The study looked at 200 water storage installations in a busy urban area and found many were not working well. They were hard to reach, not maintained enough, and didn't fit in with the city. To fix this, researchers studied new ways to collect stormwater in places like parking lots and squares. They found three examples that show these techniques can work well in cities, but there are still challenges to overcome. Overall, using these methods is a good way to help cities grow sustainably.