It's alleged that they made misleading claims, but it's not like the whole operation was a complete fabrication. There were plants and machines and whatnot, as can be seen in several articles on tis topic.
So it's plausible that they illegally dumped wastewater as part of whatever it is they're doing that isn't working as advertised.
So it's plausible that they illegally dumped wastewater as part of whatever it is they're doing that isn't working as advertised.