Coming soon to Reston’s Lake Fairfax Park: A new and improved Water Mine Family Swimmin’ Hole.

The Fairfax County Park Authority will hold a public groundbreaking ceremony Saturday at 1 p.m. to kick off the $5 million renovation.

The project will substantially increase the size of the Lake Fairfax facility. The expansion will include:

• 3,000-square-foot tot spray pad with spray features
• 5,300-square-foot-active spraypad with spray features
• Slide tower with three flume water slides
• Interactive play structure.

Also in the works: A 1,000-square-foot restroom and mechanical building; improvements to the pool deck; relocation of shade structures;  new shade structures and related utility and site work.

The park authority says more than one million people have visited the Water Mine since it opened in 1997.  The festivities will include refreshments as well as special activities for Water Mine attendees.

Those attending Saturday’s festivities may enter through the side entrance, park authority officials said. There will also be special activities Saturday.

The project is scheduled to be completed in late summer of 2015.   

Photo of The Water Mine/Credit: Fairfax County