NC Water & Sewer - Erosion and Sedimentation
Control Exam Q’s and A’s
1 - Which of the below would require an approved erosion and sedimentation control plan
before any clearing or grading may occur?
1 - Less than ½ acre
2 - Over ½ acre
3 - 1 acre
4 - Over 1 acre - -Over 1 acre
-2 - Erosion and sedimentation control plans must be submitted how many days in
advance of the start of clearing or grading?
1 - 7 days
2 - 14 days
3 - 30 days
4 - 90 days - -30 days
-3 - Which of the below are true about erosion and sedimentation control?
1 - Surfaces must be stabilized
2 - Sediment must be retained on site
3 - Don't start work before plan approval
4 - All of these - -All of these
-4 - Who is responsible for erosion control?
1 - EPA
2 - NC Erosion Control Agency
3 - Local Government
4 - Person financially responsible for land disturbing activity - -Person financially
responsible for land disturbing activity
-5 - In addition to the person financially responsible for the land disturbing activity who
else may be held responsible for erosion control?
1 - The contractor
2 - The grading contractor
3 - EPA
4 - The land owner - -The land owner
-6 - After construction is complete who is responsible for maintenance and future
compliance of erosion control?
, 1 - Contractor for one year
2 - EPA
3 - Environmental Health
4 - Land owner - -Land owner
-7 - A permanent ground cover, sufficient to control erosion, must be installed within
which of the below times after completion of construction or development?
1 - 15 working days or 120 calendar days
2 - 15 working days or 30 calendar days
3 - 30 working days or 120 calendar days
4 - 30 working days or 90 calendar days - -30 working days or 120 calendar days
-8 - What is the minimum a sediment basin (A temporary sediment trap) should hold per
acre?
1 - 1800 square feet
2 - 1800 cubic feet
3 - 1800 gallons
4 - Over 1800 gallons - -1800 cubic feet
-9 - How deep should seedbed preparations be?
1 - 1 to 2 inches
2 - 2 to 3 inches
3 - 3 to 5 inches
4 - 4 to 6 inches - -4 to 6 inches
-10 - Land disturbing activity shall be permitted in proximity of a lake or waterway with a
buffer zone of sufficient width to confine visible silt within ___% of the buffer zone.
1 - 25
2 - 50
3 - 75
4 - 100 - -25
-11 - What is the maximum area of land that can be disturbed (as in grading) in which you
do not need a permit?
1 - 1.25 acre
2 - 1.50 acre
3 - 1.1 acre
4 - Any amount 1 acre or under - -Any amount 1 acre or under
Control Exam Q’s and A’s
1 - Which of the below would require an approved erosion and sedimentation control plan
before any clearing or grading may occur?
1 - Less than ½ acre
2 - Over ½ acre
3 - 1 acre
4 - Over 1 acre - -Over 1 acre
-2 - Erosion and sedimentation control plans must be submitted how many days in
advance of the start of clearing or grading?
1 - 7 days
2 - 14 days
3 - 30 days
4 - 90 days - -30 days
-3 - Which of the below are true about erosion and sedimentation control?
1 - Surfaces must be stabilized
2 - Sediment must be retained on site
3 - Don't start work before plan approval
4 - All of these - -All of these
-4 - Who is responsible for erosion control?
1 - EPA
2 - NC Erosion Control Agency
3 - Local Government
4 - Person financially responsible for land disturbing activity - -Person financially
responsible for land disturbing activity
-5 - In addition to the person financially responsible for the land disturbing activity who
else may be held responsible for erosion control?
1 - The contractor
2 - The grading contractor
3 - EPA
4 - The land owner - -The land owner
-6 - After construction is complete who is responsible for maintenance and future
compliance of erosion control?
, 1 - Contractor for one year
2 - EPA
3 - Environmental Health
4 - Land owner - -Land owner
-7 - A permanent ground cover, sufficient to control erosion, must be installed within
which of the below times after completion of construction or development?
1 - 15 working days or 120 calendar days
2 - 15 working days or 30 calendar days
3 - 30 working days or 120 calendar days
4 - 30 working days or 90 calendar days - -30 working days or 120 calendar days
-8 - What is the minimum a sediment basin (A temporary sediment trap) should hold per
acre?
1 - 1800 square feet
2 - 1800 cubic feet
3 - 1800 gallons
4 - Over 1800 gallons - -1800 cubic feet
-9 - How deep should seedbed preparations be?
1 - 1 to 2 inches
2 - 2 to 3 inches
3 - 3 to 5 inches
4 - 4 to 6 inches - -4 to 6 inches
-10 - Land disturbing activity shall be permitted in proximity of a lake or waterway with a
buffer zone of sufficient width to confine visible silt within ___% of the buffer zone.
1 - 25
2 - 50
3 - 75
4 - 100 - -25
-11 - What is the maximum area of land that can be disturbed (as in grading) in which you
do not need a permit?
1 - 1.25 acre
2 - 1.50 acre
3 - 1.1 acre
4 - Any amount 1 acre or under - -Any amount 1 acre or under
