QUESTIONS AND SOLUTIONS GRADED A+
◉Phase I
(1987 - 1992). 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. Answer: enacted April 1992,
identified minimum requirements for NPDES stormwater permits
◉Section 404. Answer: regulates dredge / fill permitting into waters
of the US administered by USACE
◉CZARA. 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. Answer: stormwater runoff, snow melt runoff, and
surface runoff and drainage
◉NPDES stormwater regulation say. 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. 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
impoundments of waters
territorial sea
wetlands adjacent to waters above
◉Phase II. Answer: December 1999, require construction sites
disturbing equal to or greater than 1 acre and less than 5 to control
pollutants in stormwater runoff.
◉SWMP. Answer: Stormwater Management Plan
,◉6 minimum measures of SWMP. Answer: Public Education and
Outreach
Public Participation / Involvement
Illicit Discharge Detection and Elimination
Construction Site Runoff Control
Post Construction Runoff Control
Pollution Prevention / Good Housekeeping
(PPICPP)
◉Purpose of Clean Water Act. Answer: protect the beneficial uses of
surface waters
◉Water quality standards must do the following. Answer: Include
provisions for restoring and maintaining the chemical, physical and
biological integrity of state waters
Achieve a level of water quality that provides for the protection and
propogration of fish, shellfish and wildlife and recreation in an on
the water
, Consider the use and value of state waters for public water supplies,
propagation of fish and wildlife, recreation, agriculture and
navigation
◉TMDL. Answer: Total Maximum Daily Loads
define the amount of a particular pollutant that a water body can
assimilate on a daily basis without violating applicable water quality
standards.
◉what does TMDL do. Answer: section 303 d of the clean water act
established TMDL process to guide the application of state water
quality standards.
◉TMDL process (3 steps). Answer: Identify Quality Limited waters
(compile 303d list)
Establish Priority Waters/ Watersheds for TMDL development
Develop TMDLs
◉TMDL. Answer: sum of the waste load allocations for point source,
nonpoint source and natural sources plus a margin of safety. They
must identify links between: water body use impairment or threat of
concern, cause of impariment, load reductions or actions needed to
remedy or prevent the impairment