Florida (FL) Septic Tank Contractor Practice Exam
2026 -2028 – Newest 350 Practice Questions &
Answers with Rationales | Florida OSTDS Contractor
Exam Prep | pdf
NB Florida's current OSTDS framework has undergone significant administrative and rule changes,
including rules effective June 8, 2026
Questions 1–25: Florida OSTDS Regulations & Contractor Requirements
Question 1. Which Florida program primarily regulates onsite sewage treatment and
disposal systems, commonly referred to as OSTDS or septic systems?
A. Department of Transportation
B. Department of Agriculture only
C. Florida Department of Environmental Protection and applicable local authorities
D. Department of Highway Safety
Rationale: Florida's OSTDS regulatory framework is administered through DEP and
applicable local authorities, with specific permitting responsibilities varying by county.
Question 2. Beginning January 2, 2025, which agency assumed septic-system permitting
responsibilities in the specifically designated group of 16 Florida counties?
A. Department of Transportation
B. Florida Department of Environmental Protection
C. Department of Revenue
D. Department of Business and Professional Regulation
,Rationale: DEP assumed OSTDS permitting in 16 specified counties beginning January 2,
2025.
Question 3. Outside the 16 counties where DEP directly manages septic permitting, which
entity generally remains involved in local septic permitting and inspections?
A. Federal Aviation Administration
B. Florida Building Commission only
C. The applicable county health department
D. County tax collector only
Rationale: Florida's current program information directs applicants outside the 16 specified
counties to their local county health department.
Question 4. Which Florida Administrative Code chapter is specifically associated with
standards for onsite sewage treatment and disposal systems?
A. Chapter 61G
B. Chapter 69A
C. Chapter 62-6
D. Chapter 489-9 only
Rationale: Current Florida rules governing OSTDS standards are contained in Chapter 62-6,
which replaced the former transferred 64E-6 framework.
Question 5. Which activity would generally place a person within Florida's septic tank
contractor regulatory framework?
A. Painting a bathroom wall
B. Landscaping unrelated to wastewater
,C. Contracting or advertising to provide regulated septic tank contracting services
D. Installing household cabinets
Rationale: Florida's contractor-registration requirements apply to persons performing or
holding themselves out as capable of performing regulated septic contracting activities.
Question 6. What is the primary purpose of Florida's OSTDS regulatory program?
A. Increase property taxes
B. Regulate swimming pools only
C. Protect public health and groundwater through proper septic-system design,
construction, and maintenance
D. Regulate residential roofing
Rationale: Proper OSTDS regulation protects public health and groundwater resources.
Question 7. Which type of contractor registration is specifically recognized within Florida's
septic contracting framework for advanced septic expertise?
A. Residential painting contractor
B. Master Septic Tank Contractor
C. Roofing inspector
D. Landscape architect
Rationale: Florida rules establish a Master Septic Tank Contractor category with additional
qualification requirements.
Question 8. Under the current Florida rules, which rule addresses registration requirements
for septic tank contractors?
, A. 62-6.001
B. 62-6.019
C. 62-6.030
D. 62-6.050
Rationale: Rule 62-6.019 is titled “Requirements for Registration.”
Question 9. Which current Florida rule addresses registration to become a Master Septic
Tank Contractor?
A. 62-6.005
B. 62-6.011
C. 62-6.020
D. 62-6.029
Rationale: Rule 62-6.020 addresses registration to become a Master Septic Tank
Contractor.
Question 10. Which rule addresses issuance and renewal of annual registration under the
current Florida OSTDS framework?
A. 62-6.004
B. 62-6.012
C. 62-6.021
D. 62-6.028
Rationale: Rule 62-6.021 addresses issuance and renewal of annual registration.
Question 11. Which current rule addresses certification of septic tank contracting
partnerships and corporations?
2026 -2028 – Newest 350 Practice Questions &
Answers with Rationales | Florida OSTDS Contractor
Exam Prep | pdf
NB Florida's current OSTDS framework has undergone significant administrative and rule changes,
including rules effective June 8, 2026
Questions 1–25: Florida OSTDS Regulations & Contractor Requirements
Question 1. Which Florida program primarily regulates onsite sewage treatment and
disposal systems, commonly referred to as OSTDS or septic systems?
A. Department of Transportation
B. Department of Agriculture only
C. Florida Department of Environmental Protection and applicable local authorities
D. Department of Highway Safety
Rationale: Florida's OSTDS regulatory framework is administered through DEP and
applicable local authorities, with specific permitting responsibilities varying by county.
Question 2. Beginning January 2, 2025, which agency assumed septic-system permitting
responsibilities in the specifically designated group of 16 Florida counties?
A. Department of Transportation
B. Florida Department of Environmental Protection
C. Department of Revenue
D. Department of Business and Professional Regulation
,Rationale: DEP assumed OSTDS permitting in 16 specified counties beginning January 2,
2025.
Question 3. Outside the 16 counties where DEP directly manages septic permitting, which
entity generally remains involved in local septic permitting and inspections?
A. Federal Aviation Administration
B. Florida Building Commission only
C. The applicable county health department
D. County tax collector only
Rationale: Florida's current program information directs applicants outside the 16 specified
counties to their local county health department.
Question 4. Which Florida Administrative Code chapter is specifically associated with
standards for onsite sewage treatment and disposal systems?
A. Chapter 61G
B. Chapter 69A
C. Chapter 62-6
D. Chapter 489-9 only
Rationale: Current Florida rules governing OSTDS standards are contained in Chapter 62-6,
which replaced the former transferred 64E-6 framework.
Question 5. Which activity would generally place a person within Florida's septic tank
contractor regulatory framework?
A. Painting a bathroom wall
B. Landscaping unrelated to wastewater
,C. Contracting or advertising to provide regulated septic tank contracting services
D. Installing household cabinets
Rationale: Florida's contractor-registration requirements apply to persons performing or
holding themselves out as capable of performing regulated septic contracting activities.
Question 6. What is the primary purpose of Florida's OSTDS regulatory program?
A. Increase property taxes
B. Regulate swimming pools only
C. Protect public health and groundwater through proper septic-system design,
construction, and maintenance
D. Regulate residential roofing
Rationale: Proper OSTDS regulation protects public health and groundwater resources.
Question 7. Which type of contractor registration is specifically recognized within Florida's
septic contracting framework for advanced septic expertise?
A. Residential painting contractor
B. Master Septic Tank Contractor
C. Roofing inspector
D. Landscape architect
Rationale: Florida rules establish a Master Septic Tank Contractor category with additional
qualification requirements.
Question 8. Under the current Florida rules, which rule addresses registration requirements
for septic tank contractors?
, A. 62-6.001
B. 62-6.019
C. 62-6.030
D. 62-6.050
Rationale: Rule 62-6.019 is titled “Requirements for Registration.”
Question 9. Which current Florida rule addresses registration to become a Master Septic
Tank Contractor?
A. 62-6.005
B. 62-6.011
C. 62-6.020
D. 62-6.029
Rationale: Rule 62-6.020 addresses registration to become a Master Septic Tank
Contractor.
Question 10. Which rule addresses issuance and renewal of annual registration under the
current Florida OSTDS framework?
A. 62-6.004
B. 62-6.012
C. 62-6.021
D. 62-6.028
Rationale: Rule 62-6.021 addresses issuance and renewal of annual registration.
Question 11. Which current rule addresses certification of septic tank contracting
partnerships and corporations?
