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Indiana man turns napkin pool sketch into 60,000-gallon backyard water park
Cory Johnson of Cromwell decided to elevate his backyard experience, opting for a private water park after a frustratingly long pool installation wait. His dream evolved from a basic pool design, famously sketched on a napkin, into a spectacular 60,000-gallon water park featuring special attractions. With rentals at $140 per hour and a steady stream of bookings, he's also eyeing future upgrades l…
The Times of IndiaAn Indiana man sketched a backyard pool on a napkin after a 1.5-year installation wait; two years later it became a 60,000-gallon private water park now renting for $140 an hour
TOI World Desk · Oct 16, 2026