Erosion and Sedimentation

Question 1

When water or wind detaches soil and rock particles from the land surface, it is called

Answer 1

Erosion

Question 2

The process that occurs when flowing water slows down enough to allow suspended soil particles to settle is called

Answer 2

Sedimentation

Question 3

What year did NC legislation establish a statewide program to control soil erosion and sedimentation?

Answer 3

1973

Question 4

An erosion and sedimentation control plan must be submitted at least ____ before land disturbance begins

Answer 4

30 days

Question 5

During construction, the person who is responsible for maintaining the erosion and sedimentation control devices and practices is the _____

Answer 5

Site developer and/or land owner

Question 6

What does DENHR stand for

Answer 6

Department of Environment, Health, and Natural Resources

Question 7

Graded slopes must be planted with vegetation or or otherwise stabilized within how many working days?

Answer 7

30 working days

Question 8

Some erosion is unavoidable and the resulting erosion must be

Answer 8

Trapped on site

Question 9

When possible, you should schedule construction projects that cause soil disturbance during which seasons?

Answer 9

Summer, Fall

Question 10

When planning a project consider the maintenance and repair costs of each erosion control practice ______ construction.

Answer 10

Before

Question 11

Erosion and sediment control structures should be _______ and ______.

Answer 11

Inspected and maintained