NPDES Stormwater Pollution
Prevention Plan (SWPPP) Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of a Stormwater Pollution Prevention
Plan (SWPPP) under NPDES requirements?
A. To increase construction productivity
B. To document methods for preventing stormwater pollution from a site
C. To replace all environmental permits
D. To eliminate the need for inspections
Answer: B. To document methods for preventing stormwater pollution
from a site
A SWPPP identifies potential pollution sources and establishes best
management practices (BMPs) to reduce pollutants discharged through
stormwater runoff.
, 2. NPDES stands for which of the following?
A. National Pollution Discharge Evaluation System
B. National Permit Drainage Enforcement System
C. National Pollutant Discharge Elimination System
D. National Prevention of Drainage Erosion System
Answer: C. National Pollutant Discharge Elimination System
NPDES is a federal permitting program that regulates pollutant discharges
into waters of the United States, including stormwater discharges.
3. Which federal agency administers the NPDES program?
A. OSHA
B. EPA
C. FEMA
D. DOT
Answer: B. EPA
The Environmental Protection Agency establishes and oversees NPDES
requirements, although some states administer approved programs.
4. The main concern addressed by a SWPPP is the control of:
A. Noise pollution
B. Air emissions
,C. Stormwater-related pollutants
D. Worker injuries
Answer: C. Stormwater-related pollutants
A SWPPP focuses on preventing pollutants such as sediment, chemicals,
and debris from leaving a site through stormwater runoff.
5. Which construction activity commonly requires an NPDES stormwater
permit?
A. Disturbing one or more acres of land
B. Painting interior walls
C. Replacing office furniture
D. Routine landscaping without soil disturbance
Answer: A. Disturbing one or more acres of land
Construction activities disturbing land areas commonly require coverage
under NPDES stormwater permits.
6. Who is typically responsible for implementing a SWPPP on a
construction site?
A. Visitors
B. Site owner or designated operator
, C. Nearby residents
D. Equipment manufacturers
Answer: B. Site owner or designated operator
The permittee or responsible operator must ensure SWPPP measures are
installed, maintained, and followed.
7. A SWPPP should identify:
A. Employee vacation schedules
B. Potential sources of stormwater pollution
C. Company advertising plans
D. Equipment purchase orders
Answer: B. Potential sources of stormwater pollution
Identifying pollution sources allows the site to establish appropriate
control measures.
8. Which pollutant is most commonly associated with construction
stormwater runoff?
A. Sediment
B. Oxygen
C. Nitrogen gas
D. Clean water
Prevention Plan (SWPPP) Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of a Stormwater Pollution Prevention
Plan (SWPPP) under NPDES requirements?
A. To increase construction productivity
B. To document methods for preventing stormwater pollution from a site
C. To replace all environmental permits
D. To eliminate the need for inspections
Answer: B. To document methods for preventing stormwater pollution
from a site
A SWPPP identifies potential pollution sources and establishes best
management practices (BMPs) to reduce pollutants discharged through
stormwater runoff.
, 2. NPDES stands for which of the following?
A. National Pollution Discharge Evaluation System
B. National Permit Drainage Enforcement System
C. National Pollutant Discharge Elimination System
D. National Prevention of Drainage Erosion System
Answer: C. National Pollutant Discharge Elimination System
NPDES is a federal permitting program that regulates pollutant discharges
into waters of the United States, including stormwater discharges.
3. Which federal agency administers the NPDES program?
A. OSHA
B. EPA
C. FEMA
D. DOT
Answer: B. EPA
The Environmental Protection Agency establishes and oversees NPDES
requirements, although some states administer approved programs.
4. The main concern addressed by a SWPPP is the control of:
A. Noise pollution
B. Air emissions
,C. Stormwater-related pollutants
D. Worker injuries
Answer: C. Stormwater-related pollutants
A SWPPP focuses on preventing pollutants such as sediment, chemicals,
and debris from leaving a site through stormwater runoff.
5. Which construction activity commonly requires an NPDES stormwater
permit?
A. Disturbing one or more acres of land
B. Painting interior walls
C. Replacing office furniture
D. Routine landscaping without soil disturbance
Answer: A. Disturbing one or more acres of land
Construction activities disturbing land areas commonly require coverage
under NPDES stormwater permits.
6. Who is typically responsible for implementing a SWPPP on a
construction site?
A. Visitors
B. Site owner or designated operator
, C. Nearby residents
D. Equipment manufacturers
Answer: B. Site owner or designated operator
The permittee or responsible operator must ensure SWPPP measures are
installed, maintained, and followed.
7. A SWPPP should identify:
A. Employee vacation schedules
B. Potential sources of stormwater pollution
C. Company advertising plans
D. Equipment purchase orders
Answer: B. Potential sources of stormwater pollution
Identifying pollution sources allows the site to establish appropriate
control measures.
8. Which pollutant is most commonly associated with construction
stormwater runoff?
A. Sediment
B. Oxygen
C. Nitrogen gas
D. Clean water
