CESSWI Exam Part 1 | Questions & correct
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
CESSWI is qualified to preform what inspections?
Construction, post construction, industrial, MS4
Clean Water Act year of creation and intent of law
1972, enacted to restore and maintain the physical, bio, chem integrity of the waters of the US
CWA Section 402
Est. NPDES System, originally focused on industrial process waste water and POTW
CWA Section 404
regulated impacts to waters of the US, typically associated with a 401 certification
CWA Section 401
Regulates water quality impacts and state cert systems, required permit issued by a federal
agency for any activity that may discharge a pollutant, Applies heavily in industrial sites
CWA Section 303
Establishes Water quality standards
, CESSWI Exam Part 1 | Questions & correct
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
Stormwater discharge definition
stormwater runoff, snow melt runoff, and surface runoff/drainage
To be subject to NPDES rules, stormwater must:
be in a discernible conveyance
Definitions of waters of the US
All waters used in interstate or foreign commerce, including those subject to tidal flows
o All interstate waters, including interstate wetlands
o All INTRAstate lakes, rivers, streams (intermittent also), mudflats, sand flats, wetlands,
sloughs, prairie potholes, wet meadows, playa lake, or natural ponds that the destruction of
which would affect interstate/foreign commerce including those which:
Could be used for recreational or other purposes
From which shellfish or fish could be retrieved and sold
Could be used for industrial purposes
o All impoundments of water defined by waters of the US by the above
o Tributaries of the waters defined above
o The territorial sea
o Wetlands adjacent to any of the waters defined above
, CESSWI Exam Part 1 | Questions & correct
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
Beneficial Uses definition
Uses necessary for the survival of and well-being of people, plants, and wildlife
Water quality standards definition
state or tribal requirements that define the water quality goals of a lake stream or other
wateerbody by designation the benefical uses and setting criteria to protect those uses
Section 303d
est a process for states, territories, and tribes to i.d. impaired waters, also referred to as water
quality limited
TMDL
id's the amount of a specific pollutnant that may be dicharged to a water body, states are
responsible for implementing
Waste load allocations
allocations of pollutant loadings to point sources
TMDL Implementation
Define waste load allocation, develop implementation plan to connect allocations and permits,
translate allocations to permit conditions.
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
CESSWI is qualified to preform what inspections?
Construction, post construction, industrial, MS4
Clean Water Act year of creation and intent of law
1972, enacted to restore and maintain the physical, bio, chem integrity of the waters of the US
CWA Section 402
Est. NPDES System, originally focused on industrial process waste water and POTW
CWA Section 404
regulated impacts to waters of the US, typically associated with a 401 certification
CWA Section 401
Regulates water quality impacts and state cert systems, required permit issued by a federal
agency for any activity that may discharge a pollutant, Applies heavily in industrial sites
CWA Section 303
Establishes Water quality standards
, CESSWI Exam Part 1 | Questions & correct
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
Stormwater discharge definition
stormwater runoff, snow melt runoff, and surface runoff/drainage
To be subject to NPDES rules, stormwater must:
be in a discernible conveyance
Definitions of waters of the US
All waters used in interstate or foreign commerce, including those subject to tidal flows
o All interstate waters, including interstate wetlands
o All INTRAstate lakes, rivers, streams (intermittent also), mudflats, sand flats, wetlands,
sloughs, prairie potholes, wet meadows, playa lake, or natural ponds that the destruction of
which would affect interstate/foreign commerce including those which:
Could be used for recreational or other purposes
From which shellfish or fish could be retrieved and sold
Could be used for industrial purposes
o All impoundments of water defined by waters of the US by the above
o Tributaries of the waters defined above
o The territorial sea
o Wetlands adjacent to any of the waters defined above
, CESSWI Exam Part 1 | Questions & correct
Answers| Latest 2026/ 2027 Update | Grade A
(100% Correct) Verified Elaborations
Beneficial Uses definition
Uses necessary for the survival of and well-being of people, plants, and wildlife
Water quality standards definition
state or tribal requirements that define the water quality goals of a lake stream or other
wateerbody by designation the benefical uses and setting criteria to protect those uses
Section 303d
est a process for states, territories, and tribes to i.d. impaired waters, also referred to as water
quality limited
TMDL
id's the amount of a specific pollutnant that may be dicharged to a water body, states are
responsible for implementing
Waste load allocations
allocations of pollutant loadings to point sources
TMDL Implementation
Define waste load allocation, develop implementation plan to connect allocations and permits,
translate allocations to permit conditions.
