Question

b. Why is a check dam built?​

Answer 1

Answer:

Check dams are used primarily to control water velocity, conserve soil, and improve land. They are used when other flow-control practices, such as lining the channel or creating bioswales, are impractical. ... This is typically seen during the construction process of large-scale permanent dams or erosion control.

Answer 2

Answer:

Check dams are used primarily to control water velocity, conserve soil, and improve land. They are used when other flow-control practices, such as lining the channel or creating bioswales, are impractical. ... This is typically seen during the construction process of large-scale permanent dams or erosion