AWWA Environmental Compliance 2

Question 1

Under the Clean Water Act Section 404, which agency issues permits for the discharge of dredged or fill material into waters of the United States?

Accepted Answer

Army Corps of Engineers

Answer

The U.S. Army Corps of Engineers issues Section 404 permits for dredged or fill material discharges into waters of the U.S.

Question 2

What is the primary purpose of a Spill Prevention, Control, and Countermeasure (SPCC) plan at a water utility?

Accepted Answer

To prevent oil discharges that could reach navigable waters

Answer

An SPCC plan is required under 40 CFR Part 112 to prevent oil spills from reaching navigable waters of the United States.

Question 3

Which document must a public water system provide to customers annually under the Safe Drinking Water Act?

Accepted Answer

Consumer Confidence Report

Answer

The Consumer Confidence Report (CCR) must be distributed annually to customers, summarizing water quality data and source information.

Question 4

What is the Maximum Contaminant Level Goal (MCLG) for total trihalomethanes (TTHMs) in drinking water?

Accepted Answer

0 µg/L

Answer

The MCLG for TTHMs is zero because they are potential carcinogens, though the enforceable MCL is set at 80 µg/L.

Question 5

A utility discovers that a backflow preventer on a chemical feed line has failed. What is the immediate environmental compliance concern?

Accepted Answer

Cross-connection contamination of the potable water supply

Answer

A failed backflow preventer on a chemical feed line creates a cross-connection that can allow contaminants to enter the potable water supply.

(AWWA) American Water Works Association Practice Test