SDEP Stormwater Exam Questions and
Answers 100% Accurate
Erosion is - ANSWER-The process by which the land surface is worn away by the
action of wind, water, and gravity.
Which of the following describes sedimentation? - ANSWER-The settling out of soil
particles transported by water and wind.
The main two types of soil erosion discussed in this training are: - ANSWER-Wind and
water
An example of a physical effect of erosion and sedimentation is: - ANSWER-Increased
flooding.
What are the four factors that influence the erosion potential of an area? - ANSWER-
Soil characteristics, vegetative cover, topography, and climate.
Best Management Practices (BMPs) for erosion and sedimentation control include
which of the following? - ANSWER-Silt fence and soil stabilization.
Projects with which of the following issues could experience an enforcement action and
possibly monetary penalties from regulatory agencies: - ANSWER-Any of the above
When is Construction Generic Permit (CGP) coverage required? - ANSWER-When your
site disturbs over 1 acre or is less than 1 acre and part of a larger project
, What are the concerns when dewatering discharges go offsite? - ANSWER-Turbidity,
erosion, flooding, release of contaminated groundwater and other surface water quality
violations.
What areas should be evaluated during your weekly/rain event inspections? -
ANSWER-All of the above
Which of the following is considered a surface water quality violation? - ANSWER-
Turbidity level is greater than 29 NTU above natural background conditions.
A floating turbidity barrier/curtain is designed to ______sediment laden water and allow
enough _____for sediments to settle out of suspension. - ANSWER-Contain/Time
For proper installation of a silt fence, a trench _____inches deep and ______inches
wide must be excavated. This will allow the _______inches of fabric to be buried. -
ANSWER-4" D x 4" W; 8"
The maximum spacing between check dams should be such that the _____ of the
upstream dam is at same elevation as the _______of the downstream dam. -
ANSWER-Bottom/Top
Within ____ calendar days after your site has achieved final stabilization and all
discharges are eliminated, you must submit your NOT form according to the
Construction Generic Permit (CGP) - ANSWER-14 days
BMP maintenance activities can be classified into categories including __________. -
ANSWER-All of the above
How long does the operator have to update or revise the stormwater pollution
prevention plan (SWPPP) when site conditions have changed? - ANSWER-7 Days
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