CERTIFIED STORM WATER OPERATOR FINAL EXAM | LATEST UPDATED | ACTUAL EXAM QUESTIONS WITH SOLUTIONS | 100% RATED CORRECT | 100% VERFIED SOLTIONS | ALREADY GRADED A+

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CERTIFIED STORM WATER OPERATOR FINAL EXAM | 2025-2026

LATEST UPDATED | ACTUAL EXAM QUESTIONS WITH SOLUTIONS |

100% RATED CORRECT | 100% VERFIED SOLTIONS | ALREADY

GRADED A+

Erosion is the process where soil particles are ______________ or ____________ and put in

motion. (Unit 1) - (ANSWER)Dislodged; detached




Sedimentation is the process whereby detached particles are ___________________ elsewhere.

(Unit 1) - (ANSWER)Deposited




Sediment is solid ________________ or _______________ particulate matter that has been

removed from its site of origin by ___________, _____________, or ______________ and

deposited elsewhere. (Unit 1) - (ANSWER)Mineral; organic; water; wind; gravity




Accelerated erosion is a speeding up of erosion due to ___________activity. (Unit 1) -

(ANSWER)Human




Major erosive forces are water and ___________. (Unit 1) - (ANSWER)Wind

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In some areas, more soil is lost from ______________ erosion than from water erosion. (Unit 1)

- (ANSWER)Wind




The effects of _____________ erosion are usually more visible than _____________ erosion.

(Unit 1) - (ANSWER)Water; wind




The three categories of overland erosion are: (Unit 1) - (ANSWER)Sheet, rill, gully




_____________ erosion is the removal of a uniform layer of soil from rain-splash and storm

water runoff. (Unit 1) - (ANSWER)Sheet




The ____________ of erosion defines the difference between rills and gullies. (Unit 1) -

(ANSWER)Depth




The physical factors affecting erosion are: (Unit 1) - (ANSWER)Climate, vegetative cover, soils,

slope.




Erosion and sedimentation may cause:

-Loss of ___________ _______________

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-__________________ damage to roads, buildings or bridges.

-___________________, resulting in reduction of fish _______________ _________, reduced

_____________ or _______________ _______________ capacity, and ______________ costs

to maintain ______________.

-_________________ loading. (Unit 1) - (ANSWER)- fertile topsoil

- Structural

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

- Pollutant




The climatic factors that strongly influence erosion and runoff are _______________ amount,

_______________, and ________________. (Unit 1) - (ANSWER)Rainfall, frequency, intensity.




Soil properties influencing erodibility include: (Unit 1) - (ANSWER)Texture, structure,

cohesion, natural drainage class




Texture refers to the ___________ or _____________________ of ____________ of soil

particles in soil. (Unit 1) - (ANSWER)Size; combination of sizes




Structure refers to the degree to which individual soil particles _____________ to each other.

(Unit 1) - (ANSWER)Adhere

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Slope _________________, _____________________, and ___________________ affect

erodibility. (Unit 1) - (ANSWER)Steepness, length, and roughness.




Sediment deposition occurs when soil-laden wind or water ____________ enough to allow the

soil particles to settle out. (Unit 1) - (ANSWER)Slows




The ____________, _______________, and ________________ of the transported particles

influence the rate at which they settle out. (Unit 1) - (ANSWER)Size, shape, and density.




Smaller, lighter particles such as __________________ particles are easily transported and are

_____________________ to settle out. (Unit 1) - (ANSWER)Clay-sized; slow/difficult




The Five Principles of Erosion and Sedimentation Control are:

-____________ the development to fit the natural site conditions

-Expose the ________________ practical area for the _________________ possible time

-Apply __________ _________________ prevention practices as first life of defense

-Apply ___________________ control practices to prevent off-site sedimentation