LAC 56:V.531. Well Where More Than One Aquifer is Screened

A. To provide assurance that the movement of water is not possible, a bridge plug shall be set in each screen. With the exception of the bottom screen, the plug shall extend 50 feet above and below each screen. The bridge plug in the bottom screen shall extend 50 feet above the top of the screen. 1. The casing between each bridge plug may be filled with fill material. Surface plug shall be set in the upper 30 feet of casing; or 2. the entire well shall be filled with neat cement.