OSSF Installer 1 Test Preparation
License 2025 Review | Comprehensive
Questions and Answers | 100% Correct |
A Grade
NB deck based off the TEEX 2021 participant manual for OSSF-Installer 1
training and the course of instruction provided in April 2025. Mastery of this
slide deck should virtually guarantee a 90% or better on the OSSF Installer 1
test.
Description
This OSSF Installer 1 License exam (Texas TCEQ) tests knowledge on On-Site
Sewage Facility construction, regulations, septic tank specs (materials,
dimensions, reinforcement), drain field design (soil types, gravity flow), safety,
and homeowner education, with Quizlet flashcards available for practice
covering tank details (length/width, partitions, lids) and regulatory aspects like
installer licensing by the TCEQ. Expect questions on soil properties (clay vs.
sand), system components (tanks, pipes, drain fields), installation
requirements (depth, slopes, risers), and the purpose of OSSF
maintenance. (Ultimate Guide for YR. 2026/2027)
Quiz_________________?
AA = Q / Ra
is the formula used to calculate what? -
1
, Answer
The formula used to calculate Absorptive Area in a
trench/single-pipe drainfield
Quiz_________________?
Percipitation
Percolation
Runoff
are 3 ways in which what happens? -
Answer
the 3 ways in which the water supply is replenished
are what?
Quiz_________________?
Groundwater
is defined as? -
Answer
water that collects beneath the earth in aquifers
2
, is termed as?
Quiz_________________?
Surface water
is defined as? -
Answer
water that is found above ground in containment areas
is termed as?
Quiz_________________?
Percolation
is defined as? -
Answer
the way in which water table aquifers are recharged
is termed as?
3
, Quiz_________________?
Neighborhood pollution
Groundwater pollution
Surface water pollution -
Answer
the three primary routes of septic systems to contaminate the
environment
Quiz_________________?
Static water level
is defined as? -
Answer
the level at which water stands in a well
is termed as?
Quiz_________________?
Point source pollution -
Answer
specifically located controllable pollution
4
License 2025 Review | Comprehensive
Questions and Answers | 100% Correct |
A Grade
NB deck based off the TEEX 2021 participant manual for OSSF-Installer 1
training and the course of instruction provided in April 2025. Mastery of this
slide deck should virtually guarantee a 90% or better on the OSSF Installer 1
test.
Description
This OSSF Installer 1 License exam (Texas TCEQ) tests knowledge on On-Site
Sewage Facility construction, regulations, septic tank specs (materials,
dimensions, reinforcement), drain field design (soil types, gravity flow), safety,
and homeowner education, with Quizlet flashcards available for practice
covering tank details (length/width, partitions, lids) and regulatory aspects like
installer licensing by the TCEQ. Expect questions on soil properties (clay vs.
sand), system components (tanks, pipes, drain fields), installation
requirements (depth, slopes, risers), and the purpose of OSSF
maintenance. (Ultimate Guide for YR. 2026/2027)
Quiz_________________?
AA = Q / Ra
is the formula used to calculate what? -
1
, Answer
The formula used to calculate Absorptive Area in a
trench/single-pipe drainfield
Quiz_________________?
Percipitation
Percolation
Runoff
are 3 ways in which what happens? -
Answer
the 3 ways in which the water supply is replenished
are what?
Quiz_________________?
Groundwater
is defined as? -
Answer
water that collects beneath the earth in aquifers
2
, is termed as?
Quiz_________________?
Surface water
is defined as? -
Answer
water that is found above ground in containment areas
is termed as?
Quiz_________________?
Percolation
is defined as? -
Answer
the way in which water table aquifers are recharged
is termed as?
3
, Quiz_________________?
Neighborhood pollution
Groundwater pollution
Surface water pollution -
Answer
the three primary routes of septic systems to contaminate the
environment
Quiz_________________?
Static water level
is defined as? -
Answer
the level at which water stands in a well
is termed as?
Quiz_________________?
Point source pollution -
Answer
specifically located controllable pollution
4
