According to the BH construction booklet, they test them with 100 psi air before final hook up and then several times with water after they're connected. What happens once they're dragged down our well maintained roads and filled with water may be another matter. But, I have not experienced the myriad of leaks that seem to be complained about, even when we first got it. Maybe that's because I take the time to check the plumbing when we set up at our site and during the summer.
If everything in life were perfect, your campsite would probably have pearly gates at the entrance (if you've been a good camper, that is).
BIGHORN constructs the plumbing network with top grade materials and methods similar to residentialhousing. The water lines are capped and tested for leaks using air at 100 P.S.I., before final hookup.The system is then hooked up and re-tested again, using water, assuring the consumer a trouble freeplumbing system. The whole system, including water lines, pipes and tanks, are tested several timesfor defects or leaks.