Clean Water Act (CWA) - ACCURATE ANSWERS enacted in 1972 with the intent of restoring and maintaining the chemical, physical, and biological integrity of the waters of the U.S, Agency having authority-U.S. EPA, Emphasized a technology-based approach
CWA Section 402 - ACCURATE ANSWERS establishes...
Clean Water Act (CWA) - ACCURATE ANSWERS✔✔ enacted in 1972
with the intent of restoring and maintaining the chemical, physical, and
biological integrity of the waters of the U.S, Agency having authority-
U.S. EPA, Emphasized a technology-based approach
CWA Section 402 - ACCURATE ANSWERS✔✔ establishes National
Pollutant Discharge Elimination System(NPDES) in 1972 to control the
discharges of pollutants from defined point sources; originally focused
on industrial waste water process and Publicly Owned Treatment Works
(POTWs); includes stormwater runoff requirements
CWA Section 404 - ACCURATE ANSWERS✔✔ regulates impacts of
dredged or fill materials discharge into waters of the U.S.; administered
by army corps of engineers; typically associated with 401 certification
which addresses water quality issues
CWA Section 401 - ACCURATE ANSWERS✔✔ required for any
permit/license issued by a federal agency when an activity would result
in a discharge into waters of the US; regulates water quality impacts and
state certification programs; ensure water quality standards; associated
with 404 permits
CWA Section 303 - ACCURATE ANSWERS✔✔ establishes water
quality standards
, Stormwater discharges - ACCURATE ANSWERS✔✔ stormwater
runoff, snowmelt runoff, surface runoff, and drainage; to be subject to
national pollutant discharge elimination system (NPDES) stormwater
must be in a discernible conveyance (closed or open flow); ag return
flows and runoff aren't regulated by NPDES regulations
Waters of the US - ACCURATE ANSWERS✔✔ all waters that are or
were used in interstate or foreign commerce including wetlands
Beneficial uses - ACCURATE ANSWERS✔✔ uses of water necessary
for the survival of people, plants, and wildlife; purpose of CWA is to
protect the beneficial uses of surface waters
Water quality standards - ACCURATE ANSWERS✔✔ state/tribal
requirements that define the water quality goals of lakes, streams, or
other water bodies by designating the beneficial uses and protecting the
uses through numeric/narrative standards that maintain the chem, phys,
and bio integrity of a waterbody
CWA Section 303(d) - ACCURATE ANSWERS✔✔ establishes a
process for states/territories/tribes to identify impaired waters/water
quality limited (waters that are too polluted/don't meet water quality
standards); requires development of total maximum daily load (TMDLs)
Total maximum daily load (TMDL) - ACCURATE ANSWERS✔✔
identifies the amount of a specific pollutant/property of a pollutant from
point, nonpoint, and natural background sources, including a margin of
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