Which dewatering system is known for producing clear, non-turbid groundwater?

The dewatering system recognized for producing clear, non-turbid groundwater is the well-point and sock/horizontal pumps. This method effectively minimizes the disturbance of the surrounding sediment in the groundwater, which helps maintain the clarity of the water. Well-point systems utilize a series of well points connected to a common header, creating a vacuum that draws water from the soil. Because this system is designed to lower the groundwater level gradually, it reduces sediment resuspension, which is a common issue with more aggressive dewatering methods.

In contrast, other pump types may not effectively prevent turbidity. For instance, while submersible pumps are efficient in removing water from wells or pits, they can disturb the accumulated sediment, leading to turbid water. Vacuum pumps operate by creating a vacuum to remove water from a specific area but may also disrupt sediments. Airlift pumps, which use compressed air to lift water, can similarly create turbulence that stirs up sediment, resulting in less clear water.

Overall, the well-point and sock/horizontal pumps are designed specifically to enhance groundwater clarity by minimizing sediment displacement during the dewatering process.