Stormwater Inspector Certification
Practice Exam Questions And Correct
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Rationales 2026 Q&A | Instant
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1. The primary purpose of stormwater regulations under the Clean Water
Act is to:
A. Increase groundwater injection
B. Improve drinking water taste
C. Protect water quality in receiving waters
D. Reduce construction labor costs
Rationale: Stormwater rules aim to prevent pollution from degrading
rivers, lakes, and coastal waters.
2. A Stormwater Pollution Prevention Plan (SWPPP) is required for:
A. Any site using pesticides
B. Construction disturbing one acre or more
,C. Residential landscaping only
D. Parks and schools only
Rationale: EPA requires SWPPP for construction activities ≥1 acre under
NPDES.
3. The primary pollutant of concern from construction sites is:
A. Oil
B. Trash
C. Sediment
D. Bacteria
Rationale: Exposed soil contributes heavy sediment loads to stormwater.
4. A Notice of Intent (NOI) is filed to:
A. Close a construction project
B. Notify landowners of a sale
C. Obtain NPDES permit coverage
D. Certify contractor training
Rationale: NOI signals coverage under the construction general permit.
5. BMP stands for:
A. Best Mandatory Practice
B. Best Management Practice
C. Basic Monitoring Program
D. Belowground Management Process
Rationale: BMPs are methods to prevent stormwater pollution.
, 6. Which BMP controls sediment at the perimeter of a site?
A. Inlet protection
B. Silt fence
C. Concrete washout
D. Good housekeeping
Rationale: Silt fences prevent sediment from leaving site boundaries.
7. Good housekeeping BMPs focus on:
A. Using more materials
B. Storage and handling of chemicals and wastes
C. Expanding the project area
D. Increasing runoff
Rationale: These BMPs prevent pollutants from spills and site
contamination.
8. Which stormwater phase focuses on preserving existing vegetation?
A. Post-construction
B. Planning/design
C. Construction
D. Monitoring
Rationale: Vegetation preservation must be planned before disturbance.
9. The term “erosion” refers to:
A. Deposition of soil
B. Removal of trash
Practice Exam Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. The primary purpose of stormwater regulations under the Clean Water
Act is to:
A. Increase groundwater injection
B. Improve drinking water taste
C. Protect water quality in receiving waters
D. Reduce construction labor costs
Rationale: Stormwater rules aim to prevent pollution from degrading
rivers, lakes, and coastal waters.
2. A Stormwater Pollution Prevention Plan (SWPPP) is required for:
A. Any site using pesticides
B. Construction disturbing one acre or more
,C. Residential landscaping only
D. Parks and schools only
Rationale: EPA requires SWPPP for construction activities ≥1 acre under
NPDES.
3. The primary pollutant of concern from construction sites is:
A. Oil
B. Trash
C. Sediment
D. Bacteria
Rationale: Exposed soil contributes heavy sediment loads to stormwater.
4. A Notice of Intent (NOI) is filed to:
A. Close a construction project
B. Notify landowners of a sale
C. Obtain NPDES permit coverage
D. Certify contractor training
Rationale: NOI signals coverage under the construction general permit.
5. BMP stands for:
A. Best Mandatory Practice
B. Best Management Practice
C. Basic Monitoring Program
D. Belowground Management Process
Rationale: BMPs are methods to prevent stormwater pollution.
, 6. Which BMP controls sediment at the perimeter of a site?
A. Inlet protection
B. Silt fence
C. Concrete washout
D. Good housekeeping
Rationale: Silt fences prevent sediment from leaving site boundaries.
7. Good housekeeping BMPs focus on:
A. Using more materials
B. Storage and handling of chemicals and wastes
C. Expanding the project area
D. Increasing runoff
Rationale: These BMPs prevent pollutants from spills and site
contamination.
8. Which stormwater phase focuses on preserving existing vegetation?
A. Post-construction
B. Planning/design
C. Construction
D. Monitoring
Rationale: Vegetation preservation must be planned before disturbance.
9. The term “erosion” refers to:
A. Deposition of soil
B. Removal of trash
