Water Distribution System 7th Edition Study
Guide 2026–2027
Complete Question Bank with Verified
Answers & Detailed Rationales
EXAM OVERVIEW
| Detail | Information |
||--|
| Textbook | Water Distribution System
Operation and Maintenance, 7th Edition |
| Publisher | Office of Water Programs (OWP),
California State University, Sacramento |
| Coverage | Chapters 1–7, complete system
operations |
| Exam Focus | Water distribution principles,
system components, hydraulics, disinfection,
safety, management |
1
,| CEUs | 9.0 Continuing Education Units |
| Format | Multiple choice with verified
answers and detailed rationales |
SECTION 1: INTRODUCTION TO WATER
DISTRIBUTION (Questions 1-40)
1. What is the primary purpose of a water
distribution system?
A) To treat wastewater
B) To deliver potable water to consumers
C) To collect stormwater
D) To store rainwater
2
,Answer: B
Rationale: The main function of a water
distribution system is to provide safe, reliable
drinking water from the treatment plant to the
end user .
2. List the major parts of a water distribution
system.
A) Pipes, storage facilities, pumping stations,
valves, fire hydrants, meters
B) Only pipes and pumps
C) Treatment plants and sewers
3
, D) Reservoirs only
Answer: A
Rationale: The major parts of a water
distribution system include pipes, storage
facilities, pumping stations, valves, fire
hydrants, and meters .
3. Why must a continuous positive water
pressure be maintained in the distribution
system at all times?
A) To increase water velocity
4
Guide 2026–2027
Complete Question Bank with Verified
Answers & Detailed Rationales
EXAM OVERVIEW
| Detail | Information |
||--|
| Textbook | Water Distribution System
Operation and Maintenance, 7th Edition |
| Publisher | Office of Water Programs (OWP),
California State University, Sacramento |
| Coverage | Chapters 1–7, complete system
operations |
| Exam Focus | Water distribution principles,
system components, hydraulics, disinfection,
safety, management |
1
,| CEUs | 9.0 Continuing Education Units |
| Format | Multiple choice with verified
answers and detailed rationales |
SECTION 1: INTRODUCTION TO WATER
DISTRIBUTION (Questions 1-40)
1. What is the primary purpose of a water
distribution system?
A) To treat wastewater
B) To deliver potable water to consumers
C) To collect stormwater
D) To store rainwater
2
,Answer: B
Rationale: The main function of a water
distribution system is to provide safe, reliable
drinking water from the treatment plant to the
end user .
2. List the major parts of a water distribution
system.
A) Pipes, storage facilities, pumping stations,
valves, fire hydrants, meters
B) Only pipes and pumps
C) Treatment plants and sewers
3
, D) Reservoirs only
Answer: A
Rationale: The major parts of a water
distribution system include pipes, storage
facilities, pumping stations, valves, fire
hydrants, and meters .
3. Why must a continuous positive water
pressure be maintained in the distribution
system at all times?
A) To increase water velocity
4
