Who has the responsibility to make sure that maintenance has been performed on the
best management practices? - CORRECT ANSWER Contractor and Inspector
Who has the responsibility to make sure that control measures are properly selected,
installed, and maintained? - CORRECT ANSWER Designer, Inspector, and Contractor
T/F: The NPDES permit authorizes operators to discharge pollutants in the manner that
makes most sense for the site. - CORRECT ANSWER False
T/F: The EPA must grant approval for cationic flocculants. - CORRECT ANSWER True
T/F: The goal of the NPDES permit is to eliminate all discharge of pollutants from a
construction site. - CORRECT ANSWER False: minimize
T/F: The EPA is adamant that BMPs only be installed during the early phases of
construction site development. - CORRECT ANSWER False
Inspections must be done within 24 hours of a storm event which has or greater of
rainfall. - CORRECT ANSWER 0.25 inches
T/F: The SWPPP should always include the frequency of inspections - CORRECT
ANSWER True
T/F: Inspections should occur even in conditions that are unsafe to personnel. -
CORRECT ANSWER False
After identifying issues, the SWPPP should be updated and updates must occur within -
CORRECT ANSWER 7 calendar days
What method of erosion is marked by the bounding of soil particles? - CORRECT
ANSWER Saltation
Where does runoff flow? - CORRECT ANSWER From high point to low point
Offsite flows must be BLANK if they can't be BLANK - CORRECT ANSWER Treated;
diverted
What is hydrology? - CORRECT ANSWER The study of water
What are sources of water - CORRECT ANSWER Precipitation (rain, snow, hail, sleet)
Rate of flow depends on what 6 variables? - CORRECT ANSWER Soil types and
roughness
, Storm intensity and duration
Contributing areas
Steepness of terrain
Length of slope
Vegetative cover
What is a hydrograph? - CORRECT ANSWER Picture of runoff
X-Axis: flow in cubic feet per second (cfs)
Y-Axis: time in minutes
Peak = maximum flow during runoff event
What is a sedigraph? - CORRECT ANSWER Represents sediment discharge
X-Axis: sediment yield rate
Y-Axis: time
When working in waterways or wetlands, which permit is required? - CORRECT
ANSWER 404 Permit
NPDES - CORRECT ANSWER National Pollutant Discharge Elimination System
Section of CWA (Clean Water Act) to permit stormwater discharges associated with
industrial activities per the permit
CWA Penalty Types - CORRECT ANSWER Class I. Negligent
Class II. Knowingly = Greater Fines
What documents are required onsite? - CORRECT ANSWER SWPPP
CGP
Site Map
Drawings and Key
All inspection reports
Any amendments to SWPPP
Who is the "Operator" - CORRECT ANSWER Usually the OWNER of the site, not the
contractor, unless authorized by the owner to general contractor to have day-to-day
operational control
Vertical Projects - CORRECT ANSWER Homebuilding, smaller residential construction
projects
Usually multiple subcontractors
Requires a lot of housekeeping
LDP - CORRECT ANSWER Land Developing Projects - altering landscape for projects
Big Box Projects - CORRECT ANSWER Commercial buildings
Mass grading and mass chaos
Limits site access and continually changing (high activity)