3 ms·
Could you say more about "preventing any water getting into sewage"? I think sewage is already pretty insulated to not contaminate groundwater, is it not?
by contrarian1234 3y ago
Could you say more about "preventing any water getting into sewage"?
I think sewage is already pretty insulated to not contaminate groundwater, is it not?
- teruakohatu 3y agoNot really, storm water can enter through drain-waste-vents, gully traps and manhole covers. It can also enter when stormwater is accidentally connected to sewage (it happens). You can seal off parts of a sewage system (eg. vacuum sewage between closed valves), but not all of it for practical and safety reasons.