CPESC Exam Questions and Correct Answers Latest
Update 2024
The process in which, by the actions of wind or water, soil particles are detached and transported. - ANS ✔✔ - Erosion
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Eroded material suspended in wind or water. - ANS ✔✔ - Sediment
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The deposition of eroded material. - ANS ✔✔ - Sedimentation
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What bears the impact of quantity and quality degradation from erosion? - ANS ✔✔ - Receiving Waters
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Raindrop impact energy is enough to dislodge surface sediment. - ANS ✔✔ - Splash Erosion
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Rain splash detaching soil particles lifting them up and removing them by shallow "sheets" of water flowing down the
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sloped soil surface. - ANS ✔✔ - Sheet Erosion
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As flow concentrates, small channels begin to form in the soil surface. - ANS ✔✔ - Rill Erosion
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Runoff cuts rills deeper and wider or several rills join to form a large channel. - ANS ✔✔ - Gully Erosion
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Channels become unstable due to increased flows or changes in upstream sediment load. - ANS ✔✔ - Channel Erosion
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Can happen when erosion left unattended. - ANS ✔✔ - Slope Failure
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Erosion due to the influence of climatic forces on the surface of the earth. - ANS ✔✔ - Natural Erosion
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Natural Erosion + Human Activities - ANS ✔✔ - Accelerated Erosion
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1. Unrestricted development
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2. Removal of surface cover
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3. Increased Imperviousness
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4. Poor stewardship - ANS ✔✔ - What can accelerate erosion?
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1. problems for downslope property owners
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2. problems on adjacent streets
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3. clog streams and storm drains
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4. cause turbidity blumes in downstream water bodies
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5. cumulative toll on the environment can be devastating - ANS ✔✔ - Construction related erosion can cause what
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problems?
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Nutrients, pesticides, bacteria, toxic substances, etc. transported with eroded sediment
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Uncontrolled construction site sediment loads exceed hundreds of tons per acre per year - ANS ✔✔ - Pollutant exports
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during construction
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1. Destruction of spawning areas, food sources, habitat
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2. Direct toxicity to wildlife
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3. Lake degradation
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4. Filling of channels
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5. Commercial fishery impacts
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6. Reduced water storage capacity - ANS ✔✔ - Damages to streams caused by erosion
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To restore and maintain the beneficial uses of out Nation's waters. - ANS ✔✔ - Stormwater Regulations purpose?
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, EPA - ANS ✔✔ - Who has ultimate regulatory authority?
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-Federal regulation iu
-Purpose -> restore and maintain the chemical, physical, and biological integrity of our nations waters
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-Goal -> eliminate pollutants to Nations water
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-> restore Nations waters to their designated use - ANS ✔✔ - Clean Water Act
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Water Quality Certification required for any applicant for a federal permit to conduct an activity which may result in the
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discharge of any pollutant
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Certification granted by state - ANS ✔✔ - CWA Section 401 iu iu iu iu iu iu iu iu iu iu
NPDES (National Pollutant Discharge Elimination System)
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-agriculture, silviculture, and oil & gas exampt - ANS ✔✔ - CWA Section 402
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Regulated discharge of dredged or fill material into the waters of the US
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Administered by Army Corp - ANS ✔✔ - CWA Section 404 iu iu iu iu iu iu iu iu iu iu
Coastal Zone Act Reauthorization Amendments - ANS ✔✔ - CZARA
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All waters (including tribs) and wetlands used for interstate or commerce - ANS ✔✔ - Waters of the US
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CWA section stating states must adopt water quality standards ---> define designated uses and TMDLs - ANS ✔✔ -
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CWA Section 303
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Amount of a particular pollutant that a water can absorb on a daily basis without violating WQ standards - ANS ✔✔ -
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TMDL
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Portion of TMDL is allocated to each source of pollutant within a particular watershed - ANS ✔✔ - Waste Load
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Allocation
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-ES controls
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-stabilize slopes iu
-manage dewater activities iu iu
-implement pollution prevention measures iu iu iu
-prohibit certain details iu iu
-utilize surface outlets for discharges from basins and impoundments - ANS ✔✔ - Effluent Limitations Guidelines (ELGs)
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Requirements
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-Administrative Orders iu
-Civil Actions iu
-Criminal ProsecutionsMa - ANS ✔✔ - Types of EPA Enforcements
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$37,500 - ANS ✔✔ - Max Civil Penaltyiu iu iu iu iu iu iu
$250,000-$1,000,000 - ANS ✔✔ - Criminal Penalty iu iu iu iu iu iu
-Industrial, Construction, or Multi-sector Activities iu iu iu iu
-Requires a SWPP and NOI - ANS ✔✔ - General NPDES iu iu iu iu iu iu iu iu iu iu
-Specific activity at specific location iu iu iu iu
-Required NOI - ANS ✔✔ - Individual NPDES iu iu iu iu iu iu iu
-Rainfall Characteristics iu
-Soil Erodibility
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-Topography
-Vegetative Cover iu
-Season
-Climate - ANS ✔✔ - Factors effecting erosion
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