New Hampshire Septic Installer Exam 3 Study Guide | Site
Conditions, Setbacks, EDAs & Troubleshooting 2027
This professional regulatory resource serves as a premier test bank explicitly
engineered for subsurface wastewater practitioners preparing for the New Hampshire
Department of Environmental Services (NHDES) Septic System Installer
Certification Examination. It features high-yield, scenario-based practice questions,
100% verified correct answers, and thorough legal and technical rationales
mapped directly to the New Hampshire Code of Administrative Rules Chapter Env-Wq
1000. Reviewing these premium testing parameters ensures absolute competence
across site condition evaluations, regulatory setback distances, Effluent Disposal Area
(EDA) design mechanics, and complex field troubleshooting protocols to guarantee
you clear your state licensing benchmark on the first attempt.
Section 1: Regulatory Authority, Permits & Licensing
1. Which New Hampshire state agency has primary regulatory authority over the
design, installation, and permitting of individual sewage disposal systems (ISDS)?
A. New Hampshire Department of Health and Human Services
B. New Hampshire Department of Environmental Services (NHDES)
C. New Hampshire Department of Natural and Cultural Resources
D. New Hampshire Department of Safety
Answer: B
Rationale: NHDES, specifically the Subsurface Systems Bureau (SSB), is the primary
regulatory authority. Authority comes from RSA 485-A:29-44-a and Env-Wq 1000 .
2. How often must a permitted septic installer renew their permit?
A. Annually
B. Every two years
C. Every three years
D. Every five years
Answer: B
Rationale: Installer and designer permits are valid for a two-year period from January 1 to
December 31 of the following year. Permits must be renewed by December 31 of every
even year .
,3. How many continuing education credit hours must a permitted installer
complete within each two-year renewal period?
A. 3 hours
B. 6 hours
C. 9 hours
D. 12 hours
Answer: B
Rationale: Permitted designers and installers must complete a minimum of six credit hours
of continuing education per renewal period .
4. What is the biennial renewal fee for installer and designer permits in New
Hampshire?
A. $40
B. $60
C. $80
D. $100
Answer: C
Rationale: The biennial renewal fee is $80 per permit .
5. What is the only exception to the requirement that septic systems must be
installed by a permitted installer?
A. A homeowner installing at their primary domicile
B. A homeowner installing at a rental property
C. A homeowner installing at a future domicile
D. A homeowner installing at a commercial property
Answer: A
Rationale: A homeowner may install or repair a septic system at their own primary
domicile after obtaining necessary approvals. A domicile is defined as the place where an
individual has their true, fixed, permanent home .
6. What happens if a permit is not renewed within 30 days of expiration?
A. It is void
B. It is suspended
C. It is revoked
D. It is extended
Answer: B
Rationale: Permits that are not renewed within 30 days of the permit expiration date shall
be deemed suspended .
, 7. What is required to reinstate a suspended permit?
A. Only the renewal fee
B. Complete renewal application, permit fee, late fee, reinstatement fee, and CE
documentation
C. Only a new exam
D. Nothing, it automatically reinstates
Answer: B
Rationale: Reinstatement requires a complete renewal application, the $80 permit fee, the
$80 late fee, an $80 reinstatement fee, and documentation of CE requirements .
8. What is required to obtain a new permit if the previous permit became void?
A. Pay a fine
B. Successfully retake the appropriate examination
C. Wait one year
D. Submit a letter of explanation
Answer: B
Rationale: An individual whose permit has become void must apply as for a new permit,
which includes successfully retaking the appropriate examination .
9. According to 2023 data, what percentage of people taking the installer and
designer exams did NOT pass?
A. 50%
B. 60%
C. 80%
D. 20%
Answer: C
Rationale: In 2023, eighty percent of people taking the exams did not pass because they
lacked training and experience in the industry .
10. What is the primary reason for the low pass rate on the exam according to
NHDES?
A. The exam is too difficult
B. Limited educational opportunities and lack of training/experience
C. The rules are too complex
D. The exam is not open book
Answer: B
Rationale: The root cause is limited educational opportunities; candidates need
Conditions, Setbacks, EDAs & Troubleshooting 2027
This professional regulatory resource serves as a premier test bank explicitly
engineered for subsurface wastewater practitioners preparing for the New Hampshire
Department of Environmental Services (NHDES) Septic System Installer
Certification Examination. It features high-yield, scenario-based practice questions,
100% verified correct answers, and thorough legal and technical rationales
mapped directly to the New Hampshire Code of Administrative Rules Chapter Env-Wq
1000. Reviewing these premium testing parameters ensures absolute competence
across site condition evaluations, regulatory setback distances, Effluent Disposal Area
(EDA) design mechanics, and complex field troubleshooting protocols to guarantee
you clear your state licensing benchmark on the first attempt.
Section 1: Regulatory Authority, Permits & Licensing
1. Which New Hampshire state agency has primary regulatory authority over the
design, installation, and permitting of individual sewage disposal systems (ISDS)?
A. New Hampshire Department of Health and Human Services
B. New Hampshire Department of Environmental Services (NHDES)
C. New Hampshire Department of Natural and Cultural Resources
D. New Hampshire Department of Safety
Answer: B
Rationale: NHDES, specifically the Subsurface Systems Bureau (SSB), is the primary
regulatory authority. Authority comes from RSA 485-A:29-44-a and Env-Wq 1000 .
2. How often must a permitted septic installer renew their permit?
A. Annually
B. Every two years
C. Every three years
D. Every five years
Answer: B
Rationale: Installer and designer permits are valid for a two-year period from January 1 to
December 31 of the following year. Permits must be renewed by December 31 of every
even year .
,3. How many continuing education credit hours must a permitted installer
complete within each two-year renewal period?
A. 3 hours
B. 6 hours
C. 9 hours
D. 12 hours
Answer: B
Rationale: Permitted designers and installers must complete a minimum of six credit hours
of continuing education per renewal period .
4. What is the biennial renewal fee for installer and designer permits in New
Hampshire?
A. $40
B. $60
C. $80
D. $100
Answer: C
Rationale: The biennial renewal fee is $80 per permit .
5. What is the only exception to the requirement that septic systems must be
installed by a permitted installer?
A. A homeowner installing at their primary domicile
B. A homeowner installing at a rental property
C. A homeowner installing at a future domicile
D. A homeowner installing at a commercial property
Answer: A
Rationale: A homeowner may install or repair a septic system at their own primary
domicile after obtaining necessary approvals. A domicile is defined as the place where an
individual has their true, fixed, permanent home .
6. What happens if a permit is not renewed within 30 days of expiration?
A. It is void
B. It is suspended
C. It is revoked
D. It is extended
Answer: B
Rationale: Permits that are not renewed within 30 days of the permit expiration date shall
be deemed suspended .
, 7. What is required to reinstate a suspended permit?
A. Only the renewal fee
B. Complete renewal application, permit fee, late fee, reinstatement fee, and CE
documentation
C. Only a new exam
D. Nothing, it automatically reinstates
Answer: B
Rationale: Reinstatement requires a complete renewal application, the $80 permit fee, the
$80 late fee, an $80 reinstatement fee, and documentation of CE requirements .
8. What is required to obtain a new permit if the previous permit became void?
A. Pay a fine
B. Successfully retake the appropriate examination
C. Wait one year
D. Submit a letter of explanation
Answer: B
Rationale: An individual whose permit has become void must apply as for a new permit,
which includes successfully retaking the appropriate examination .
9. According to 2023 data, what percentage of people taking the installer and
designer exams did NOT pass?
A. 50%
B. 60%
C. 80%
D. 20%
Answer: C
Rationale: In 2023, eighty percent of people taking the exams did not pass because they
lacked training and experience in the industry .
10. What is the primary reason for the low pass rate on the exam according to
NHDES?
A. The exam is too difficult
B. Limited educational opportunities and lack of training/experience
C. The rules are too complex
D. The exam is not open book
Answer: B
Rationale: The root cause is limited educational opportunities; candidates need
