CWD Water Quality & Environmental Regulations

Question 1

What is the primary concern of the Safe Drinking Water Act (SDWA)?

Accepted Answer

Ensuring safe public drinking water

Answer

Monitoring agricultural runoff.

Answer

Protecting wetlands.

Answer

Regulating industrial waste.

Question 2

Why is testing for coliform bacteria important in water wells?

Accepted Answer

They indicate possible contamination by pathogens

Answer

They improve water taste.

Answer

They prevent algae growth.

Answer

They reduce metal corrosion.

Question 3

What does the Environmental Protection Agency (EPA) regulate regarding groundwater?

Accepted Answer

Regulates groundwater protection and contamination prevention

Answer

Only regulates surface water.

Answer

Monitors pesticide use only.

Answer

Manages municipal water bills.

Question 4

Why must hazardous materials be kept away from wellheads?

Accepted Answer

To prevent groundwater contamination

Answer

To allow easier drilling.

Answer

To reduce well maintenance costs.

Answer

To eliminate air pollution.

Question 5

What is a common method for treating bacterial contamination in wells?

Accepted Answer

Shock chlorination

Answer

UV radiation.

Answer

Ozone injection.

Answer

Reverse osmosis.

Question 6

What is the minimum distance typically required between a well and a septic system?

Accepted Answer

50 feet

Answer

10 feet

Answer

100 feet

Answer

500 feet

Question 7

Which of the following is a secondary water quality standard?

Accepted Answer

Iron concentration

Answer

Arsenic level

Answer

Lead content

Answer

Nitrate level

Question 8

What is the role of a sanitary seal in a water well?

Accepted Answer

Prevent contamination by sealing the casing

Answer

Improve water pressure.

Answer

Allow for sediment filtration.

Answer

Regulate flow rate.

Question 9

Why is nitrate considered a major groundwater contaminant?

Accepted Answer

They pose health risks, especially to infants

Answer

They help plant growth.

Answer

They improve taste.

Answer

They are harmless in small amounts.