CESSWI EXAM QUESTIONS AND
ANSWERS (VERIFIED AND UPDATED)
Certified erosion sediment and stormwater inspector - ANS CESSWI
Offers no mitigation - ANS Ignorance
Controls water pollution by regulating point sources that discharge pollutants into waters of the
US - ANS NPDES National pollutant discharge elimination system
MS4 - ANS Municipal Separate Storm Sewer System
ESCP - ANS Erosion and sediment control plan
Has regulatory authority over the cwa - ANS EPA
Return flow from irrigated agriculture or their run off - ANS Does not apply to the storm
water term
Only directly to. Or though a separate storm water system into us waters only - ANS NPDES
REQUIREMENTS
Commercial, retail, light industrial and institutional facilities.
@2026/2027 ALLRIGHTS RESERVED.
, Less than 5 acres
MS4 serving fewer than 100k people - ANS Phase II
Agriculture is exempt only for - ANS Crop production
O&G, forestry, and agriculture discharges are - ANS Exempt
Waiver "construction rainfall erosivity waiver" from phase II requirements under 2 conditions -
ANS Low rainfall potential
Based on TMDL
*only for small sites
Triennial review process - ANS States required to review and revise if necessary
Umbrella coverage - ANS General Permit
Identifies potential sources of pollution that may effect storm water discharges.
Describes management practices that are to be implemented to reduce pollutants discharges in
stormwater - ANS SWPPP
NOI - ANS Brief description of project
Estimated timetable for major activities
Estimated disturbed acres of soil
Certification that the swppp provides compliance
NOI needs to be submitted - - ANS At least 7 days before activity.
The SWPPP must be prepared before - ANS The NOI is filed
@2026/2027 ALLRIGHTS RESERVED.
ANSWERS (VERIFIED AND UPDATED)
Certified erosion sediment and stormwater inspector - ANS CESSWI
Offers no mitigation - ANS Ignorance
Controls water pollution by regulating point sources that discharge pollutants into waters of the
US - ANS NPDES National pollutant discharge elimination system
MS4 - ANS Municipal Separate Storm Sewer System
ESCP - ANS Erosion and sediment control plan
Has regulatory authority over the cwa - ANS EPA
Return flow from irrigated agriculture or their run off - ANS Does not apply to the storm
water term
Only directly to. Or though a separate storm water system into us waters only - ANS NPDES
REQUIREMENTS
Commercial, retail, light industrial and institutional facilities.
@2026/2027 ALLRIGHTS RESERVED.
, Less than 5 acres
MS4 serving fewer than 100k people - ANS Phase II
Agriculture is exempt only for - ANS Crop production
O&G, forestry, and agriculture discharges are - ANS Exempt
Waiver "construction rainfall erosivity waiver" from phase II requirements under 2 conditions -
ANS Low rainfall potential
Based on TMDL
*only for small sites
Triennial review process - ANS States required to review and revise if necessary
Umbrella coverage - ANS General Permit
Identifies potential sources of pollution that may effect storm water discharges.
Describes management practices that are to be implemented to reduce pollutants discharges in
stormwater - ANS SWPPP
NOI - ANS Brief description of project
Estimated timetable for major activities
Estimated disturbed acres of soil
Certification that the swppp provides compliance
NOI needs to be submitted - - ANS At least 7 days before activity.
The SWPPP must be prepared before - ANS The NOI is filed
@2026/2027 ALLRIGHTS RESERVED.
