South Carolina Septic Tank Installer
License PRACTICE QUESTIONS
|ORIGINAL QUESTIONS & ANSWERS
|DETAILED RATIONALES |HINTED
COMPLETE EXAM PREP GRADED
A+*INSTANT DOWNLOAD PDF
Section 1 — Licensing and Regulation
1. What South Carolina regulation primarily governs onsite
wastewater systems?
A. Regulation 61-43
B. Regulation 61-50
C. Regulation 61-56
D. Regulation 61-68
Rationale: Regulation 61-56 is South Carolina's Onsite Wastewater
Systems regulation.
2. What agency administers the current onsite wastewater
program?
A. South Carolina Department of Transportation
B. South Carolina Department of Agriculture
C. South Carolina Department of Environmental Services (SCDES)
D. South Carolina Building Commission
Rationale: The regulation identifies the South Carolina Department of
Environmental Services as the Department responsible for the
program.
,3. What minimum score must an applicant achieve on the septic
installer licensing examination?
A. 60%
B. 70%
C. 75%
D. 80%
Rationale: SCDES states that the installer examination must be
passed with a score of 80% or better.
4. A person wants to construct onsite wastewater systems as a
business. What is generally required?
A. Only a county business license
B. Only manufacturer training
C. A valid SCDES installer license
D. No license
Rationale: Persons responsible for construction or repair of onsite
wastewater systems must be properly licensed, subject to applicable
exceptions.
5. Which installer tier is authorized to install all gravity-fed
residential onsite wastewater systems?
A. Pumper Tier
B. Tier 1
C. Tier 2 only
D. Tier 3 only
Rationale: Tier 1 installers may install gravity-fed residential onsite
wastewater systems.
6. Which installer tier may install systems involving pumps?
A. Tier 1
B. Tier 2
,C. Pumper only
D. Unlicensed laborer
Rationale: Tier 2 includes Tier 1 work plus systems involving pumps
and several other specialized categories.
7. Which tier includes Standard 610 specialized onsite wastewater
systems?
A. Tier 1
B. Tier 2
C. Tier 3
D. Pumper/Hauler
Rationale: Tier 3 includes Tier 1 and Tier 2 systems plus Standard 610
specialized systems.
8. Which tier is authorized to repair existing onsite wastewater
systems?
A. Tier 1 only
B. Tier 2 and Tier 3
C. Pumper/Hauler only
D. Apprentice only
Rationale: The regulation specifically excludes Tier 1 from repairs but
authorizes Tier 2 and Tier 3 installers to conduct repairs.
9. Which activity is outside the normal scope of a Tier 1 installer?
A. Gravity-fed residential installation
B. Residential conventional system installation
C. Repair of an existing onsite wastewater system
D. Installation of an authorized residential gravity system
Rationale: Tier 1 is not authorized to conduct repairs on existing
systems.
10. How often must licensed installers generally renew their
licenses?
, A. Every month
B. Every five years
C. Annually
D. Only after changing employers
Rationale: SCDES states that septic-system licenses must be renewed
annually.
Section 2 — Purposes and Public Health
11. What is a primary purpose of Regulation 61-56?
A. Increase property values
B. Protect public health and the environment
C. Regulate electrical contractors
D. Establish municipal sewer rates
Rationale: Proper treatment and disposal of domestic wastewater
are intended to protect families, communities, and environmental
resources.
12. Improper wastewater disposal can transmit disease primarily
through contamination of:
A. Building materials only
B. Food, water, and land surfaces
C. Roofing materials
D. Electrical systems
Rationale: The regulation identifies fecal contamination of food,
water, and land as a pathway for disease transmission.
13. Proper onsite wastewater treatment should prevent
contamination of:
A. Only private property
B. Drinking-water supplies
License PRACTICE QUESTIONS
|ORIGINAL QUESTIONS & ANSWERS
|DETAILED RATIONALES |HINTED
COMPLETE EXAM PREP GRADED
A+*INSTANT DOWNLOAD PDF
Section 1 — Licensing and Regulation
1. What South Carolina regulation primarily governs onsite
wastewater systems?
A. Regulation 61-43
B. Regulation 61-50
C. Regulation 61-56
D. Regulation 61-68
Rationale: Regulation 61-56 is South Carolina's Onsite Wastewater
Systems regulation.
2. What agency administers the current onsite wastewater
program?
A. South Carolina Department of Transportation
B. South Carolina Department of Agriculture
C. South Carolina Department of Environmental Services (SCDES)
D. South Carolina Building Commission
Rationale: The regulation identifies the South Carolina Department of
Environmental Services as the Department responsible for the
program.
,3. What minimum score must an applicant achieve on the septic
installer licensing examination?
A. 60%
B. 70%
C. 75%
D. 80%
Rationale: SCDES states that the installer examination must be
passed with a score of 80% or better.
4. A person wants to construct onsite wastewater systems as a
business. What is generally required?
A. Only a county business license
B. Only manufacturer training
C. A valid SCDES installer license
D. No license
Rationale: Persons responsible for construction or repair of onsite
wastewater systems must be properly licensed, subject to applicable
exceptions.
5. Which installer tier is authorized to install all gravity-fed
residential onsite wastewater systems?
A. Pumper Tier
B. Tier 1
C. Tier 2 only
D. Tier 3 only
Rationale: Tier 1 installers may install gravity-fed residential onsite
wastewater systems.
6. Which installer tier may install systems involving pumps?
A. Tier 1
B. Tier 2
,C. Pumper only
D. Unlicensed laborer
Rationale: Tier 2 includes Tier 1 work plus systems involving pumps
and several other specialized categories.
7. Which tier includes Standard 610 specialized onsite wastewater
systems?
A. Tier 1
B. Tier 2
C. Tier 3
D. Pumper/Hauler
Rationale: Tier 3 includes Tier 1 and Tier 2 systems plus Standard 610
specialized systems.
8. Which tier is authorized to repair existing onsite wastewater
systems?
A. Tier 1 only
B. Tier 2 and Tier 3
C. Pumper/Hauler only
D. Apprentice only
Rationale: The regulation specifically excludes Tier 1 from repairs but
authorizes Tier 2 and Tier 3 installers to conduct repairs.
9. Which activity is outside the normal scope of a Tier 1 installer?
A. Gravity-fed residential installation
B. Residential conventional system installation
C. Repair of an existing onsite wastewater system
D. Installation of an authorized residential gravity system
Rationale: Tier 1 is not authorized to conduct repairs on existing
systems.
10. How often must licensed installers generally renew their
licenses?
, A. Every month
B. Every five years
C. Annually
D. Only after changing employers
Rationale: SCDES states that septic-system licenses must be renewed
annually.
Section 2 — Purposes and Public Health
11. What is a primary purpose of Regulation 61-56?
A. Increase property values
B. Protect public health and the environment
C. Regulate electrical contractors
D. Establish municipal sewer rates
Rationale: Proper treatment and disposal of domestic wastewater
are intended to protect families, communities, and environmental
resources.
12. Improper wastewater disposal can transmit disease primarily
through contamination of:
A. Building materials only
B. Food, water, and land surfaces
C. Roofing materials
D. Electrical systems
Rationale: The regulation identifies fecal contamination of food,
water, and land as a pathway for disease transmission.
13. Proper onsite wastewater treatment should prevent
contamination of:
A. Only private property
B. Drinking-water supplies
