Water pollution caused by heavy metals from industrial waste poses a serious threat to the environment and human health. Metals such as lead (Pb), chromium (Cr), and others are often found in high concentrations in wastewater, which, if not properly monitored, can exceed the permissible limits set by Regulation of the Minister of Environment and Forestry (Permen LHK) No. 5 of 2014. This study a…