MASSACHUSETTS TITLE 5 SYSTEM
INSPECTOR CERTIFICATION
TRAINING EXAM 2026 Questions and
Answers
Purpose of Septic System Inspection - Correct answer-• Component location
• System conditions
• Pass/Fail criteria
Goal of Onsite Sewage Disposal - Correct answer-• Physical removal of sewage
from source
• Treatment in both tank and soil
Functionality of Onsite Sewage Disposal - Correct answer-• Onsite systems
provide effective treatment of sewage if designed, installed, and maintained
properly
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, • Equivalent to sanitary sewer in terms of protection of environment and public
health
ONSITE WASTEWATER SYSTEM Major Components - Correct answer-•
Primary (septic) tank
• Secondary Pre-Treatment System (optional)
• Soil Absorption System
Primary (Septic) Tank: - Correct answer-• Always full
• Oil and grease floats to top
• Solid material settles to bottom
• Needs routine maintenance (pumping) depending on size and usage and how
much material builds up in tank
Pre-Treatment System (optional): - Correct answer-• Provides additional cleanup of
sewage prior to it entering into the soil
• "Mini sewage treatment plant" so it needs to be maintained on regular basis
• Can be effective in overcoming health or environmental protection concerns
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
INSPECTOR CERTIFICATION
TRAINING EXAM 2026 Questions and
Answers
Purpose of Septic System Inspection - Correct answer-• Component location
• System conditions
• Pass/Fail criteria
Goal of Onsite Sewage Disposal - Correct answer-• Physical removal of sewage
from source
• Treatment in both tank and soil
Functionality of Onsite Sewage Disposal - Correct answer-• Onsite systems
provide effective treatment of sewage if designed, installed, and maintained
properly
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, • Equivalent to sanitary sewer in terms of protection of environment and public
health
ONSITE WASTEWATER SYSTEM Major Components - Correct answer-•
Primary (septic) tank
• Secondary Pre-Treatment System (optional)
• Soil Absorption System
Primary (Septic) Tank: - Correct answer-• Always full
• Oil and grease floats to top
• Solid material settles to bottom
• Needs routine maintenance (pumping) depending on size and usage and how
much material builds up in tank
Pre-Treatment System (optional): - Correct answer-• Provides additional cleanup of
sewage prior to it entering into the soil
• "Mini sewage treatment plant" so it needs to be maintained on regular basis
• Can be effective in overcoming health or environmental protection concerns
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
