[oinksoft]

As far as I know, Furnace Creek is an oasis, and its golf course is irrigated by non-potable groundwater from local springs.

Water Conservation at The Oasis: https://www.oasisatdeathvalley.com/who-we-are/sustainability...

Hydrogeology of Lower Amargosa Valley (see Fig. 1 in report): https://pubs.er.usgs.gov/publication/sir20185151

[rurp]

Pulling water out of a desert ecosystem like that can have a profoundly negative impact on the native wildlife, whether or not the water is human drinkable.