Exam (elaborations)
CESSWI Exam with correct answers
- Course
- Institution
CESSWI Exam with correct answers
[Show more]
Seller
Follow
Content preview
CESSWI Exam with correct answersErosion - correct answer -process in which, by the actions of wind and/or water, soil particles detached
and transported
Sediment - correct answer -eroded material suspended in wind or water
Sedimentation - correct answer -deposition of eroded material
Types of Erosion - correct answer -splash
sheet
rill
gully
channel
Splash erosion - correct answer -raindrop impact energy is enough to dislodge surface sediments
sheet erosion - correct answer -caused by rain splash detaching soil particles lifting them up and
removing them by shallow "sheets" of water flowing down the sloped soil surface
Rill Erosion - correct answer -as flow concentrates, small channels begin to form in the soil surface
Gully Erosion - correct answer -Formed when runoff cuts rills deeper and wider or when flows from
several rills come together and form a large channels
Channel Erosion - correct answer -may become unstable due to increased flows or changes in upstream
sediment load
Natural erosion - correct answer -generally considered due to the influences of climate on the surface of
the earth
,Accelerated erosion - correct answer -natural erosion plus human activities
What problems can accelerated erosion cause? - correct answer -Unrestricted development
removal of surface cover
increased imperviousness
poor stewardship
Problems associated with construction related erosion - correct answer -problems for down slope
property owners
nuisance problems on streets
clog streams and storm drains
increased turbidity downstream
cover sensitive habitat with sediment
Identify instream damages of sediment - correct answer -destruction of spawning areas, food sources,
habitat
direct toxicity to wildlife
lake degradation
filling of navigation channels
impacts to commercial fisheries
reduction of water storage capacities
Suspended material - correct answer -sediment can affect light penetration, channel stability, fisheries
and habitat
Name Off stream damages - correct answer -Increased flood hazards
increased water treatment costs
decreased capacity in conveyance facilities
higher infrastructure maintenance costs
,What has increased the amount of impervious surface in our watersheds? - correct answer -
Urbanization and development
priority pollutants include - correct answer -nutrients
pathogens
heavy metals
toxics
sediment
salts
detergents
hydro carbons
Clean Water Act (CWA) - correct answer -Federal Water Pollution Control Act enacted to restore and
maintain the chemical, physical and biological integrity of the waters of the US
administered by USEPA
Section 401 - correct answer -water quality certification
requires applicant, including any construction or operation of a facility, to obtain certification to
discharge ANY pollutant.
administered by the State
Section 402 - correct answer -NPDES Regs
NPDES - correct answer -National Pollutant Discharge Elimination System
MS4 - correct answer -Municipal Separate Storm Sewers Systems
NURP - correct answer -Nationwide Urban Runoff Program
, 1987-1983
led to EPA regulating stormwater
Phase I
(1987 - 1992) - correct answer -already covered by NPDES permit
facilities that engage in industrial activity
Large municipal storm systems (>250,000)
Medium municipal storms systems (100 - 250 K)
facilities that EPA said were significant contributors
Storm Water Implementation Rule - correct answer -enacted April 1992, identified minimum
requirements for NPDES stormwater permits
Section 404 - correct answer -regulates dredge / fill permitting into waters of the US administered by
USACE
CZARA - correct answer -Coastal Zone Act Reauthorization Amendments (CZARA) of 1990 requires
coastal zone states to develop Coastal Nonpoint Pollution Control Programs
section 6217 nonpoint source in coastal areas
stormwater - correct answer -stormwater runoff, snow melt runoff, and surface runoff and drainage
NPDES stormwater regulation say - correct answer -stormwater must be in any discernable, confined,
and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, well, discrete
fissure, container, rolling stock, concentrated feeding operation....
waters of the US - correct answer -waters used for interstate or foreign commerce
all interstate waters including wetlands
all other waters, the use ofr degeration of which would affect interstate or foreign commerce
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Lectphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81989 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now