Enghaveparken can now manage both normal rainfall and cloudburst events. Moreover, rainwater can now be reused, saving the municipality at least one million litres of clean drinking water a year.
Normal rainfall from rooftops in Enghaveparken's catchment area is led onwards to the park via a closed piping system. In the park's Rosegarden, five underground pipes, each measuring 100 metres, make up a 2,000-cubic-metre circular retention basin.
From the closed, underground basin, the municipality can tap water for the city's road sweepers and for irrigating trees.

The remainder of the rainwater collected is led to an area in the park where it is treated using soil filtering and UV treatment. Then, the water is clean enough to be led back up into the park for the children to splash and play in.
The park's Multi Pitch is a place for everyday play, games and sports, or just "hanging out". The pitch is up to 3.5 metres deep and can retain stormwater runoff.
The Rosegarden is a depressed rain garden. Along with the park's lake it can retain water in the event of intense cloudbursts.
The Multi Pitch, the Rosegarden and the lake can together retain a total of
5,200 cubic metres of water, corresponding to what would fall during a 10-year rain event.
The park's terrain surface slopes one metre from west to east. The municipality has exploited the slope in the terrain by building a dike along the northern, eastern and southern edges of the park, so that the water can be retained behind the dike. It somewhat resembles a dustpan and serves its purpose during the most intense cloudbursts, when the underground basin, the Multi Pitch, the lake and the Rosegarden have all filled to the brim with rainwater.
At all other times, the dike, which is one-metre high at its highest point, serves as a seating area for the park's visitors.
In the event of a cloudburst, the gates in the dike are automatically closed and the park is filled with water. The dike solution can retain 14,500 cubic metres of water. The park is closed to the public when the dike retains cloudburst water.
When the drainage system has capacity again, the rainwater retained in Enghaveparken is gradually drained away into the drainage system. When all the water has been emptied from Enghaveparken, the park is cleaned before it is reopened to the public.
Enghaveparken's underground basin, the depressed areas and the dike can retain a total of 22,600 cubic metres of rainwater, corresponding to what would fall during a 100-year rainfall event.
The park's potential to retain and reuse rainwater will not be fully realised for a couple of years, when more cloudburst projects have been established in the area.