Jilin Province Liaoyuan City chemical factory's reaction pond project, with a pond height of 12 meters, utilizes a 2.0mm single-layer impermeable structure. In accordance with national regulations, a leakage detection of the impermeable geomembrane for the reaction pond was conducted. The electrical discharge method was used on-site, identifying two mechanical damages. After on-site repairs, the pond passed the acceptance inspections by both the owner and the supervisory party.