CPESC EXAM
CPESC Exam 2025 All Sections
Questions and Answers | Already
Graded A+
The process in which, by the actions of wind or water, soil particles are detached and
transported. -Correct Answer ✔Erosion
Eroded material suspended in wind or water. -Correct Answer ✔Sediment
The deposition of eroded material. -Correct Answer ✔Sedimentation
What bears the impact of quantity and quality degradation from erosion? -Correct
Answer ✔Receiving Waters
Raindrop impact energy is enough to dislodge surface sediment. -Correct Answer
✔Splash Erosion
Rain splash detaching soil particles lifting them up and removing them by shallow
"sheets" of water flowing down the sloped soil surface. -Correct Answer ✔Sheet Erosion
As flow concentrates, small channels begin to form in the soil surface. -Correct Answer
✔Rill Erosion
Runoff cuts rills deeper and wider or several rills join to form a large channel. -Correct
Answer ✔Gully Erosion
Channels become unstable due to increased flows or changes in upstream sediment
load. -Correct Answer ✔Channel Erosion
Can happen when erosion left unattended. -Correct Answer ✔Slope Failure
Erosion due to the influence of climatic forces on the surface of the earth. -Correct
Answer ✔Natural Erosion
Natural Erosion + Human Activities -Correct Answer ✔Accelerated Erosion
1. Unrestricted development
2. Removal of surface cover
3. Increased Imperviousness
4. Poor stewardship -Correct Answer ✔What can accelerate erosion?
CPESC EXAM
, CPESC EXAM
1. problems for downslope property owners
2. problems on adjacent streets
3. clog streams and storm drains
4. cause turbidity blumes in downstream water bodies
5. cumulative toll on the environment can be devastating -Correct Answer
✔Construction related erosion can cause what problems?
Nutrients, pesticides, bacteria, toxic substances, etc. transported with eroded sediment
Uncontrolled construction site sediment loads exceed hundreds of tons per acre per
year -Correct Answer ✔Pollutant exports during construction
1. Destruction of spawning areas, food sources, habitat
2. Direct toxicity to wildlife
3. Lake degradation
4. Filling of channels
5. Commercial fishery impacts
6. Reduced water storage capacity -Correct Answer ✔Damages to streams caused by
erosion
To restore and maintain the beneficial uses of out Nation's waters. -Correct Answer
✔Stormwater Regulations purpose?
EPA -Correct Answer ✔Who has ultimate regulatory authority?
-Federal regulation
-Purpose -> restore and maintain the chemical, physical, and biological integrity of our
nations waters
-Goal -> eliminate pollutants to Nations water
-> restore Nations waters to their designated use -Correct Answer ✔Clean Water Act
Water Quality Certification required for any applicant for a federal permit to conduct an
activity which may result in the discharge of any pollutant
Certification granted by state -Correct Answer ✔CWA Section 401
NPDES (National Pollutant Discharge Elimination System)
-agriculture, silviculture, and oil & gas exampt -Correct Answer ✔CWA Section 402
Regulated discharge of dredged or fill material into the waters of the US
Administered by Army Corp -Correct Answer ✔CWA Section 404
Coastal Zone Act Reauthorization Amendments -Correct Answer ✔CZARA
CPESC EXAM
CPESC Exam 2025 All Sections
Questions and Answers | Already
Graded A+
The process in which, by the actions of wind or water, soil particles are detached and
transported. -Correct Answer ✔Erosion
Eroded material suspended in wind or water. -Correct Answer ✔Sediment
The deposition of eroded material. -Correct Answer ✔Sedimentation
What bears the impact of quantity and quality degradation from erosion? -Correct
Answer ✔Receiving Waters
Raindrop impact energy is enough to dislodge surface sediment. -Correct Answer
✔Splash Erosion
Rain splash detaching soil particles lifting them up and removing them by shallow
"sheets" of water flowing down the sloped soil surface. -Correct Answer ✔Sheet Erosion
As flow concentrates, small channels begin to form in the soil surface. -Correct Answer
✔Rill Erosion
Runoff cuts rills deeper and wider or several rills join to form a large channel. -Correct
Answer ✔Gully Erosion
Channels become unstable due to increased flows or changes in upstream sediment
load. -Correct Answer ✔Channel Erosion
Can happen when erosion left unattended. -Correct Answer ✔Slope Failure
Erosion due to the influence of climatic forces on the surface of the earth. -Correct
Answer ✔Natural Erosion
Natural Erosion + Human Activities -Correct Answer ✔Accelerated Erosion
1. Unrestricted development
2. Removal of surface cover
3. Increased Imperviousness
4. Poor stewardship -Correct Answer ✔What can accelerate erosion?
CPESC EXAM
, CPESC EXAM
1. problems for downslope property owners
2. problems on adjacent streets
3. clog streams and storm drains
4. cause turbidity blumes in downstream water bodies
5. cumulative toll on the environment can be devastating -Correct Answer
✔Construction related erosion can cause what problems?
Nutrients, pesticides, bacteria, toxic substances, etc. transported with eroded sediment
Uncontrolled construction site sediment loads exceed hundreds of tons per acre per
year -Correct Answer ✔Pollutant exports during construction
1. Destruction of spawning areas, food sources, habitat
2. Direct toxicity to wildlife
3. Lake degradation
4. Filling of channels
5. Commercial fishery impacts
6. Reduced water storage capacity -Correct Answer ✔Damages to streams caused by
erosion
To restore and maintain the beneficial uses of out Nation's waters. -Correct Answer
✔Stormwater Regulations purpose?
EPA -Correct Answer ✔Who has ultimate regulatory authority?
-Federal regulation
-Purpose -> restore and maintain the chemical, physical, and biological integrity of our
nations waters
-Goal -> eliminate pollutants to Nations water
-> restore Nations waters to their designated use -Correct Answer ✔Clean Water Act
Water Quality Certification required for any applicant for a federal permit to conduct an
activity which may result in the discharge of any pollutant
Certification granted by state -Correct Answer ✔CWA Section 401
NPDES (National Pollutant Discharge Elimination System)
-agriculture, silviculture, and oil & gas exampt -Correct Answer ✔CWA Section 402
Regulated discharge of dredged or fill material into the waters of the US
Administered by Army Corp -Correct Answer ✔CWA Section 404
Coastal Zone Act Reauthorization Amendments -Correct Answer ✔CZARA
CPESC EXAM
