CERTIFIED STORM WATER OPERATOR
ACTUAL EXAM PAPER 2026 FULL
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● 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 PAPER 2026 FULL
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● 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
