NPDES Exam Questions with Correct Answers 100% Verified By Experts|
2025/2026 Latest Update
What is the purpose of the NPDES? To control the discharge of waste water under the 1972
Clean Water Act.
Inattentiveness of an operator may ___________ a non-compliance. Cause
Aggressive action by an operator may ___________ a non-compliance. Prevent
Who provides information that is the basis for reports issued to the EPA for a non-compliance?
Operators
What governing body is responsible for our NPDES enforcement? Illinois EPA
What are some consequences of exceeding permit limits? Increased frequency of sampling
Increased frequency of audit records
Fines
Permit suspended or revoked
Can the EPA shut down the plant for a NPDES violation? No, they can suspend/revoke our
permit which makes us unable to discharge waste water.
What systems are monitored for pH level and what is the acceptable range? CWBD and ST
6.0-9.0
(TR monitors pH but has no limits)
What parameters are monitored for the ST system? Effluent flow rate
pH: 6.0-9.0
2025/2026 Latest Update
What is the purpose of the NPDES? To control the discharge of waste water under the 1972
Clean Water Act.
Inattentiveness of an operator may ___________ a non-compliance. Cause
Aggressive action by an operator may ___________ a non-compliance. Prevent
Who provides information that is the basis for reports issued to the EPA for a non-compliance?
Operators
What governing body is responsible for our NPDES enforcement? Illinois EPA
What are some consequences of exceeding permit limits? Increased frequency of sampling
Increased frequency of audit records
Fines
Permit suspended or revoked
Can the EPA shut down the plant for a NPDES violation? No, they can suspend/revoke our
permit which makes us unable to discharge waste water.
What systems are monitored for pH level and what is the acceptable range? CWBD and ST
6.0-9.0
(TR monitors pH but has no limits)
What parameters are monitored for the ST system? Effluent flow rate
pH: 6.0-9.0
