CESSWI Exam Latest Questions and
Answers (2026/2027) | Updated Review
with Rationales | A+ Verified
• Offers no mitigation . Answer: Ignorance
• Controls water pollution by regulating point sources that discharge pollutants into
waters of the US . Answer: NPDES National pollutant discharge elimination
system
• MS4 . Answer: Municipal Separate Storm Sewer System
• ESCP . Answer: Erosion and sediment control plan
• Has regulatory authority over the cwa . Answer: EPA
• Return flow from irrigated agriculture or their run off . Answer: Does not apply
to the storm water term
• Only directly to. Or though a separate storm water system into us waters only .
Answer: NPDES REQUIREMENTS
• Commercial, retail, light industrial and institutional facilities.
Less than 5 acres
MS4 serving fewer than 100k people . Answer: Phase II
• Agriculture is exempt only for . Answer: Crop production
, • O&G, forestry, and agriculture discharges are . Answer: Exempt
• Waiver "construction rainfall erosivity waiver" from phase II requirements under
2 conditions . Answer: Low rainfall potential
Based on TMDL
*only for small sites
• Triennial review process . Answer: States required to review and revise if
necessary
• Umbrella coverage . Answer: 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 . Answer: SWPPP
• NOI . Answer: 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 - . Answer: At least 7 days before activity.
• The SWPPP must be prepared before . Answer: The NOI is filed
Answers (2026/2027) | Updated Review
with Rationales | A+ Verified
• Offers no mitigation . Answer: Ignorance
• Controls water pollution by regulating point sources that discharge pollutants into
waters of the US . Answer: NPDES National pollutant discharge elimination
system
• MS4 . Answer: Municipal Separate Storm Sewer System
• ESCP . Answer: Erosion and sediment control plan
• Has regulatory authority over the cwa . Answer: EPA
• Return flow from irrigated agriculture or their run off . Answer: Does not apply
to the storm water term
• Only directly to. Or though a separate storm water system into us waters only .
Answer: NPDES REQUIREMENTS
• Commercial, retail, light industrial and institutional facilities.
Less than 5 acres
MS4 serving fewer than 100k people . Answer: Phase II
• Agriculture is exempt only for . Answer: Crop production
, • O&G, forestry, and agriculture discharges are . Answer: Exempt
• Waiver "construction rainfall erosivity waiver" from phase II requirements under
2 conditions . Answer: Low rainfall potential
Based on TMDL
*only for small sites
• Triennial review process . Answer: States required to review and revise if
necessary
• Umbrella coverage . Answer: 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 . Answer: SWPPP
• NOI . Answer: 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 - . Answer: At least 7 days before activity.
• The SWPPP must be prepared before . Answer: The NOI is filed
