CT Septic License Exam Questions and answers with
verified Answers (Latest Update 2026) UPDATE!!
BRAND NEW VERSION!!
What are the capacities for each side of a septic tank? -
ANSWER--2/3 inlet side, 1/3 outlet side
How many inches lower should the outlet be from the inlet
in a septic tank? - ANSWER--3"
What information must be present on the outlet side of a
septic tank? - ANSWER--- Name of manufacturer
- Date manufactured
- Size of tank in gallons
,- External load limit
- Warning placard
How many additional gallons per bedroom are required for
each bedroom beyond 3? - ANSWER--125 gallons
How many additional gallons per bedroom are required for
each bedroom beyond 4? - ANSWER--225 gallons
How far below finished grade can clean out and baffle
inspection manholes be? - ANSWER--No deeper than 12"
Tank riser covers shall be at least _________ lbs,
or_______________________, or
, _______________________________ - ANSWER--59
lbs, tank covers shall remain on tank clean outs, a
secondary safety device shall be provided
What are the 3 main functions of a septic tank? -
ANSWER--1. Removes most of the settleable solids
2. Provides and effluent of relatively uniform physical,
chemical and biological characteristics
3. Provides some reduction in pollution levels in the
effluent
Where should perc tests be conducted? - ANSWER--In
primary and reserve septic areas
verified Answers (Latest Update 2026) UPDATE!!
BRAND NEW VERSION!!
What are the capacities for each side of a septic tank? -
ANSWER--2/3 inlet side, 1/3 outlet side
How many inches lower should the outlet be from the inlet
in a septic tank? - ANSWER--3"
What information must be present on the outlet side of a
septic tank? - ANSWER--- Name of manufacturer
- Date manufactured
- Size of tank in gallons
,- External load limit
- Warning placard
How many additional gallons per bedroom are required for
each bedroom beyond 3? - ANSWER--125 gallons
How many additional gallons per bedroom are required for
each bedroom beyond 4? - ANSWER--225 gallons
How far below finished grade can clean out and baffle
inspection manholes be? - ANSWER--No deeper than 12"
Tank riser covers shall be at least _________ lbs,
or_______________________, or
, _______________________________ - ANSWER--59
lbs, tank covers shall remain on tank clean outs, a
secondary safety device shall be provided
What are the 3 main functions of a septic tank? -
ANSWER--1. Removes most of the settleable solids
2. Provides and effluent of relatively uniform physical,
chemical and biological characteristics
3. Provides some reduction in pollution levels in the
effluent
Where should perc tests be conducted? - ANSWER--In
primary and reserve septic areas