NGICP Final Mock Exam Review
Which of the following is considered non-typical maintenance for a bioretention? - correct answer
✔✔Replace curb from vehicle damage
A bioretention system has standing water for 3+ days, what is the most likely cause of such a condition? -
correct answer ✔✔Clogged media or underdrain
Which of the following could contaminate other materials if it is stored upstream of other materials
during construction - correct answer ✔✔Compost
An underdrain installed in a bioretention system would result in which of the following - correct answer
✔✔Increased potential stormwater filtration of the system, and decreased retention.
Which of the following best describes the difference between a cistern and a rain barrel? - correct
answer ✔✔Rain barrels are traditionally used on residential properties, whereas cisterns provide larger
storage capacity and are more complex.
Gutters and downspouts provide which function for rainwater harvesting systems? - correct answer
✔✔Conveyance
Ted is inspecting a bioretention system and notices excessive sediment. What corrective action should
Ted take - correct answer ✔✔Document the conditions including finding the source of the condition,
identify and take corrective actions at the source of the erosion, and replace soil and mulch as needed in
the bioretention.
What are the primary purposes of an overflow on a bioretention system? - correct answer ✔✔1.Ensures
that sidewalks and other major infrastructure do not flood during major storms.
2.During larger storm events it sends excess untreated water to the storm drain
Chris is installing a bioretention curb bump-out. Due to a site constraint the overflow catch basin is
installed to - correct answer ✔✔Decreased ponding depth
Which of the following is considered non-typical maintenance for a bioretention? - correct answer
✔✔Replace curb from vehicle damage
A bioretention system has standing water for 3+ days, what is the most likely cause of such a condition? -
correct answer ✔✔Clogged media or underdrain
Which of the following could contaminate other materials if it is stored upstream of other materials
during construction - correct answer ✔✔Compost
An underdrain installed in a bioretention system would result in which of the following - correct answer
✔✔Increased potential stormwater filtration of the system, and decreased retention.
Which of the following best describes the difference between a cistern and a rain barrel? - correct
answer ✔✔Rain barrels are traditionally used on residential properties, whereas cisterns provide larger
storage capacity and are more complex.
Gutters and downspouts provide which function for rainwater harvesting systems? - correct answer
✔✔Conveyance
Ted is inspecting a bioretention system and notices excessive sediment. What corrective action should
Ted take - correct answer ✔✔Document the conditions including finding the source of the condition,
identify and take corrective actions at the source of the erosion, and replace soil and mulch as needed in
the bioretention.
What are the primary purposes of an overflow on a bioretention system? - correct answer ✔✔1.Ensures
that sidewalks and other major infrastructure do not flood during major storms.
2.During larger storm events it sends excess untreated water to the storm drain
Chris is installing a bioretention curb bump-out. Due to a site constraint the overflow catch basin is
installed to - correct answer ✔✔Decreased ponding depth
