I live between Stellenbosch and Franschhoek (Banhoek valley), going to be fun :D We have had these type of events before over the past 10 years,; never really have long standing water, just a lot of runoff into the Dwarsrivier on the way to the Bergrivier.
https://newsletter.pragmaticengineer.com/p/trimodal-nature-of-tech-compensation Also holds true for South Africa. You just don't see those salaries as part of surveys.