CPESC Questions and Answers 100% Solved
Water quality standards must do the following 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 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 section 303 d of the clean water act established TMDL process to
guide the application of state water quality standards.
,TMDL process (3 steps) Identify Quality Limited waters (compile 303d list)
Establish Priority Waters/ Watersheds for TMDL development
Develop TMDLs
TMDL 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
ELG Effluent Limitation Guidelines
Effective, February 2010, requires operators to sample stormwater discharges and comply with a
numeric standard for turbidity.
August 2011, 20 acres of more
Feb 2014, sites more than 10 acres must comply with numeric effuent limitations (280 NTUS)
NEL waived for events exceeding 2 year 24hr storm
,State regulations EPA delegated authority or EPA administered
Permittee EPA prefers general contractor
6 phases of stormwater pollution prevention for construction activiites Site evaluation
and design development
Project Assessment
Control selection and plan design
Certification and notification
Construction / implementation
Final stabilization / termination
Site Evaluation (steps) identify characteristics of the site: soils, surface waters, etc.
develop a site plan design (disturb smallest area, avoid sensitive areas, etc.)
describe construction activity
, Prepare pollution prevention site map
Project Assessment second phase in preparing SWPPP
Measure site areas
Determine drainage area
Calculate the runoff
BMP Selection and Plan Design phase 3
review state and local requirements
select erosion and sediment controls
stormwater management controls
other controls
prepare inspection and maintenance plan
description of controls
sequence of activities
Water quality standards must do the following 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 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 section 303 d of the clean water act established TMDL process to
guide the application of state water quality standards.
,TMDL process (3 steps) Identify Quality Limited waters (compile 303d list)
Establish Priority Waters/ Watersheds for TMDL development
Develop TMDLs
TMDL 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
ELG Effluent Limitation Guidelines
Effective, February 2010, requires operators to sample stormwater discharges and comply with a
numeric standard for turbidity.
August 2011, 20 acres of more
Feb 2014, sites more than 10 acres must comply with numeric effuent limitations (280 NTUS)
NEL waived for events exceeding 2 year 24hr storm
,State regulations EPA delegated authority or EPA administered
Permittee EPA prefers general contractor
6 phases of stormwater pollution prevention for construction activiites Site evaluation
and design development
Project Assessment
Control selection and plan design
Certification and notification
Construction / implementation
Final stabilization / termination
Site Evaluation (steps) identify characteristics of the site: soils, surface waters, etc.
develop a site plan design (disturb smallest area, avoid sensitive areas, etc.)
describe construction activity
, Prepare pollution prevention site map
Project Assessment second phase in preparing SWPPP
Measure site areas
Determine drainage area
Calculate the runoff
BMP Selection and Plan Design phase 3
review state and local requirements
select erosion and sediment controls
stormwater management controls
other controls
prepare inspection and maintenance plan
description of controls
sequence of activities
