New Hampshire Septic System Installer Exam
Newest Evaluated Exam Practice 100
Questions |Original Questions & Answers
|Detailed Rationales |Hinted Complete Exam
Prep Graded A+*Instant Download Pdf*
1. In New Hampshire, the primary administrative rules governing subsurface wastewater disposal
systems are found in:
A) Env-Wq 100
B) Env-Wq 1000
C) Env-Air 200
D) RSA 485-A
Answer: B
Rationale: Env-Wq 1000 contains the NH subsurface wastewater disposal system rules.
2. A septic system installer in New Hampshire must generally be certified by:
A) The local police department
B) The NH Department of Environmental Services (NHDES)
C) The fire marshal
D) The EPA only
Answer: B
Rationale: NHDES administers installer certification and subsurface system rules.
3. Before installing a new septic system, the installer should verify that the project has:
A) A building permit only
B) An approved subsurface system permit from NHDES or local health officer
,C) A driveway permit
D) A wetland permit only
Answer: B
Rationale: Installation must follow an approved permit and approved plan.
4. The primary purpose of a septic tank is to:
A) Treat effluent to drinking water standards
B) Separate solids, scum, and liquid and provide primary treatment
C) Store all wastewater indefinitely
D) Pump effluent to the surface
Answer: B
Rationale: The tank separates floatables and settleable solids and allows anaerobic digestion.
5. A septic tank should be watertight to prevent:
A) Effluent from entering the tank
B) Groundwater infiltration and effluent exfiltration
C) Pump operation
D) Odor release only
Answer: B
Rationale: Watertight tanks prevent groundwater from entering and untreated sewage from leaking out.
6. The device that prevents floating scum from leaving the septic tank is called the:
A) Baffle
B) Effluent filter
C) Distribution box
D) Pump float
Answer: A
Rationale: Inlet and outlet baffles retain scum and prevent solids from exiting the tank.
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, 7. An effluent filter is typically installed:
A) In the distribution box
B) At the outlet of the septic tank
C) In the pump chamber only
D) At the end of each lateral
Answer: B
Rationale: Effluent filters capture suspended solids before effluent enters the drainfield.
8. A riser on a septic tank is used to:
A) Increase tank volume
B) Provide access to the tank for inspection and pumping without excavation
C) Increase pump pressure
D) Reduce odor
Answer: B
Rationale: Risers bring access points to grade for maintenance.
9. The minimum access opening for a septic tank riser should generally allow:
A) A 6-inch inspection only
B) A person or equipment to inspect and pump the tank
C) Only a hose
D) No access
Answer: B
Rationale: Access must be adequate for inspection, pumping, and service.
10. When inspecting a septic tank, the installer should check that the inlet and outlet baffles are:
A) Missing
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Newest Evaluated Exam Practice 100
Questions |Original Questions & Answers
|Detailed Rationales |Hinted Complete Exam
Prep Graded A+*Instant Download Pdf*
1. In New Hampshire, the primary administrative rules governing subsurface wastewater disposal
systems are found in:
A) Env-Wq 100
B) Env-Wq 1000
C) Env-Air 200
D) RSA 485-A
Answer: B
Rationale: Env-Wq 1000 contains the NH subsurface wastewater disposal system rules.
2. A septic system installer in New Hampshire must generally be certified by:
A) The local police department
B) The NH Department of Environmental Services (NHDES)
C) The fire marshal
D) The EPA only
Answer: B
Rationale: NHDES administers installer certification and subsurface system rules.
3. Before installing a new septic system, the installer should verify that the project has:
A) A building permit only
B) An approved subsurface system permit from NHDES or local health officer
,C) A driveway permit
D) A wetland permit only
Answer: B
Rationale: Installation must follow an approved permit and approved plan.
4. The primary purpose of a septic tank is to:
A) Treat effluent to drinking water standards
B) Separate solids, scum, and liquid and provide primary treatment
C) Store all wastewater indefinitely
D) Pump effluent to the surface
Answer: B
Rationale: The tank separates floatables and settleable solids and allows anaerobic digestion.
5. A septic tank should be watertight to prevent:
A) Effluent from entering the tank
B) Groundwater infiltration and effluent exfiltration
C) Pump operation
D) Odor release only
Answer: B
Rationale: Watertight tanks prevent groundwater from entering and untreated sewage from leaking out.
6. The device that prevents floating scum from leaving the septic tank is called the:
A) Baffle
B) Effluent filter
C) Distribution box
D) Pump float
Answer: A
Rationale: Inlet and outlet baffles retain scum and prevent solids from exiting the tank.
2
, 7. An effluent filter is typically installed:
A) In the distribution box
B) At the outlet of the septic tank
C) In the pump chamber only
D) At the end of each lateral
Answer: B
Rationale: Effluent filters capture suspended solids before effluent enters the drainfield.
8. A riser on a septic tank is used to:
A) Increase tank volume
B) Provide access to the tank for inspection and pumping without excavation
C) Increase pump pressure
D) Reduce odor
Answer: B
Rationale: Risers bring access points to grade for maintenance.
9. The minimum access opening for a septic tank riser should generally allow:
A) A 6-inch inspection only
B) A person or equipment to inspect and pump the tank
C) Only a hose
D) No access
Answer: B
Rationale: Access must be adequate for inspection, pumping, and service.
10. When inspecting a septic tank, the installer should check that the inlet and outlet baffles are:
A) Missing
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