Practice Exam Questions And Correct

Stormwater Inspector Certification Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• The primary purpose of stormwater regulations under the Clean Water

Act is to:

• Increase groundwater injection
• Improve drinking water taste
• Protect water quality in receiving waters
• 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:

• Any site using pesticides
• Construction disturbing one acre or more 1 / 3

• Residential landscaping only
• 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:

• Oil
• Trash
• Sediment
• Bacteria

Rationale: Exposed soil contributes heavy sediment loads to stormwater.

4. A Notice of Intent (NOI) is filed to:

• Close a construction project
• Notify landowners of a sale
• Obtain NPDES permit coverage
• Certify contractor training

Rationale: NOI signals coverage under the construction general permit.

5. BMP stands for:

• Best Mandatory Practice
• Best Management Practice
• Basic Monitoring Program
• Belowground Management Process

Rationale: BMPs are methods to prevent stormwater pollution. 2 / 3

• Which BMP controls sediment at the perimeter of a site?
• Inlet protection
• Silt fence
• Concrete washout
• Good housekeeping

Rationale: Silt fences prevent sediment from leaving site boundaries.

7. Good housekeeping BMPs focus on:

• Using more materials
• Storage and handling of chemicals and wastes
• Expanding the project area
• Increasing runoff

Rationale: These BMPs prevent pollutants from spills and site

contamination.

• Which stormwater phase focuses on preserving existing vegetation?
• Post-construction
• Planning/design
• Construction
• Monitoring

Rationale: Vegetation preservation must be planned before disturbance.

9. The term “erosion” refers to:

• Deposition of soil
• Removal of trash
• / 3