CERTIFIED STORM WATER OPERATOR TEST
ACTUAL EXAM 2026 COMPLETE PRACTICE
QUESTIONS WITH ANSWERS AND
STORMWATER MANAGEMENT REVIEW
◉ 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
◉ 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 ___________ _______________
-__________________ 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
◉ 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
ACTUAL EXAM 2026 COMPLETE PRACTICE
QUESTIONS WITH ANSWERS AND
STORMWATER MANAGEMENT REVIEW
◉ 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
◉ 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 ___________ _______________
-__________________ 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
◉ 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
