I thought so too.. that it was unusually well done.. Ive been following this story since I saw it.. It cant be THAT hard to fix this.
It would be good to figure out some way to image the underground structure of he water flow. Is Coachella valley below sea level, as there is water in the Salton Sea I could conceive it flowing first down, then, up.. up into the "geyser" from the Salton sea..
Where is the water in it coming from? Thats where I would start.. Maybe it could be imaged with radioisotopes or something?
Hmmm.. "Elevations on the Valley floor range from 1,600 feet (490 m) above sea level at the north end of the Valley to 250 feet (76 m) below sea level around (Thermal) Mecca."
That area is the center of the US date cultivatation industry which was sucessful and an interesting story which was a change instrumental in the ending of slavery in a number of countries. The cultivation of pearls did too... Maybe the water originates in the
https://en.wikipedia.org/wiki/Coachella_Canal