Cesswi Exam Questions and Correct Answers | Latest Update
2026/2027 | Graded A+ | 100% Assured Pass
Identify instream damages of sediment
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
sediment can affect light penetration, channel stability, fisheries and habitat
Name Off stream damages
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?
Urbanization and development
,priority pollutants include
nutrients
pathogens
heavy
metals
toxics
sediment
salts
detergents
hydro carbons
Clean Water Act (CWA)
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
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
NPDES Regs
NPDES
National Pollutant Discharge Elimination System
,MS4
Municipal Separate Storm Sewers Systems
NURP
Nationwide Urban Runoff
Program 1987-1983
led to EPA regulating stormwater
Phase I
(1987 -
1992)
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
enacted April 1992, identified minimum requirements for NPDES stormwater
permits
Section 404
regulates dredge / fill permitting into waters of the US administered by USACE
, CZARA
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
stormwater runoff, snow melt runoff, and surface runoff and drainage
NPDES stormwater regulation say
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
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
impoundments of
waters territorial
sea
wetlands adjacent to waters above
Phase II
December 1999, require construction sites disturbing equal to or greater than 1
acre and less than 5 to control pollutants in stormwater runoff.
2026/2027 | Graded A+ | 100% Assured Pass
Identify instream damages of sediment
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
sediment can affect light penetration, channel stability, fisheries and habitat
Name Off stream damages
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?
Urbanization and development
,priority pollutants include
nutrients
pathogens
heavy
metals
toxics
sediment
salts
detergents
hydro carbons
Clean Water Act (CWA)
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
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
NPDES Regs
NPDES
National Pollutant Discharge Elimination System
,MS4
Municipal Separate Storm Sewers Systems
NURP
Nationwide Urban Runoff
Program 1987-1983
led to EPA regulating stormwater
Phase I
(1987 -
1992)
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
enacted April 1992, identified minimum requirements for NPDES stormwater
permits
Section 404
regulates dredge / fill permitting into waters of the US administered by USACE
, CZARA
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
stormwater runoff, snow melt runoff, and surface runoff and drainage
NPDES stormwater regulation say
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
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
impoundments of
waters territorial
sea
wetlands adjacent to waters above
Phase II
December 1999, require construction sites disturbing equal to or greater than 1
acre and less than 5 to control pollutants in stormwater runoff.
