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VIRGINIA DEQ SWM PLAN REVIEWER CERTIFICATION EXAM
NEWEST 2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Soil compost amendment. 2nd test taken - ANSWER-At least 1
week after compost has been incorporated
For soil compost amendment prep you must deep till 2-3' with rips
- ANSWER-perpendicular to direction of flow
Difference between extensive and intensive for vegetated roof -
ANSWER-extensive: low plants with 3" to 6" growth medium,
intensive medium 6 to 12"
The vegetated roof leakproof tests involves putting 2" of water
over membrane for - ANSWER-48 hours
Warranty related to vegetative roof suggests - ANSWER-75%
survival after first growing season
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Minimum effective vegetated ground cover for flat roofs and for
pitched roofs - ANSWER-75%, 90%
Difference between level 1 and level 2 permeable pavement -
ANSWER-for level 1, UD is required
How many design scales are there fore infiltration practices? -
ANSWER-3
For check dams in dry swale, what is the max check dam height?
- ANSWER-12"
What is the filter layer in the dry swale? - ANSWER-3" of pea
gravel
Difference in swale slopes for wet swale level 1 and level 2 -
ANSWER-level 1 swale slopes less than 2%, level 2 swale slopes
less than 1%
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Difference between level 1 and level 2 filtering practices -
ANSWER-level 1 is a one cell design and level 2 is a two cell
design
If an E&SC practice is going to be converted to a permanent BMP,
how should the elevations compare? - ANSWER-BMP elevation
should be lower
How long does it generally take to fully establish a vegetated
roof? - ANSWER-12 to 18 months
Erosion and sediment control measures should be used when the
soil compost amended area is what size? - ANSWER-2,500 ft^2
or more
For an earthen embankment, trees must be planted how far
beyond the embankment? - ANSWER-25'
Can vegetated emergency spillways be built into fill? - ANSWER-
No, has to be armored if built into fill
VIRGINIA DEQ SWM PLAN REVIEWER CERTIFICATION EXAM
NEWEST 2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Soil compost amendment. 2nd test taken - ANSWER-At least 1
week after compost has been incorporated
For soil compost amendment prep you must deep till 2-3' with rips
- ANSWER-perpendicular to direction of flow
Difference between extensive and intensive for vegetated roof -
ANSWER-extensive: low plants with 3" to 6" growth medium,
intensive medium 6 to 12"
The vegetated roof leakproof tests involves putting 2" of water
over membrane for - ANSWER-48 hours
Warranty related to vegetative roof suggests - ANSWER-75%
survival after first growing season
,2|Page
Minimum effective vegetated ground cover for flat roofs and for
pitched roofs - ANSWER-75%, 90%
Difference between level 1 and level 2 permeable pavement -
ANSWER-for level 1, UD is required
How many design scales are there fore infiltration practices? -
ANSWER-3
For check dams in dry swale, what is the max check dam height?
- ANSWER-12"
What is the filter layer in the dry swale? - ANSWER-3" of pea
gravel
Difference in swale slopes for wet swale level 1 and level 2 -
ANSWER-level 1 swale slopes less than 2%, level 2 swale slopes
less than 1%
, 3|Page
Difference between level 1 and level 2 filtering practices -
ANSWER-level 1 is a one cell design and level 2 is a two cell
design
If an E&SC practice is going to be converted to a permanent BMP,
how should the elevations compare? - ANSWER-BMP elevation
should be lower
How long does it generally take to fully establish a vegetated
roof? - ANSWER-12 to 18 months
Erosion and sediment control measures should be used when the
soil compost amended area is what size? - ANSWER-2,500 ft^2
or more
For an earthen embankment, trees must be planted how far
beyond the embankment? - ANSWER-25'
Can vegetated emergency spillways be built into fill? - ANSWER-
No, has to be armored if built into fill
