The countdown is on for Old Town Goleta’s highly-anticipated splash pad at Jonny D. Wallis Neighborhood Park. The city’s first aquatic facility is set to officially open at 3 p.m. May 21 at 170 S. Kellogg Ave. “Sometimes it is scary to be first in the community that is doing something like this, and there have been some hiccups and surprises, but we tried and learned,” Councilman James Kyriaco said. The splash pad is also the first on the South…