Water Utility Quiz

A pressure gauge at the base of an elevated storage tank shows 80 psi. How far above the gauge is the water level?

• 184.8 feet

• 32.2 feet

• 196 feet

• 1,890 feet

• 548 feet

What is the major federal law governing the drinking water utility industry?

• The Safe Drinking Water Act of 1974

• RCRA

• Texas Water Use Plan of 1998

• OSHA Regs

• The Clean Water Act of 1986

Which chemical below is a solid form of chlorine that is often used by small water systems as their primary disinfectant?

• Sodium Hydroxide

• Sodium Hypochlorite

• Fluoride

• Chlorine gas

• Calcium Hypochlorite

Information concerning chemicals in the workplace should be available to employees in the form of a:

• Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS)

• HAZCOM Manual

• HAZCOM Data Sheet (HDS)

• Chemical Safety Data Sheet (CSDS)

• OSHA Safety Data Sheet (OSDS)

A liquid chlorine solution is fed using a hypochlorinator. Which of the following chlorine feed system parts or components are part of a hypochlorinator?

• Solution feed pump

• Rotameter

• 150 lb. Cylinder

• Scrubber

• None of the above

Where is a Corporation Stop located in the distribution system?

• At a business (corporation) water meter

• Tapped into the water main

• At the customers property line on the street side

• Near fire hydrants for fast isolation

Select the method of water level measurement that can be used to determine the drawdown of a well used as a public water supply.

• Sound amplifier

• Ball and string

• Ultrasonic combination detector

• Air pressure line

• Magnetic flow/level indicator

What is the required flushing interval when flushing dead-end water mains?

• Annually

• Weekly

• Quarterly

• Monthly

• Semi-annually

Pipe and fittings used in public water systems may not contain more than ____% lead or solder and flux may not contain more than ____% lead.

• 0.25, 0.2

• 25, 2

• 0.15, 0.10

• 2.0, 0.25

• 10, 15

If bacteriological sampling determines there are fecal coliform bacteria in the water supply, which of the below statements is true?

• The water is not potable

• The Water is contaminated

• Harmful bacteria might be present

• Pathogenic organisms may be in the water

• All the above