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The wire is there to bond the copper system in the house to the service ground, not to provide a ground for the service as would be the case if there were a metallic water supply line.

And you need another ground rod.

The fog is lifting a bit. I was assuming the system was setup to use the water line as the main electrode. It "looks" identical to such a system (AL conductor is connected to the panel's ground lug, while the #6 copper occupies a lug in the ground bar, no evidence of a 2nd rod, etc.). I assumed the #6 was for the required supplemental rod in such a system, when in fact it is the GEC.

So, if the bonding conductor is clamped on the "outboard" side of the meter, should the meter be jumpered to maintain continuity to the rest of the indoor plumbing? Right now it's plastic to compression fitting to copper w/AL clamped, then meter and remainder of indoor copper piping. No jumper over the meter.

In my defense, there is plenty of evidence of shoddy workmanship throughout the house, and with small children thrashing about, I'm wary. I've also been told I'm a little slow on the uptake... [Linked Image]

-Steve