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SWM DEQ Exam Questions and Answers Graded A
Question 1: Certificates of competency are valid for ____.
CORRECT ANSWER : 3 years
Question 2: The Stormwater Management Act requires the State
Water Control Board to____.
CORRECT ANSWER : Permit, regulate and control stormwater
runoff.
Question 3: Who should hold a certificate of competency
according to 62.1-44.15:30?
CORRECT ANSWER : Any personnel of a VSMP authority
who reviews plans or performs inspections.
Question 4: The Construction General Permit (CGP) authorizes
what types of discharges?
CORRECT ANSWER : Stormwater from construction activities
that are >= 1 acre
Question 5: In accordance with Part 2C, how many additional
permit cycles can a project remain subject to?
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CORRECT ANSWER : 2 Additional Cycles
Question 6: What does a complete SWPPP consist of?
CORRECT ANSWER : An approved: -ESC Plan -SWM Plan - P2 Plan -Additional control measures for TMDL impaired waters
Question 7: Issuance of a Land Disturbance Permit is dependent
on:
CORRECT ANSWER : The approval of the SWM and ESC
Plans.
Question 8: What doe the water quality criteria target
CORRECT ANSWER : Total Phosphorus
Question 9: What is the Load Limit?
CORRECT ANSWER : 0.41 /lbs/acre/year
Question 10: Stormwater BMPs use 3 primary mechanisms to
control pollution:
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CORRECT ANSWER : Infiltration, settling, vegetative uptake
or filtering
Question 11: Part 2B and 2C water quantity criteria addresses:
CORRECT ANSWER : Channel protection and flood protection
Question 12: Define the Virginia Runoff Reduction Method.
CORRECT ANSWER : A compliance approach used in VA to
address pollutant loads by incorporating ESD, runoff treatment, and volume control options.
Question 13: What happens when imperviousness reaches 10-
20%?
CORRECT ANSWER : Ecological stress becomes apparent.
Question 14: For drainage areas <= 200 acres, the VSMP may
allow for the use of:
CORRECT ANSWER : The Rational Method
Question 15: What are the design storms used when performing
stormwater calculations?
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CORRECT ANSWER : 1-yr, 2-yr, 10-yr, and 20-yr storms
Question 16: What is the length of time required for a drop of
water to travel from the most hydraulically distant point in the watershed or sub-watershed to the point of analysis?
CORRECT ANSWER : Time of Concentration (Tc)
Question 17: What is the NRCS Runoff Curve Number used to
estimate?
CORRECT ANSWER : The runoff from a site based upon
rainfall and site terrain.
Question 18: What are the various types of stormwater storage?
CORRECT ANSWER : Detention volumes, Extended Detention,
Retention Facilities
Question 19: When does an "agreement in lieu of a stormwater
management plan" apply?
CORRECT ANSWER : When the owner or permittee comply
with the requirements of a VSMP for the construction of a single family home.