While manganese can contribute to lead leaching from plumbing fixtures, it is not the primary cause of high lead levels in water. The main sources of lead in drinking water are lead pipes, fixtures, and solder used in plumbing systems, as well as lead service lines that connect homes to water mains. These components can corrode and release lead into the water, especially when the water is acidic or corrosive. Factors such as water chemistry, temperature, and flow rate can also influence the amount of lead that leaches into the water.

Manganese, on the other hand, is a naturally occurring element that can be found in water sources. Elevated levels of manganese can cause discolored water, staining of fixtures, and an unpleasant taste or odor. However, manganese itself does not directly cause lead leaching from plumbing systems.

To address high lead levels in water, it is crucial to identify and replace lead pipes, fixtures, and solder. Regular water testing and maintenance of plumbing systems can help ensure the safety of drinking water. In cases where lead contamination is a concern, it is advisable to use water filters certified to remove lead or to flush the water from the tap for a few minutes before consumption to reduce lead exposure.