SWPPP Stormwater EPA | 98 Questions and Answers
Verified by Expert | latest Update 2026
SWPPP Stormwater EPA | 98 Questions and
Answers Verified by Expert | latest Update 2026
What Generates Stormwater discharge? - ✅ CORRECT ANSWER Discharge is
generated by runoff from land and impervious areas such as paved streets, parking
lots, and building rooftops during rainfall and snow events that often contain
pollutants in quantities that could adversely affect water quality.
Types of Stormwater Sampling - ✅ CORRECT ANSWER Catch Basin
Sampling, Ditch Sampling, Sheet Flow Sampling
Where to sample - ✅ CORRECT ANSWER Pipes (catch basin or outfall),
Open Ditch or a sheet flow. Stormwater discharge is representative of your wholes
sites pollution. Sampling sites must be noted on permit site map
Tools needed for sampling - ✅ CORRECT ANSWER Bottle, Gloves, IceBox,
pen, pH paper, and an extension rod.
Things you are sampling for - ✅ CORRECT ANSWER Turbidity(cloudiness),
pH, Total Zn, Total Copper, and Oil Sheen
What pollutants usually sampled for - ✅ CORRECT ANSWER Stormwater
permits require the development of minimum control measures called what?:
MS4’s for stormwater permits and BMPs for industrial stormwater permits
pg. 1
, SWPPP Stormwater EPA | 98 Questions and Answers
Verified by Expert | latest Update 2026
How does stormwater effect construction sites - ✅ CORRECT ANSWER
Stormwater flows over construction sites, picking up pollutants that can then harm
or kill fish/wildlife
NPDES Stormwater Program requires sites of what size sites to obtain
authorization to discharge stormwater? - ✅ CORRECT ANSWER One Acre or
larger
What is the focus of the NPDES Stormwater Permits? - ✅ CORRECT ANSWER
Stormwater Pollution Prevention Plans
EPA Construction General Permit (CGP) - ✅ CORRECT ANSWER Outlines a
set of provisions that construction operators must follow to comply with the
requirements of the NPDES stormwater regulations.
In California who issues NPDES permits for discharges into federal ocean water? -
✅ CORRECT ANSWER EPA
In California what entity handles permits for discharges into non-federal waters? -
✅ CORRECT ANSWER CalEPA
What are the basic requirements of a CGP - ✅ CORRECT ANSWER 1) Read
entire CGP, 2) Develop a Stormwater Pollution Prevention Plan (SWPPP), 3)
Complete and submit a Notice of Intent (NOI), 4) Install and maintain erosion and
pg. 2
, SWPPP Stormwater EPA | 98 Questions and Answers
Verified by Expert | latest Update 2026
sediment controls throughout the entire construction project, 5) Implement
pollution prevention controls, 6) Conduct inspections on the site based on
established timeframe, 7) Take Corrective action to address any issue with your
stormwater controls or discharges, 8) Keep SWPPP up to date, 9) Comply with any
state, requirements, 10) Keep a copy of permit on site, and 11) Submit a notice of
termination once your site is permanently stabilized or control of site has been
transferred to another operator, 12) Retain records for at least 3 years after NOT
Stormwater Pollution Prevention Plan aims to do what? - ✅ CORRECT
ANSWER Serve as a roadmap for how you will control you stormwater
discharges and comply with the permit
Part 1.1.5 and appendix D of the 2017 CGP Requires? - ✅ CORRECT ANSWER
You to determine the eligibility with regard to protection of threatened and
endangered species and designated critical habitat.
Part 1.1.6 and Appendix E of the 2017 CGP Requires? - ✅ CORRECT ANSWER
You to complete the screening process with regard to protection of historic
properties before you submit an NOI for permit coverage.
What size construction sites can apply for a waiver of NPDES permit coverage? -
✅ CORRECT ANSWER Sites that disturb 5 acres or less
What are the three circumstances that small construction sites can apply for permit
waiver? - ✅ CORRECT ANSWER Rainfall erosivity factor of less than five,
Approved or Established Total Maximum Daily Loads (TMDLs) can be shown to
pg. 3
Verified by Expert | latest Update 2026
SWPPP Stormwater EPA | 98 Questions and
Answers Verified by Expert | latest Update 2026
What Generates Stormwater discharge? - ✅ CORRECT ANSWER Discharge is
generated by runoff from land and impervious areas such as paved streets, parking
lots, and building rooftops during rainfall and snow events that often contain
pollutants in quantities that could adversely affect water quality.
Types of Stormwater Sampling - ✅ CORRECT ANSWER Catch Basin
Sampling, Ditch Sampling, Sheet Flow Sampling
Where to sample - ✅ CORRECT ANSWER Pipes (catch basin or outfall),
Open Ditch or a sheet flow. Stormwater discharge is representative of your wholes
sites pollution. Sampling sites must be noted on permit site map
Tools needed for sampling - ✅ CORRECT ANSWER Bottle, Gloves, IceBox,
pen, pH paper, and an extension rod.
Things you are sampling for - ✅ CORRECT ANSWER Turbidity(cloudiness),
pH, Total Zn, Total Copper, and Oil Sheen
What pollutants usually sampled for - ✅ CORRECT ANSWER Stormwater
permits require the development of minimum control measures called what?:
MS4’s for stormwater permits and BMPs for industrial stormwater permits
pg. 1
, SWPPP Stormwater EPA | 98 Questions and Answers
Verified by Expert | latest Update 2026
How does stormwater effect construction sites - ✅ CORRECT ANSWER
Stormwater flows over construction sites, picking up pollutants that can then harm
or kill fish/wildlife
NPDES Stormwater Program requires sites of what size sites to obtain
authorization to discharge stormwater? - ✅ CORRECT ANSWER One Acre or
larger
What is the focus of the NPDES Stormwater Permits? - ✅ CORRECT ANSWER
Stormwater Pollution Prevention Plans
EPA Construction General Permit (CGP) - ✅ CORRECT ANSWER Outlines a
set of provisions that construction operators must follow to comply with the
requirements of the NPDES stormwater regulations.
In California who issues NPDES permits for discharges into federal ocean water? -
✅ CORRECT ANSWER EPA
In California what entity handles permits for discharges into non-federal waters? -
✅ CORRECT ANSWER CalEPA
What are the basic requirements of a CGP - ✅ CORRECT ANSWER 1) Read
entire CGP, 2) Develop a Stormwater Pollution Prevention Plan (SWPPP), 3)
Complete and submit a Notice of Intent (NOI), 4) Install and maintain erosion and
pg. 2
, SWPPP Stormwater EPA | 98 Questions and Answers
Verified by Expert | latest Update 2026
sediment controls throughout the entire construction project, 5) Implement
pollution prevention controls, 6) Conduct inspections on the site based on
established timeframe, 7) Take Corrective action to address any issue with your
stormwater controls or discharges, 8) Keep SWPPP up to date, 9) Comply with any
state, requirements, 10) Keep a copy of permit on site, and 11) Submit a notice of
termination once your site is permanently stabilized or control of site has been
transferred to another operator, 12) Retain records for at least 3 years after NOT
Stormwater Pollution Prevention Plan aims to do what? - ✅ CORRECT
ANSWER Serve as a roadmap for how you will control you stormwater
discharges and comply with the permit
Part 1.1.5 and appendix D of the 2017 CGP Requires? - ✅ CORRECT ANSWER
You to determine the eligibility with regard to protection of threatened and
endangered species and designated critical habitat.
Part 1.1.6 and Appendix E of the 2017 CGP Requires? - ✅ CORRECT ANSWER
You to complete the screening process with regard to protection of historic
properties before you submit an NOI for permit coverage.
What size construction sites can apply for a waiver of NPDES permit coverage? -
✅ CORRECT ANSWER Sites that disturb 5 acres or less
What are the three circumstances that small construction sites can apply for permit
waiver? - ✅ CORRECT ANSWER Rainfall erosivity factor of less than five,
Approved or Established Total Maximum Daily Loads (TMDLs) can be shown to
pg. 3
