FREE Environmental Compliance Inspector Water Discharge Permitting Questions and Answers

Question 1

Which federal act is the primary legislative basis for regulating point source discharges of pollutants into 'waters of the United States' and establishing the National Pollutant Discharge Elimination System (NPDES) permit program?

Accepted Answer

Clean Water Act (CWA)

Answer

Resource Conservation and Recovery Act (RCRA)

Answer

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

Answer

Safe Drinking Water Act (SDWA)

Question 2

A municipal wastewater treatment plant (WWTP) discharges treated effluent into a navigable river. What type of permit is generally required for this discharge under federal regulations?

Accepted Answer

National Pollutant Discharge Elimination System (NPDES) Permit

Answer

Air Emission Permit (Title V)

Answer

Resource Conservation and Recovery Act (RCRA) Permit

Answer

Underground Injection Control (UIC) Permit

Question 3

Which of the following is NOT typically a component or requirement of a National Pollutant Discharge Elimination System (NPDES) permit?

Accepted Answer

Spill Prevention, Control, and Countermeasure (SPCC) Plan approval

Answer

Effluent limitations (e.g., maximum pollutant concentrations)

Answer

Monitoring and reporting requirements (e.g., Discharge Monitoring Reports - DMRs)

Answer

Best Management Practices (BMPs) for certain types of discharges

Question 4

An environmental compliance inspector observes a construction site where stormwater runoff from disturbed areas is flowing directly into a nearby stream without any erosion controls. The site is larger than five acres. What type of permit is most likely being violated or is absent?

Accepted Answer

Construction Stormwater General Permit

Answer

National Emissions Standards for Hazardous Air Pollutants (NESHAP)

Answer

Industrial Stormwater General Permit

Answer

Pretreatment Permit

Question 5

Under the NPDES program, what is the primary purpose of effluent limitations?

Accepted Answer

To establish maximum allowable concentrations or quantities of pollutants that can be discharged.

Answer

To define the geographic boundaries of the permitted discharge point.

Answer

To set the frequency for reporting non-compliance incidents.

Answer

To specify the types of chemicals allowed for treating wastewater onsite.

Question 6

Which of the following describes a 'point source' as defined under the Clean Water Act and relevant to NPDES permitting?

Accepted Answer

Any discernible, confined, and discrete conveyance from which pollutants are or may be discharged.

Answer

Diffuse runoff from agricultural fields into a river.

Answer

Stormwater runoff from an undeveloped forest.

Answer

Groundwater seepage into a wetland.