However there are plans to develop it into an eco-friendly park and rain garden.
There has been no safety threat caused by street flooding since the rain garden was built in 2004.
This creates the advantage that the rain garden does not allow mosquitoes to breed.
The students put many native plants in the rain gardens to help make it look beautiful.
The Alliance has been a leader in the development of functional landscapes like "rain gardens".
A rain garden is located on the south side of the building.
Also they have created a website teaching others about how to make their own rain garden.
"Yeah, so a lot of people would make rain gardens," said her twin Ruth.
This is how a rain garden has a ripple effect.
The park also has a rain garden designed to collect water and improve the local watershed.