ONSITE WASTEWATER SYSTEMS EXAM
2025/2026 QUESTIONS AND ANSWERS
100% PASS
Who has a septic tank system? - ANS All buildings in NC with plumbing must be connected to
some type of approved wastewater disposal system.
If a building with plumbing facilities is not on a city sewer system, then in most cases it has a
____________ to dispose of wastewater. - ANS septic tank system
Who regulates onsite wastewater systems? - ANS Onsite wastewater section (OSWW),
Division of Environmental Health (DEH), Department of Environment and Natural Resources
(DENR)
Authority is delegated to local __________________ to issue septic permits, regulate
installations, and enforce NC laws and rules. - ANS health department
Local health department staff are trained and authorized by the ______ and _______ Section. -
ANS DEH and OSWW
A permit is needed before any ______ is installed or repaired. - ANS septic system
An Environmental Health Specialist must visit the site to evaluate ________ and
________________ before a permit can be issued. - ANS soil and site conditions
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, An EHS must also approve the installation before it is put into use and before the electrical
supply is _____________ connected to the building. - ANS permanently
New System Permits - ANS improvement or authorization to construct permits; all
regulations apply
Repair Permits - ANS Best professional judgement may be used by the EHS
Existing Service Permit - ANS Reuse of an existing system; e.g. new mobile home moved onto
site
Operations Permit - ANS After final inspection of the installation by the EHS
Typical Permitting Procedure in NC:
-Apply to Environmental Health Section of the _________________.
-_________________ by an ESH.
-Issuance or denial of _______ permit.
-Issuance of Authorization to ________ Permit. (including specifications for the system)>
-Installation of the system by a __________________.
-Final ______________ by ESH.
-Issuance of the __________________ permit. (conditions may apply). - ANS -county health
department
-soil and site evaluation
-improvement
-construct
-private installer
-inspection
-operational
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
2025/2026 QUESTIONS AND ANSWERS
100% PASS
Who has a septic tank system? - ANS All buildings in NC with plumbing must be connected to
some type of approved wastewater disposal system.
If a building with plumbing facilities is not on a city sewer system, then in most cases it has a
____________ to dispose of wastewater. - ANS septic tank system
Who regulates onsite wastewater systems? - ANS Onsite wastewater section (OSWW),
Division of Environmental Health (DEH), Department of Environment and Natural Resources
(DENR)
Authority is delegated to local __________________ to issue septic permits, regulate
installations, and enforce NC laws and rules. - ANS health department
Local health department staff are trained and authorized by the ______ and _______ Section. -
ANS DEH and OSWW
A permit is needed before any ______ is installed or repaired. - ANS septic system
An Environmental Health Specialist must visit the site to evaluate ________ and
________________ before a permit can be issued. - ANS soil and site conditions
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, An EHS must also approve the installation before it is put into use and before the electrical
supply is _____________ connected to the building. - ANS permanently
New System Permits - ANS improvement or authorization to construct permits; all
regulations apply
Repair Permits - ANS Best professional judgement may be used by the EHS
Existing Service Permit - ANS Reuse of an existing system; e.g. new mobile home moved onto
site
Operations Permit - ANS After final inspection of the installation by the EHS
Typical Permitting Procedure in NC:
-Apply to Environmental Health Section of the _________________.
-_________________ by an ESH.
-Issuance or denial of _______ permit.
-Issuance of Authorization to ________ Permit. (including specifications for the system)>
-Installation of the system by a __________________.
-Final ______________ by ESH.
-Issuance of the __________________ permit. (conditions may apply). - ANS -county health
department
-soil and site evaluation
-improvement
-construct
-private installer
-inspection
-operational
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.