FLORIDA SEPTIC TANK CONTRACTOR PRACTICE EXAM
1. Which agency is primarily responsible for regulating onsite sewage treatment and
disposal systems (OSTDS) in Florida?
A) Florida Department of Environmental Protection (FDEP)
B) Florida Department of Health (DOH)
C) Florida Department of Business and Professional Regulation (DBPR)
D) Water Management Districts
Answer: B
Explanation: The Florida Department of Health (DOH) regulates OSTDS under Chapter 64E-
6, Florida Administrative Code.
2. What is the minimum experience required to qualify for a Florida Septic Tank Contractor
license?
A) 1 year
B) 2 years
C) 3 years
D) 4 years
Answer: D
Explanation: Florida requires 4 years of experience in the installation, repair, or
maintenance of onsite sewage systems.
3. What is the minimum liquid capacity for a residential septic tank serving a 3-bedroom
home?
A) 750 gallons
,B) 900 gallons
C) 1,000 gallons
D) 1,200 gallons
Answer: B
Explanation: For a 3-bedroom home, the minimum required tank capacity is 900 gallons
according to Table I in 64E-6.005(2).
4. What is the minimum horizontal separation distance required between a septic tank and
a private water supply well?
A) 50 feet
B) 75 feet
C) 100 feet
D) 150 feet
Answer: B
Explanation: Section 64E-6.005(3) requires at least 75 feet between a septic tank and a
private water supply well.
5. What is the minimum horizontal separation distance required between a drainfield and a
private water supply well?
A) 75 feet
B) 100 feet
C) 150 feet
D) 200 feet
Answer: B
,Explanation: A minimum of 100 feet separation is required between a drainfield and a
private well per 64E-6.005(3).
6. What is the minimum horizontal separation required between a septic tank and a
building foundation?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: A
Explanation: Section 64E-6.005(3) requires at least 5 feet between a septic tank and a
building foundation.
7. What is the maximum allowable slope for a conventional drainfield?
A) 15%
B) 20%
C) 25%
D) 30%
Answer: C
Explanation: Conventional drainfields cannot exceed 25% slope according to 64E-6.005(5).
8. What is the minimum liquid depth required in a septic tank?
A) 36 inches
B) 42 inches
C) 48 inches
, D) 54 inches
Answer: B
Explanation: Septic tanks must have a minimum liquid depth of 42 inches per 64E-
6.005(2).
9. What is the maximum liquid depth allowed in a septic tank?
A) 60 inches
B) 66 inches
C) 72 inches
D) 78 inches
Answer: C
Explanation: The maximum liquid depth is 72 inches as specified in 64E-6.005(2).
10. What is the minimum distance required between the inlet and outlet baffles in a septic
tank?
A) 36 inches
B) 48 inches
C) 60 inches
D) 72 inches
Answer: B
Explanation: A minimum of 48 inches is required between baffles according to 64E-
6.005(2).
11. What is the minimum diameter required for inlet and outlet pipes on septic tanks?
1. Which agency is primarily responsible for regulating onsite sewage treatment and
disposal systems (OSTDS) in Florida?
A) Florida Department of Environmental Protection (FDEP)
B) Florida Department of Health (DOH)
C) Florida Department of Business and Professional Regulation (DBPR)
D) Water Management Districts
Answer: B
Explanation: The Florida Department of Health (DOH) regulates OSTDS under Chapter 64E-
6, Florida Administrative Code.
2. What is the minimum experience required to qualify for a Florida Septic Tank Contractor
license?
A) 1 year
B) 2 years
C) 3 years
D) 4 years
Answer: D
Explanation: Florida requires 4 years of experience in the installation, repair, or
maintenance of onsite sewage systems.
3. What is the minimum liquid capacity for a residential septic tank serving a 3-bedroom
home?
A) 750 gallons
,B) 900 gallons
C) 1,000 gallons
D) 1,200 gallons
Answer: B
Explanation: For a 3-bedroom home, the minimum required tank capacity is 900 gallons
according to Table I in 64E-6.005(2).
4. What is the minimum horizontal separation distance required between a septic tank and
a private water supply well?
A) 50 feet
B) 75 feet
C) 100 feet
D) 150 feet
Answer: B
Explanation: Section 64E-6.005(3) requires at least 75 feet between a septic tank and a
private water supply well.
5. What is the minimum horizontal separation distance required between a drainfield and a
private water supply well?
A) 75 feet
B) 100 feet
C) 150 feet
D) 200 feet
Answer: B
,Explanation: A minimum of 100 feet separation is required between a drainfield and a
private well per 64E-6.005(3).
6. What is the minimum horizontal separation required between a septic tank and a
building foundation?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: A
Explanation: Section 64E-6.005(3) requires at least 5 feet between a septic tank and a
building foundation.
7. What is the maximum allowable slope for a conventional drainfield?
A) 15%
B) 20%
C) 25%
D) 30%
Answer: C
Explanation: Conventional drainfields cannot exceed 25% slope according to 64E-6.005(5).
8. What is the minimum liquid depth required in a septic tank?
A) 36 inches
B) 42 inches
C) 48 inches
, D) 54 inches
Answer: B
Explanation: Septic tanks must have a minimum liquid depth of 42 inches per 64E-
6.005(2).
9. What is the maximum liquid depth allowed in a septic tank?
A) 60 inches
B) 66 inches
C) 72 inches
D) 78 inches
Answer: C
Explanation: The maximum liquid depth is 72 inches as specified in 64E-6.005(2).
10. What is the minimum distance required between the inlet and outlet baffles in a septic
tank?
A) 36 inches
B) 48 inches
C) 60 inches
D) 72 inches
Answer: B
Explanation: A minimum of 48 inches is required between baffles according to 64E-
6.005(2).
11. What is the minimum diameter required for inlet and outlet pipes on septic tanks?
