlout

thats a common one sean
we have had it where the toilet getting flsuhed sucks the water out of the bath waste letting smells back in
as a stop gap keep your p traps full
the builder may have run the sink waste straight into the stack pipe
LLL
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