Hi,
We currently have a cesspit but are considering replacing it with a sewage treatment plant, however am concerned about the noise.
Our neighbour had one installed about 6 years ago (before we moved in) and I've noticed that it makes a constant humming noise. Luckily we can't hear theirs in our garden, but I think if we had one that hummed it would drive me crazy. Our garden isn't huge so there would be no escaping it!
Has anyone got one, and if so, what make is it and does it humm?!