A submersible suction pump pulls the sediment up and into the dredge.The dredge’s rotating cutter uses its teeth to loosen the sediment.You lower a boom containing a suction or cutting attachment to the bottom of the water.Here’s a brief overview of how dredging for gold works: What Is Gold Dredging?ĭredging uses equipment called a dredge to remove sediment from bodies of water such as lakes, rivers and streams. In this guide, we look at what gold dredging is and how it differs from sediment removal dredging. Sediment removal has become increasingly important as we rely on waterways for shipping goods. Gold digging has an extensive history and is still practiced today.

Since its resurgence, it’s become a popular way for small-scale miners to retrieve gold and other precious metals from public bodies of water. Dredging for gold using suction dredges can help the environment by removing excess sediment that can damage waterways. Sediment removal dredging focuses on removing built-up sediment and other obstacles from waterways to improve access.

Dredging for gold is an old-fashioned mining method made new by modern technology.

Using hand dredge