WV Septic Installer EXAM STUDY GUIDE
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS || 100%
GUARANTEED PASS NEWEST VERSION
1. Which agency regulates onsite wastewater systems in West Virginia?
A. WV Department of Environmental Protection
B. WV Department of Health and Human Resources (DHHR), Environmental Health
Division
C. WV Department of Agriculture
D. WV Division of Natural Resources
Correct Answer: B
Rationale: The West Virginia Department of Health and Human Resources (DHHR),
Environmental Health Division, regulates onsite wastewater systems, including septic
systems, in West Virginia. The program is administered through county health
departments .
2. What is the primary purpose of the West Virginia State Code Chapter 16, Article
1?
A. To regulate agricultural practices
B. To regulate onsite wastewater treatment systems and private sewage disposal
C. To regulate water supply systems
D. To regulate land development
Correct Answer: B
Rationale: Chapter 16, Article 1 of the West Virginia State Code provides the legal
framework for regulating onsite wastewater treatment systems and private sewage
disposal. It establishes the authority of the DHHR to adopt rules and enforce regulations
.
3. What is the definition of a "septic tank" in West Virginia regulations?
,A. A watertight tank that receives sewage and allows solids to settle and scum to float
B. A tank that treats sewage using aerobic bacteria
C. A tank that only stores sewage before disposal
D. A tank that is used for industrial waste
Correct Answer: A
Rationale: A septic tank is a watertight tank that receives sewage and allows solids to
settle to the bottom (sludge) and scum to float to the top. The tank provides primary
treatment through anaerobic digestion .
4. What is a "soil absorption system" in West Virginia regulations?
A. A system that uses a septic tank and a drainfield to treat and dispose of sewage
B. A system that uses only a septic tank
C. A system that uses a holding tank
D. A system that uses a sand filter only
Correct Answer: A
Rationale: A soil absorption system includes a septic tank and a drainfield (leachfield).
The drainfield distributes effluent into the soil for final treatment and disposal .
5. What is the minimum setback distance for a septic system from a private well in
West Virginia?
A. 50 feet
B. 75 feet
C. 100 feet
D. 150 feet
Correct Answer: C
Rationale: The minimum setback distance from a private well is 100 feet. This ensures
that the septic system does not contaminate the drinking water supply .
6. What is the minimum setback distance for a septic system from a surface water
body in West Virginia?
A. 50 feet
B. 75 feet
C. 100 feet
D. 150 feet
,Correct Answer: C
Rationale: The minimum setback distance from a surface water body is 100 feet. This
prevents contamination of streams, rivers, and lakes .
7. What is the minimum setback distance for a septic system from a property line?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a property line is 10 feet. This ensures
that the system is located entirely on the property and does not encroach on
neighboring land .
8. What is the minimum setback distance for a septic system from a building
foundation?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a building foundation is 10 feet. This
prevents damage to the foundation and allows access for maintenance .
9. What is the minimum setback distance for a septic system from a waterline?
A. 10 feet
B. 25 feet
C. 50 feet
D. 100 feet
Correct Answer: C
Rationale: The minimum setback distance from a waterline is 50 feet. This prevents
contamination of the potable water supply .
, 10. What is the minimum setback distance for a septic system from a road or
driveway?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a road or driveway is 10 feet. This
prevents damage from vehicles and allows access .
11. What is the minimum setback distance for a septic system from a swimming
pool?
A. 25 feet
B. 50 feet
C. 75 feet
D. 100 feet
Correct Answer: B
Rationale: The minimum setback distance from a swimming pool is 50 feet. This
prevents contamination of the pool water .
12. What is the minimum setback distance for a septic system from a buried fuel
tank?
A. 25 feet
B. 50 feet
C. 75 feet
D. 100 feet
Correct Answer: B
Rationale: The minimum setback distance from a buried fuel tank is 50 feet. This
prevents contamination from fuel leaks .
13. What is the minimum setback distance for a septic system from a property
with a well?
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS || 100%
GUARANTEED PASS NEWEST VERSION
1. Which agency regulates onsite wastewater systems in West Virginia?
A. WV Department of Environmental Protection
B. WV Department of Health and Human Resources (DHHR), Environmental Health
Division
C. WV Department of Agriculture
D. WV Division of Natural Resources
Correct Answer: B
Rationale: The West Virginia Department of Health and Human Resources (DHHR),
Environmental Health Division, regulates onsite wastewater systems, including septic
systems, in West Virginia. The program is administered through county health
departments .
2. What is the primary purpose of the West Virginia State Code Chapter 16, Article
1?
A. To regulate agricultural practices
B. To regulate onsite wastewater treatment systems and private sewage disposal
C. To regulate water supply systems
D. To regulate land development
Correct Answer: B
Rationale: Chapter 16, Article 1 of the West Virginia State Code provides the legal
framework for regulating onsite wastewater treatment systems and private sewage
disposal. It establishes the authority of the DHHR to adopt rules and enforce regulations
.
3. What is the definition of a "septic tank" in West Virginia regulations?
,A. A watertight tank that receives sewage and allows solids to settle and scum to float
B. A tank that treats sewage using aerobic bacteria
C. A tank that only stores sewage before disposal
D. A tank that is used for industrial waste
Correct Answer: A
Rationale: A septic tank is a watertight tank that receives sewage and allows solids to
settle to the bottom (sludge) and scum to float to the top. The tank provides primary
treatment through anaerobic digestion .
4. What is a "soil absorption system" in West Virginia regulations?
A. A system that uses a septic tank and a drainfield to treat and dispose of sewage
B. A system that uses only a septic tank
C. A system that uses a holding tank
D. A system that uses a sand filter only
Correct Answer: A
Rationale: A soil absorption system includes a septic tank and a drainfield (leachfield).
The drainfield distributes effluent into the soil for final treatment and disposal .
5. What is the minimum setback distance for a septic system from a private well in
West Virginia?
A. 50 feet
B. 75 feet
C. 100 feet
D. 150 feet
Correct Answer: C
Rationale: The minimum setback distance from a private well is 100 feet. This ensures
that the septic system does not contaminate the drinking water supply .
6. What is the minimum setback distance for a septic system from a surface water
body in West Virginia?
A. 50 feet
B. 75 feet
C. 100 feet
D. 150 feet
,Correct Answer: C
Rationale: The minimum setback distance from a surface water body is 100 feet. This
prevents contamination of streams, rivers, and lakes .
7. What is the minimum setback distance for a septic system from a property line?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a property line is 10 feet. This ensures
that the system is located entirely on the property and does not encroach on
neighboring land .
8. What is the minimum setback distance for a septic system from a building
foundation?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a building foundation is 10 feet. This
prevents damage to the foundation and allows access for maintenance .
9. What is the minimum setback distance for a septic system from a waterline?
A. 10 feet
B. 25 feet
C. 50 feet
D. 100 feet
Correct Answer: C
Rationale: The minimum setback distance from a waterline is 50 feet. This prevents
contamination of the potable water supply .
, 10. What is the minimum setback distance for a septic system from a road or
driveway?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
Correct Answer: B
Rationale: The minimum setback distance from a road or driveway is 10 feet. This
prevents damage from vehicles and allows access .
11. What is the minimum setback distance for a septic system from a swimming
pool?
A. 25 feet
B. 50 feet
C. 75 feet
D. 100 feet
Correct Answer: B
Rationale: The minimum setback distance from a swimming pool is 50 feet. This
prevents contamination of the pool water .
12. What is the minimum setback distance for a septic system from a buried fuel
tank?
A. 25 feet
B. 50 feet
C. 75 feet
D. 100 feet
Correct Answer: B
Rationale: The minimum setback distance from a buried fuel tank is 50 feet. This
prevents contamination from fuel leaks .
13. What is the minimum setback distance for a septic system from a property
with a well?
