CSM Stormwater Regulations & Compliance 2

Question 1

Under the Clean Water Act Section 402, which permit program directly authorizes the discharge of stormwater to waters of the US?

Accepted Answer

NPDES Permit Program

Answer

The National Pollutant Discharge Elimination System (NPDES) under CWA Section 402 is the primary permitting mechanism for stormwater discharges.

Question 2

A construction site disturbing 0.8 acres that is part of a larger common plan of development that will disturb 1.5 acres total — does it require a Construction General Permit?

Accepted Answer

Yes, because the common plan of development exceeds 1 acre

Answer

EPA's CGP triggers apply to the entire common plan of development or sale, so if the overall plan disturbs ≥1 acre the permit is required regardless of individual lot size.

Question 3

Which EPA Phase II rule first extended NPDES stormwater permit requirements to small MS4s?

Accepted Answer

1999 Phase II Final Rule

Answer

The 1999 Phase II Final Rule (effective March 2003) expanded NPDES coverage to small MS4s in urbanized areas and smaller construction sites.

Question 4

What is the primary purpose of a Stormwater Pollution Prevention Plan (SWPPP) at an industrial facility?

Accepted Answer

Document BMPs to prevent pollutants from entering stormwater discharges

Answer

A SWPPP identifies potential pollutant sources and describes BMPs to prevent pollutants from reaching stormwater runoff.

Question 5

Under the MS4 program, which of the six minimum control measures addresses removing floatables and debris from stormwater before it enters receiving waters?

Accepted Answer

Pollution Prevention/Good Housekeeping

Answer

Pollution Prevention/Good Housekeeping covers practices at municipal operations that prevent pollutant introduction, including debris management.

(CSM) Certified Stormwater Manager Practice Test

(CSM) Certified Stormwater Manager Practice Test

CSM Stormwater Regulations & Compliance 2