They actually reversed it.
Americans are too selfish to do that, especially those settlers in the southwest.
"The City of Cape Town implemented significant water restrictions in a bid to curb water usage, and succeeded in reducing its daily water usage by more than half to around 500 million litres (130,000,000 US gal) per day in March 2018.
[6] The fall in water usage led the City to postpone its estimate for "Day Zero", and strong rains starting in June 2018 led to dam levels recovering.
[7] In September 2018, with dam levels close to 70 percent, the city began easing water restrictions, indicating that the worst of the water crisis was over.
[8] Good rains in 2020 effectively broke the drought and resulting water shortage when dam levels reached 95 percent.
[9]'