Sedimentation and erosion control certification 2026/2027 Exam
verified with correct answers
Four principle factors influencing soil erosion are- answer>>>soil characteristics,
vegetative cover, topography, climate
Physical effects of erosion and sedimentation- answer>>>increase flooding, reduce
hydraulic capacity, increased maintenance of storm water systems, increased water
treatment costs, decreased recreational value
Biological effects of erosion and sedimentation- answer>>>reduced light for aquatic
plants, clogs fish gills, impairs spawning, disrupts food chain, blankets bottom, disrupts
ecosystem
Minimize the _______ of the area exposed at one time and the ______ of exposure-
answer>>>extent, duration
Apply __________ practices to protect the disturbed area from off-site runoff and to
protect off-site areas from sediment damage- answer>>>perimeter control
Apply ________ practices to prevent excessive on site damage- answer>>>erosion
control
Keep runoff velocities _____ and _____ runoff on site- answer>>>low , retain
Stabilize disturbed areas ________ after final grading- answer>>>inmediately
Implement a thorough ____ and ____ (inspection) program- answer>>>maintenance,
follow up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples-
answer>>>high, low (Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples-
answer>>>low, high (muck, clay)
Based on EPA guidance, FDEP has determined that ______ also meet the definition of
construction activities- answer>>>demolition
Any type of soil disturbance over 1 acre must get ______ permit- answer>>>CGP
(Construction Generic Permit)
A CGP is required for projects that disturb _____ or more acres of land- answer>>>1
, The CGP permit requires inspections how often?- answer>>>weekly and within 24
hours of the end of a storm 1/2 inch or greater
A storm water event with a ______ hour break in between is still considered one storm
water event- answer>>>4
The CGP permit requires sediment basins for areas _____ or more- answer>>>10
acres
Any BPM that collects sediment must be cleaned before it reaches _____ of it's
capacity- answer>>>50%
Never service construction equipment near a live stream, use storm water sewers
instead T/F- answer>>>False
A temporary gravel construction entrance must extend the full width of the entrance. It
must be at least _____ ft long and _____ in thick. Aggregate should be _____ in stone
or FDOT No. _____ stone- answer>>>50, 6, 2, 1
Prior to installing gravel entrance ______ should be placed on the ground and
maintenance should be performed when the voids are full of ______-
answer>>>geotextile, sediment
Max drainage are for a silt fence under _____ flow conditions is ____ acre per 100 ft of
barrier length- answer>>>sheet, 1/4
The average usable life of a silt fence is ____ months- answer>>>6
For proper installation of silt fence a trench ____ by _____ must be excavated. This will
allow_______ of fabric to extend into the ground for back-filling and compaction-
answer>>>4, 4, 8
Max drainage area for an inlet protection is ______- answer>>>1 acre
Purpose of a sediment trap is to _____ turbid water- answer>>>detain
Erosion- answer>>>is the process by which land surface is worn away by the action of
wind, water, and gravity.
Sedimentation- answer>>>is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion- answer>>>wind , water
Water erosion can be classified as either ______ erosion or _____ erosion-
answer>>>overland , stream
verified with correct answers
Four principle factors influencing soil erosion are- answer>>>soil characteristics,
vegetative cover, topography, climate
Physical effects of erosion and sedimentation- answer>>>increase flooding, reduce
hydraulic capacity, increased maintenance of storm water systems, increased water
treatment costs, decreased recreational value
Biological effects of erosion and sedimentation- answer>>>reduced light for aquatic
plants, clogs fish gills, impairs spawning, disrupts food chain, blankets bottom, disrupts
ecosystem
Minimize the _______ of the area exposed at one time and the ______ of exposure-
answer>>>extent, duration
Apply __________ practices to protect the disturbed area from off-site runoff and to
protect off-site areas from sediment damage- answer>>>perimeter control
Apply ________ practices to prevent excessive on site damage- answer>>>erosion
control
Keep runoff velocities _____ and _____ runoff on site- answer>>>low , retain
Stabilize disturbed areas ________ after final grading- answer>>>inmediately
Implement a thorough ____ and ____ (inspection) program- answer>>>maintenance,
follow up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples-
answer>>>high, low (Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples-
answer>>>low, high (muck, clay)
Based on EPA guidance, FDEP has determined that ______ also meet the definition of
construction activities- answer>>>demolition
Any type of soil disturbance over 1 acre must get ______ permit- answer>>>CGP
(Construction Generic Permit)
A CGP is required for projects that disturb _____ or more acres of land- answer>>>1
, The CGP permit requires inspections how often?- answer>>>weekly and within 24
hours of the end of a storm 1/2 inch or greater
A storm water event with a ______ hour break in between is still considered one storm
water event- answer>>>4
The CGP permit requires sediment basins for areas _____ or more- answer>>>10
acres
Any BPM that collects sediment must be cleaned before it reaches _____ of it's
capacity- answer>>>50%
Never service construction equipment near a live stream, use storm water sewers
instead T/F- answer>>>False
A temporary gravel construction entrance must extend the full width of the entrance. It
must be at least _____ ft long and _____ in thick. Aggregate should be _____ in stone
or FDOT No. _____ stone- answer>>>50, 6, 2, 1
Prior to installing gravel entrance ______ should be placed on the ground and
maintenance should be performed when the voids are full of ______-
answer>>>geotextile, sediment
Max drainage are for a silt fence under _____ flow conditions is ____ acre per 100 ft of
barrier length- answer>>>sheet, 1/4
The average usable life of a silt fence is ____ months- answer>>>6
For proper installation of silt fence a trench ____ by _____ must be excavated. This will
allow_______ of fabric to extend into the ground for back-filling and compaction-
answer>>>4, 4, 8
Max drainage area for an inlet protection is ______- answer>>>1 acre
Purpose of a sediment trap is to _____ turbid water- answer>>>detain
Erosion- answer>>>is the process by which land surface is worn away by the action of
wind, water, and gravity.
Sedimentation- answer>>>is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion- answer>>>wind , water
Water erosion can be classified as either ______ erosion or _____ erosion-
answer>>>overland , stream