Hunan Province, Lengshuijiang City, a smelting enterprise's evaporation pond project, covering an area of 37,000 square meters, utilizes a 2.0mm single-layer geotextile membrane for seepage prevention. After the installation and welding of the seepage-proof geotextile membrane, a leakage detection was conducted using the electric-heat method. No leakage points were found during the inspection, and the seepage prevention construction section passed the acceptance smoothly.