The good news is that I do have expert testimony as well as testimony
from my neighbors.

The pipe burst was at a 90-degree joint, it is a pvc pipe, and my house
is about 7 years old. The pipe has been dug up a retained as evidence
to show the burst and the condition of the pipes, which is not old or
corroded. The joint broke on the water supply side, indicating the
water pressure surge came from the water main, versus on the side
leading to the house. We do have very high water pressure where we
live, it is around 100 psi, and pressure reducer gage going into the
house.

The repair was completed around 5pm on a Friday, and water was gushing
up from my driveway at 8am on Sunday, so I am assuming it broke before
then, but took that long before it was visable gushing from the
driveway.