The control center for the synchronization of images , water flow , and lighting color and intensity is beneath one of the towers , in a room that cover 550 square feet ( 51 m2 ) . The room house high @-@ definition video servers and equipment temperature sensors . Hard drives contain all the individual electronic computer files of the face videos . Generally , the computer programs automatically perform tasks such as determining when the face will pucker and , if weather conditions permit , when to turn the water on and off . Using low- rather than high @-@ resolution images was both less expensive and created a better display for the average viewer . A Barco show controller select the sequence of face one at a time and determine a random tower lighting selection of one of eight LED colors programmed into an Electronic Theatre Controls ( ETC ) Emphasis control system . At night , the ETC system control spotlights that illuminate the cascading water and that are dimmed by special wet @-@ use location ground fault circuit interrupters . The control room cover an area equal to 26 parking spaces in the underground parking garage , which cost the city $ 100 @,@ 000 annually in terms of the opportunity cost of lost revenue ( in 2004 dollars ) . Maintenance issues for the fountain range from kids removing the adhesive between the bricks to pipes in need of maintenance . As of 2014 , annual upkeep costs was approximately $ 400 @,@ 000 .