Sloppy reporting - the site is lourdes-water.org, not .com. They do sell Lourdes water for 100 Euros a liter, though. - http://www.lourdes-water.org/buy/lourdes-water-p-36.html
This doesn’t appear to be a website connected with the actual Catholic Church. It appears to have a link to a schismatic site that claims that all the popes from Blessed John XXIII on were/are heretics.
sitetest
Even so, no reputable distributor would charge such a price, and the authorities at Lourdes who grant concessions to distributors would never allow such exorbitant rates. Given that lourdes-water.org also links to products from Medjugorje, a highly dubious “apparition site,” one wonders how well affiliated they are with the Church to get a distributorship in the first place. I also notice that they let Aquafina describe how their water is purified! I think they let slip something here about the nature of their water in the fine print...
No knowledgable Catholic would deny that there are hucksters and charlatans out there preying on the gullible. But we are certainly not alone within the Christian camp in that sort of victimization. I’ll leave it to you to figure out the various frauds underway within the various denominations.