ON-SITE SEWAGE FACILITY
CERTIFICATION PREP) EXAM
2026/2027 WITH QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED PASS | OSSF
INSTALLER PRACTICE EXAM
New OSSF licenses are issued for a term of _______.An individual must renew the
license complete _________of TCEQ approved continuing education courses in
order to - ANSWER-3 years 24 hrs
an Individuals working as a _________ or in any capacity for an OSSF
__________cannot work as an installer designer for a fee , or private site evaluator
within jurisdiction of the permittinh authority - ANSWER-DR and Permitting
agency
List the OSSF licenses that require previous experience - ANSWER-Installer II
Maintenance provider
,What is needed to pre - qualify for an exam ? - ANSWER-Submit an application
Notarized experience Statements Paying class and application Fees Completing the
appropriate training Course
Penalties for violating the laws , rules , or regulations covering OSSF systems can
be imposed under what headings ? - ANSWER-Criminal penalties
Injunction civil Suit
Administrative
What should be included in an evaluation of a lot for design and installation of a
septic tank system ? - ANSWER-lot Size
Soil and Geolgic
Setbacks
Flood hazards
Give a brief description of the three textural classes of soil suitable for a standard
absorptive drainfield according to Texas OSSF rules - ANSWER-Class b =
Description Sandy
Class 2 -Description Course loamy Class 3 -Description fine loamy and Sandy
Clay
Most OSSFs use the soil to _______and t_______ wastewater - ANSWER-absorb
and treat
The most permeable of the above textural class would be - ANSWER-2b
, Mottled soil , particularly with bright and gray variations , is often indicative of
_______soil . - ANSWER-Seasonally
A very common reason for soil absorption system failures is inadequate -
ANSWER-lot Size
When systems fail in urban or suburban areas , there is a serious threat of the
spread of - ANSWER-Water born disease
Lots served by individual wells should be a minimum of ________acre in size for
a septic tank system - ANSWER-one acre
Lots served by a public water supply should be a minimum of _______ acre in size
for installation of a septic tank system - ANSWER-one - half
When minimum lot size cannot be met , an on site system must be designed by a
_______ or a _________ - ANSWER-Pro engineer or a Pro Sanitarian
When evaluating a topography site _________and potential for ________are key
considerations - ANSWER-Slope floodind
A major reason for wastewater system failure is
a homeowner waste
b . inadequate planning
c . hydraulic overloading
d . oils grease and fats - ANSWER-c . hydraulic overloading grease
The size of OSSF systems are normally based upon the