CEPSCI PRACTICE Questions and
Answers A+ Graded (2025)
1972 .clean .water .act .- .CORRECT .ANSWER-Administered .by .the .US
.environmental .protection .agency .(EPA) .Created .the .NPDES
1987 .- .CORRECT .ANSWER-Amendment .to .CWA .CALLED .WATER .QUALITY .ACT
NPDES .in .south .carolina .- .CORRECT .ANSWER-South .Carolina .is .NPDES
.delegated .state.
NPDES .regulations .are .administered .by .- .CORRECT .ANSWER-SCDHEC
CGP .authorizes .- .CORRECT .ANSWER-stormwater .discharges .from .construction
.sites
Who .must .obtain .NPDES .coverage .- .CORRECT .ANSWER-land .disturbing
.activities .greater .than .or .equal .to .1 .acre
-land .disturbance .less .than .1 .ac .within .1/2 .miles .of .water .body .in .SC .costal .zone
NPDES .permits .are .issued .to .- .CORRECT .ANSWER-operator-person .or .company
.for .a .particular .discharge
primary .permittee .- .CORRECT .ANSWER--has .day .to .day .operational .control .to
.ensure .compliance .with .SWPP
-typically .the .owner .or .developer
primary .permittee .responsibilites .- .CORRECT .ANSWER-submit .NOI, .Preparation
.of .the .C_SWPPP
Secondary .permittee .- .CORRECT .ANSWER-individual .lot .owner .or .residential
.builder .that .conducts .land .disturbing .activity .limited .to .an .individual .lot .or
.group .of .lots .as .part .of .approved .LCP .of .development
contractors .- .CORRECT .ANSWER-must .on .Contractor .Certification- .D-0437
On-Site .SWPPP .- .CORRECT .ANSWER-SCDHEC .CGP, .NOI, .NPDES .coverage
.approval .letter, .Contractor .Certifications, .Local .Approvals, .USACE .approvals,
.Critical .area .permit(coast)
, OS_SWPPP .- .CORRECT .ANSWER-a .copy .of .signed .and .certified .SWPPP, .NOI,
.and .CGP .coverage .letter .from .DHEC . must .be .retained .at .site .or .electronically
.accessible
minor .modification .to .ON-SWPPP .- .CORRECT .ANSWER-minor .modifications
.made .directly .in .the .field,do .not .need .approval .by .DHEC- .additional .BMP's,
.removal .of .disturbed .areas
major .modifications .to .OS-SWPPP .- .CORRECT .ANSWER-must .be .made .by
.qualified .individual .and .submitted .to .DHEC .or .appropriate .delegated .entity .for
.approval
Phased .plan .requirement .> .5 .- .CORRECT .ANSWER-include .a .phased .stormwater
.management .plan .which .identifies .all .BMP's .and .grading .work .conducted .during
.a .specific .portion .of .the .sites .construction .sequence. .Each .phase .identified .on
.at .least .one .separate .plan .sheet.
Phased .plan .requirement .< .10 .but .> .5 .acres .- .CORRECT .ANSWER-at .least .two
.separate .plan .phases .are .required .- .initial .land .disturbance .phase .- .stabilization
.phase
Phased .plan .requirement .≥ .10 .acres .- .CORRECT .ANSWER-at .least .3 .separate
.plan .phases .are .required .- .initial .land .disturbance .phase .- .construction .phase .-
.stabilization .phase
All .compliance .inspection .must .include .invesg. .of, .at .a .minimum .of .5 .of .the
.following .- .CORRECT .ANSWER-1. .areas .of .site .disturbed .by .construction
.activity .and .areas .used .for .storage .of .materials .exposed .to .precipitation
2. .stormwater .conveyance .systems .for .evidence .of .sediment
3. .BMP's .identified .in .OS-SWPPP
4. .Discharge .location .to .investigate .if .sediment .leaving .site, .or .if .such .locations
.are .inaccessible, .nearby .downstream .location .if .possible.
5. .Where .vehicles .enter .or .exit .site .for .evidence .of .off-site .sediment .tracking.
inspection .frequency .after .construction .begins .- .CORRECT .ANSWER-at .least
.once .a .week .or .within .24 .hours .of .end .of .storm .event .>0.5 .inches
Inspection .frequency .for .sites .that .have .reached .temporary .stablization .-
.CORRECT .ANSWER-Once .every . month
Linear .site .inspection .- .CORRECT .ANSWER-linear .activites .may .limit .access .to
.disturbed .areas, .in .such .cases .representative .inspections .may .be .performed
representative .inspections .(linear .site .inspection) .- .CORRECT .ANSWER-
personnel .must .investigate .BMP's .along .the .site .for .0.25 .miles .above .and .below
.each .access .point .where .the .site .intersects .with .-roadway .- .undisturbed .right .of
.way .- .other .similar .feature- .Condition .along .each .inspected .segment .are
.considered ."respresentative" .along .that .reach .of .construction
Answers A+ Graded (2025)
1972 .clean .water .act .- .CORRECT .ANSWER-Administered .by .the .US
.environmental .protection .agency .(EPA) .Created .the .NPDES
1987 .- .CORRECT .ANSWER-Amendment .to .CWA .CALLED .WATER .QUALITY .ACT
NPDES .in .south .carolina .- .CORRECT .ANSWER-South .Carolina .is .NPDES
.delegated .state.
NPDES .regulations .are .administered .by .- .CORRECT .ANSWER-SCDHEC
CGP .authorizes .- .CORRECT .ANSWER-stormwater .discharges .from .construction
.sites
Who .must .obtain .NPDES .coverage .- .CORRECT .ANSWER-land .disturbing
.activities .greater .than .or .equal .to .1 .acre
-land .disturbance .less .than .1 .ac .within .1/2 .miles .of .water .body .in .SC .costal .zone
NPDES .permits .are .issued .to .- .CORRECT .ANSWER-operator-person .or .company
.for .a .particular .discharge
primary .permittee .- .CORRECT .ANSWER--has .day .to .day .operational .control .to
.ensure .compliance .with .SWPP
-typically .the .owner .or .developer
primary .permittee .responsibilites .- .CORRECT .ANSWER-submit .NOI, .Preparation
.of .the .C_SWPPP
Secondary .permittee .- .CORRECT .ANSWER-individual .lot .owner .or .residential
.builder .that .conducts .land .disturbing .activity .limited .to .an .individual .lot .or
.group .of .lots .as .part .of .approved .LCP .of .development
contractors .- .CORRECT .ANSWER-must .on .Contractor .Certification- .D-0437
On-Site .SWPPP .- .CORRECT .ANSWER-SCDHEC .CGP, .NOI, .NPDES .coverage
.approval .letter, .Contractor .Certifications, .Local .Approvals, .USACE .approvals,
.Critical .area .permit(coast)
, OS_SWPPP .- .CORRECT .ANSWER-a .copy .of .signed .and .certified .SWPPP, .NOI,
.and .CGP .coverage .letter .from .DHEC . must .be .retained .at .site .or .electronically
.accessible
minor .modification .to .ON-SWPPP .- .CORRECT .ANSWER-minor .modifications
.made .directly .in .the .field,do .not .need .approval .by .DHEC- .additional .BMP's,
.removal .of .disturbed .areas
major .modifications .to .OS-SWPPP .- .CORRECT .ANSWER-must .be .made .by
.qualified .individual .and .submitted .to .DHEC .or .appropriate .delegated .entity .for
.approval
Phased .plan .requirement .> .5 .- .CORRECT .ANSWER-include .a .phased .stormwater
.management .plan .which .identifies .all .BMP's .and .grading .work .conducted .during
.a .specific .portion .of .the .sites .construction .sequence. .Each .phase .identified .on
.at .least .one .separate .plan .sheet.
Phased .plan .requirement .< .10 .but .> .5 .acres .- .CORRECT .ANSWER-at .least .two
.separate .plan .phases .are .required .- .initial .land .disturbance .phase .- .stabilization
.phase
Phased .plan .requirement .≥ .10 .acres .- .CORRECT .ANSWER-at .least .3 .separate
.plan .phases .are .required .- .initial .land .disturbance .phase .- .construction .phase .-
.stabilization .phase
All .compliance .inspection .must .include .invesg. .of, .at .a .minimum .of .5 .of .the
.following .- .CORRECT .ANSWER-1. .areas .of .site .disturbed .by .construction
.activity .and .areas .used .for .storage .of .materials .exposed .to .precipitation
2. .stormwater .conveyance .systems .for .evidence .of .sediment
3. .BMP's .identified .in .OS-SWPPP
4. .Discharge .location .to .investigate .if .sediment .leaving .site, .or .if .such .locations
.are .inaccessible, .nearby .downstream .location .if .possible.
5. .Where .vehicles .enter .or .exit .site .for .evidence .of .off-site .sediment .tracking.
inspection .frequency .after .construction .begins .- .CORRECT .ANSWER-at .least
.once .a .week .or .within .24 .hours .of .end .of .storm .event .>0.5 .inches
Inspection .frequency .for .sites .that .have .reached .temporary .stablization .-
.CORRECT .ANSWER-Once .every . month
Linear .site .inspection .- .CORRECT .ANSWER-linear .activites .may .limit .access .to
.disturbed .areas, .in .such .cases .representative .inspections .may .be .performed
representative .inspections .(linear .site .inspection) .- .CORRECT .ANSWER-
personnel .must .investigate .BMP's .along .the .site .for .0.25 .miles .above .and .below
.each .access .point .where .the .site .intersects .with .-roadway .- .undisturbed .right .of
.way .- .other .similar .feature- .Condition .along .each .inspected .segment .are
.considered ."respresentative" .along .that .reach .of .construction
