All modern concrete foundations are required to have a Ufer ground[1] installed, and this Ufer is required to be connected to the panel. So ground rods are rath

All modern concrete foundations are required to have a Ufer ground[1] installed, and this Ufer is required to be connected to the panel. So ground rods are rather obsolete in most circumstances. But as others have noted, it would be better to have an impedance test during the dry season. [1](https://en.wikipedia.org/wiki/Ufer_ground https://en.wikipedia.org/wiki/Ufer_ground)