2025 CERTIFIED STORM WATER OPERATOR (Certified Storm Water Operator (CSWO) and Soil Erosion and Sedimentation Control (SESC) Inspector) ACTUAL TEST COMPLETE

Certified Storm Water Operator Exam b b b b




1. Erosion is the process where soil particles are
b b b b b b b or
b and put in motion. (Unit 1): Ans- Dislodged; detached
b b b b b b bb b




2. Sedimentation is the process whereby detached particles are b b b b b b b




b elsewhere. (Unit 1): Ans- Deposited b b b bb




3. Sediment is solid b b or
particulate matterthat has been removed from its site of origin by
b b b b b b b b b b b




, ,or b




and deposited elsewhere. (Unit 1): Ans- Mineral; organic; water;wind; gravity
b b b b b bb b b b b




4. Accelerated erosion is a speeding up of erosion due to
b b b b b b b b b




activity.(Unit 1): Ans- Human
b b b bb




5. Major erosive forces are water and
b b b b b . (Unit 1): Wind
b b b




6. In some areas, more soil is lost from
b b b b b b b




erosion than fromwater erosion. (Unit 1): Ans- Wind
b b b b b b b bb




7. The effects of
b b erosion are usually more visible than b b b b b




b erosion. (Unit 1): Ans- Water; wind b b b bb b




8. The three categories of overland erosion are: (Unit 1): Ans- Sheet, rill, gully
b b b b b b b b b bb b b




9. b


erosion is the removal of a uniform layer of soil fromrain-
b b b b b b b b b b b




splash and storm water runoff. (Unit 1): Ans- Sheet
b b b b b b b bb




10. The
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, of erosion defines the difference between rills andgullies. (Unit 1): Ans-
b b b b b b b b b b b




bbb Depth
11. The physical factors affecting erosion are: (Unit 1): Climate, vegetative cover,so
b b b b b b b b b b b




ils, slope.
b




12. Erosion and sedimentation may cause:
b b b b




-Loss of b bb b




- b damage to roads, buildings or bridges.
b b b b b




- b , resulting in reduction of fish
b b b b b bb




b , reduced
b or bb b




b capacity, and b costs to maintain b b .
- b loading. (Unit 1): - fertile topsoil
b b b b b




- Structural
- Deposition; spawning areas; channel; storm drain; increased; turbidity
b b b b b b b




- Pollutant
13. The climatic factors that strongly influence erosion and runoff are
b b b b b b b b b




b amount, , and
b




. (Unit1): Rainfall, frequency, intensity.
b b b b b




14. Soil properties influencing erodibility include: (Unit 1): Texture, structure,c
b b b b b b b b b




ohesion, natural drainage class
b b b




15. Texture refers to the b b b or of
b of soil particles in soil. (Unit 1): Size; combination of sizes
b b b b b b b b b b




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, 16. Structure refers to the degree to which individual soil particles
b b b b b b b b b




b to each other. (Unit 1): Adhere
b b b b b




17. Slope , , and
b




b affect erodibility. (Unit 1): Steepness, length, and rough-
b b b b b b b




ness.
b




18. Sediment deposition occurs when soil-laden wind or water
b b b b b b b bb




b enough to allow the soil particles to settle out. (Unit 1): Slows
b b b b b b b b b b b




19. The , , and
b of the trans-
b b




ported particles influence the rate at which they settle out. (Unit 1): Size, shape,an
b b b b b b b b b b b b b b b




d density. b




20. Smaller, lighter particles such as b b b b




particles are easilytransported and are
b b b b b to settle out. (Unit 1): Clay-
b b b b b




sized;slow/difficult b




21. The Five Principles of Erosion and Sedimentation Control are:
b b b b b b b b




- the development to fit the natural site conditions
b b b b b b b




-Expose the b practical area for the b b b pos-
sible time
b b




-Apply bb b




prevention practices as first life ofdefense
b b b b b b




-Apply control practices to prevent off-site sedimenta-
b b b b b




tion
b




-Implement a thorough b b , , and
b




b program. (Unit 1): - Plan b b b b




- Smallest; shortest b




- Soil erosion b




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