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NASSCO Lateral Assessment Certification Program (LACP) — 100 Practice Questions with
Answers & Rationales
Section 1: LACP Fundamentals & Purpose
1. What is the primary purpose of the Lateral Assessment Certification Program (LACP)?
A. To inspect water distribution systems
B. To standardize assessment of private sewer laterals
C. To design wastewater treatment plants
D. To regulate industrial discharge
Answer: B
Rationale: LACP provides a standardized system for coding and assessing the condition of
private sewer laterals using CCTV inspection methods .
2. Which type of pipeline is evaluated under LACP?
A. Storm drains only
B. Mainline sewers
C. Private building sewer laterals
D. Water supply lines
Answer: C
Rationale: LACP specifically focuses on private sewer laterals connecting buildings to
mainline sewers .
3. What inspection method is most commonly used in LACP?
A. Visual manhole inspection
B. Smoke testing
C. CCTV inspection
D. Dye testing
Answer: C
Rationale: Closed-circuit television (CCTV) inspection is the standard method for assessing
laterals under LACP .
4. LACP is a continuation of which NASSCO program?
A. MACP
B. PACP
C. ITCP
D. SRM
Answer: B
Rationale: LACP is a continuation of the Pipeline Assessment Certification Program. PACP is a
prerequisite for LACP .
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5. What is the required passing score for LACP certification?
A. 70%
B. 75%
C. 80%
D. 85%
Answer: D
Rationale: Students must achieve at least 85% on the LACP exam to become certified .
6. Which organization developed and maintains the LACP standard?
A. ASTM International
B. AWWA
C. NASSCO
D. EPA
Answer: C
Rationale: NASSCO (National Association of Sewer Service Companies) developed and
maintains the LACP standard .
7. What is the fundamental premise of LACP?
A. Laterals require completely different inspection methods than mainlines
B. Lateral pipes are no different than mainline pipes except for size and configuration
C. Laterals cannot be inspected with CCTV
D. Only structural defects are coded in laterals
Answer: B
Rationale: The premise of LACP is that lateral pipes are no different than mainline pipes
except for their size and configuration. PACP observation and defect codes apply to laterals
in all respects except for tap codes .
8. How many CEUs/PDHs is LACP worth?
A. 0.35 CEUs or 3.5 PDHs
B. 1.7 CEUs or 17 PDHs
C. 0.45 CEUs or 4.5 PDHs
D. 2.0 CEUs or 20 PDHs
Answer: A
Rationale: LACP is worth 0.35 CEUs or 3.5 PDHs. PACP is worth 1.7 CEUs/17 PDHs and MACP
is worth 0.45 CEUs/4.5 PDHs .
9. What is the recertification requirement for LACP?
A. Every year
B. Every 2 years
C. Every 3 years
D. Every 5 years
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Answer: C
Rationale: Recertification is required every 3 years. Online, self-paced recertification is
available .
10. Which of the following is NOT a module in the NASSCO assessment programs?
A. Mainline PACP
B. Lateral LACP
C. Manhole MACP
D. Pump Station PSCP
Answer: D
Rationale: The three NASSCO assessment modules are Mainline PACP, Lateral LACP, and
Manhole MACP. There is no Pump Station module .
Section 2: Lateral Configurations & Inspection Basics
11. From which direction does LACP inspection typically proceed?
A. From the building toward the mainline
B. From the mainline toward the building
C. From the cleanout toward the mainline only
D. In either direction randomly
Answer: B
Rationale: LACP inspections generally assess laterals from the mainline toward the building
or property-side endpoint. BSDI commonly proceeds from the building side toward the main
.
12. What are the three main starting points for LACP surveys?
A. Manhole, cleanout, and mainline
B. Building, street, and yard
C. Pump station, treatment plant, and manhole
D. Storm drain, sanitary sewer, and combined
Answer: A
Rationale: LACP surveys may start from the manhole, from the main, or from the cleanout.
Access points are critical and must be thoroughly understood .
13. What is a lateral cleanout used for?
A. Increasing flow velocity
B. Providing access for maintenance and inspection
C. Reducing pipe diameter
D. Preventing infiltration
Answer: B
Rationale: Cleanouts allow access for inspection and maintenance of sewer laterals .
NASSCO Lateral Assessment Certification Program (LACP) — 100 Practice Questions with
Answers & Rationales
Section 1: LACP Fundamentals & Purpose
1. What is the primary purpose of the Lateral Assessment Certification Program (LACP)?
A. To inspect water distribution systems
B. To standardize assessment of private sewer laterals
C. To design wastewater treatment plants
D. To regulate industrial discharge
Answer: B
Rationale: LACP provides a standardized system for coding and assessing the condition of
private sewer laterals using CCTV inspection methods .
2. Which type of pipeline is evaluated under LACP?
A. Storm drains only
B. Mainline sewers
C. Private building sewer laterals
D. Water supply lines
Answer: C
Rationale: LACP specifically focuses on private sewer laterals connecting buildings to
mainline sewers .
3. What inspection method is most commonly used in LACP?
A. Visual manhole inspection
B. Smoke testing
C. CCTV inspection
D. Dye testing
Answer: C
Rationale: Closed-circuit television (CCTV) inspection is the standard method for assessing
laterals under LACP .
4. LACP is a continuation of which NASSCO program?
A. MACP
B. PACP
C. ITCP
D. SRM
Answer: B
Rationale: LACP is a continuation of the Pipeline Assessment Certification Program. PACP is a
prerequisite for LACP .
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5. What is the required passing score for LACP certification?
A. 70%
B. 75%
C. 80%
D. 85%
Answer: D
Rationale: Students must achieve at least 85% on the LACP exam to become certified .
6. Which organization developed and maintains the LACP standard?
A. ASTM International
B. AWWA
C. NASSCO
D. EPA
Answer: C
Rationale: NASSCO (National Association of Sewer Service Companies) developed and
maintains the LACP standard .
7. What is the fundamental premise of LACP?
A. Laterals require completely different inspection methods than mainlines
B. Lateral pipes are no different than mainline pipes except for size and configuration
C. Laterals cannot be inspected with CCTV
D. Only structural defects are coded in laterals
Answer: B
Rationale: The premise of LACP is that lateral pipes are no different than mainline pipes
except for their size and configuration. PACP observation and defect codes apply to laterals
in all respects except for tap codes .
8. How many CEUs/PDHs is LACP worth?
A. 0.35 CEUs or 3.5 PDHs
B. 1.7 CEUs or 17 PDHs
C. 0.45 CEUs or 4.5 PDHs
D. 2.0 CEUs or 20 PDHs
Answer: A
Rationale: LACP is worth 0.35 CEUs or 3.5 PDHs. PACP is worth 1.7 CEUs/17 PDHs and MACP
is worth 0.45 CEUs/4.5 PDHs .
9. What is the recertification requirement for LACP?
A. Every year
B. Every 2 years
C. Every 3 years
D. Every 5 years
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Answer: C
Rationale: Recertification is required every 3 years. Online, self-paced recertification is
available .
10. Which of the following is NOT a module in the NASSCO assessment programs?
A. Mainline PACP
B. Lateral LACP
C. Manhole MACP
D. Pump Station PSCP
Answer: D
Rationale: The three NASSCO assessment modules are Mainline PACP, Lateral LACP, and
Manhole MACP. There is no Pump Station module .
Section 2: Lateral Configurations & Inspection Basics
11. From which direction does LACP inspection typically proceed?
A. From the building toward the mainline
B. From the mainline toward the building
C. From the cleanout toward the mainline only
D. In either direction randomly
Answer: B
Rationale: LACP inspections generally assess laterals from the mainline toward the building
or property-side endpoint. BSDI commonly proceeds from the building side toward the main
.
12. What are the three main starting points for LACP surveys?
A. Manhole, cleanout, and mainline
B. Building, street, and yard
C. Pump station, treatment plant, and manhole
D. Storm drain, sanitary sewer, and combined
Answer: A
Rationale: LACP surveys may start from the manhole, from the main, or from the cleanout.
Access points are critical and must be thoroughly understood .
13. What is a lateral cleanout used for?
A. Increasing flow velocity
B. Providing access for maintenance and inspection
C. Reducing pipe diameter
D. Preventing infiltration
Answer: B
Rationale: Cleanouts allow access for inspection and maintenance of sewer laterals .
