DEQ- Stormwater Mangement Inspector
Exam Questions and Answers Graded A+
What two plans in the SWPPP must be approved? - Correct answer-Erosion and
sediment control plans and stormwater management plans must be approved.
Does the stormwater management plan address runoff during construction or after?
- Correct answer-The stormwater management plan addresses post-construction
stormwater runoff.
What impact does impervious cover have on water quality? - Correct answer-
Impervious cover increases stormwater runoff volume and velocity, leading to
higher pollutant levels like sediment and phosphorus, negatively affecting water
quality.
What is the target pollutant in the water quality criteria? - Correct answer-
Phosphorus
What is the lower limit of imperviousness that can result in stream degradation? -
Correct answer-10%
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, What destructive forces does the SWM regulation protect against? - Correct
answer-Channel erosion and flooding.
How does the rate of runoff change after development? - Correct answer-Runoff
rate increases post-development due to vegetation replacement with impervious
surfaces, potentially causing erosion and flooding.
What must a locality's ordinance require for submission and approval? - Correct
answer-ESC plan and SWM plan (9VAC25-870-148)
List three violations for which a penalty may be imposed. - Correct answer-
Violations include: No registration date, No SWPPP, Incomplete SWPPP, SWPPP
not available for review, No approved ESC plan, Failure to install stormwater
management BMPs or ESCs, Improperly installed or maintained stormwater BMPs
or ESCs, Operational deficiencies, Failure to conduct required inspections,
Incomplete, improper, or missed inspections.
Maximum Penalty under the Stormwater Act - Correct answer-$32,500
Locality VSMP Authority Registration Statement Retention - Correct answer-Must
be documented and retained for at least three years from project completion or
permit termination
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Exam Questions and Answers Graded A+
What two plans in the SWPPP must be approved? - Correct answer-Erosion and
sediment control plans and stormwater management plans must be approved.
Does the stormwater management plan address runoff during construction or after?
- Correct answer-The stormwater management plan addresses post-construction
stormwater runoff.
What impact does impervious cover have on water quality? - Correct answer-
Impervious cover increases stormwater runoff volume and velocity, leading to
higher pollutant levels like sediment and phosphorus, negatively affecting water
quality.
What is the target pollutant in the water quality criteria? - Correct answer-
Phosphorus
What is the lower limit of imperviousness that can result in stream degradation? -
Correct answer-10%
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, What destructive forces does the SWM regulation protect against? - Correct
answer-Channel erosion and flooding.
How does the rate of runoff change after development? - Correct answer-Runoff
rate increases post-development due to vegetation replacement with impervious
surfaces, potentially causing erosion and flooding.
What must a locality's ordinance require for submission and approval? - Correct
answer-ESC plan and SWM plan (9VAC25-870-148)
List three violations for which a penalty may be imposed. - Correct answer-
Violations include: No registration date, No SWPPP, Incomplete SWPPP, SWPPP
not available for review, No approved ESC plan, Failure to install stormwater
management BMPs or ESCs, Improperly installed or maintained stormwater BMPs
or ESCs, Operational deficiencies, Failure to conduct required inspections,
Incomplete, improper, or missed inspections.
Maximum Penalty under the Stormwater Act - Correct answer-$32,500
Locality VSMP Authority Registration Statement Retention - Correct answer-Must
be documented and retained for at least three years from project completion or
permit termination
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
