On Mon, 30 Jan 2017 19:12:17 -0000 (UTC)
Martim Ribeiro wrote:

On Mon, 30 Jan 2017 08:09:15 -0500, in alt.home.repair burfordTjustice
wrote:

How so?

A properly maintained Septic system may never need pumped.

20+ years of no pumping is no uncommon.

I asked a few neighbors today, where there are two types it seems (I
asked in email so I had a good sample of a handful of replies).

Some do it every three years.
Others never do it.

I'm not sure what the difference is since they all must be built to
the same code.

maintenance and/or got suckered.