Taking the opposite side side of the argument, good UX only matters for inexperienced employees. People that mindlessly click are going to mindlessly click "yes" on the confirmation dialog
Yikes, I gave them the benefit of the doubt and assumed they drilled to the source below ground. Literally anything can happen on surface water - one of your workers comes to work sick and shoots a snot rocket into the creek fed by the spring, rabid skunk dies and tumbles in, etc.
Ground (preferably very deep) has far less that can spontaneous go wrong if you follow good practice - no barns or significant domestic animal activity, no composting, etc
Overblown concerns if pulled from a known good and tested source. Modern well technology and practices make the risks nill if followed; untreated surface water is an entirely different story and risky.
I've been drinking, cooking, and showering with aquifer water that only goes through sand for quite some time. Amazing taste, none of the chemical flavor, incredibly "soft" like fresh rain water - that slick feeling as though you have soap on your hands
I received a 10 year visa and would certainly not call myself Nobel level. Fairly straightforward process, but you do need to provide quite a few personal details