OSSF DR COMPREHENSIVE EXAM 2026 FULL
QUESTIONS AND CORRECT ANSWERS
◉ The ______ is responsible for reviewing permit applications, site
evaluations, planning materials, and conducting inspection of OSSFs.
Answer: Designated representative
◉ An individual who holds a valid license from the TCEQ and who is
compensated by another individual to construct, install, alter, or repair
an OSSF is a(n) __________. Answer: Installer
◉ An individual who visits a site and conducts soil evaluations and a site
survey is a(n) __________. Answer: Site evaluator
◉ List the OSSF licenses that require previous experience. Answer:
Installer II, Maintenance Provider
◉ Individuals working as a(n) ______________ or in any capacity for
an OSSF _________ cannot work as an Installer, Designer for a fee, or
private Site Evaluator within the jurisdiction of the permitting authority.
Answer: Designated Representative, Authorized agent
,◉ What is needed to prequalify for an exam?. Answer: submit an
application, paying class and application fees, and completing the
appropriate training course
◉ New OSSF licenses are issued for a term of _____. Answer: 3 years
◉ An individual must complete __________ of the TCEQ-approved
continuing education courses in order to renew the license. Answer: 24
hours
◉ List the nine steps of the permitting process. Answer: 1. Have site and
soil evaluation conducted by Site Evaluator
2. Select OSSF
3. System planned by qualified individual
4. Prepare and submit permit application
5. Application and planning materials reviewed by permitting authority
6. Receive permit to construct
7. Construction
8. System inspected at appropriate stages
9. Notice of approval and permit to operate issued by permitting agency
◉ Penalties for violating the laws, rules, or regulations covering OSSF
can be imposed under what headings?. Answer: criminal penalties,
injunction or civil suit, administrative penalties
, ◉ Planning materials for an OSSF utilizing secondary treatment must be
prepared by a/an __________. Answer: PE or RS
◉ Who can legally install a septic tank followed by a low-pressure
dosing drain field at a rental house?. Answer: installer II
◉ List equipment and procedures to protect a work site. Answer: cones,
barricades, pre warn, sign properly, regulate speed, guide properly
◉ OSHA requires that all excavations over ________ deep be sloped,
shored, or otherwise supported before a person enters. Answer: 5 feet
◉ A particular hazard that OSSF installers face that most construction
workers do not is __________. Answer: infectious waterborne diseases
◉ A trench measures 30 inches wide. How wide is the trench in feet?.
Answer: 2.5 feet
◉ The area of a lot is 20,076 square feet. What is the area of this lot in
acres?. Answer: 0.46 acres
◉ A septic tank has a working volume of 31 cubic feet. How many
gallons does this septic tank hold?. Answer: 231.88 or 232 gallons
QUESTIONS AND CORRECT ANSWERS
◉ The ______ is responsible for reviewing permit applications, site
evaluations, planning materials, and conducting inspection of OSSFs.
Answer: Designated representative
◉ An individual who holds a valid license from the TCEQ and who is
compensated by another individual to construct, install, alter, or repair
an OSSF is a(n) __________. Answer: Installer
◉ An individual who visits a site and conducts soil evaluations and a site
survey is a(n) __________. Answer: Site evaluator
◉ List the OSSF licenses that require previous experience. Answer:
Installer II, Maintenance Provider
◉ Individuals working as a(n) ______________ or in any capacity for
an OSSF _________ cannot work as an Installer, Designer for a fee, or
private Site Evaluator within the jurisdiction of the permitting authority.
Answer: Designated Representative, Authorized agent
,◉ What is needed to prequalify for an exam?. Answer: submit an
application, paying class and application fees, and completing the
appropriate training course
◉ New OSSF licenses are issued for a term of _____. Answer: 3 years
◉ An individual must complete __________ of the TCEQ-approved
continuing education courses in order to renew the license. Answer: 24
hours
◉ List the nine steps of the permitting process. Answer: 1. Have site and
soil evaluation conducted by Site Evaluator
2. Select OSSF
3. System planned by qualified individual
4. Prepare and submit permit application
5. Application and planning materials reviewed by permitting authority
6. Receive permit to construct
7. Construction
8. System inspected at appropriate stages
9. Notice of approval and permit to operate issued by permitting agency
◉ Penalties for violating the laws, rules, or regulations covering OSSF
can be imposed under what headings?. Answer: criminal penalties,
injunction or civil suit, administrative penalties
, ◉ Planning materials for an OSSF utilizing secondary treatment must be
prepared by a/an __________. Answer: PE or RS
◉ Who can legally install a septic tank followed by a low-pressure
dosing drain field at a rental house?. Answer: installer II
◉ List equipment and procedures to protect a work site. Answer: cones,
barricades, pre warn, sign properly, regulate speed, guide properly
◉ OSHA requires that all excavations over ________ deep be sloped,
shored, or otherwise supported before a person enters. Answer: 5 feet
◉ A particular hazard that OSSF installers face that most construction
workers do not is __________. Answer: infectious waterborne diseases
◉ A trench measures 30 inches wide. How wide is the trench in feet?.
Answer: 2.5 feet
◉ The area of a lot is 20,076 square feet. What is the area of this lot in
acres?. Answer: 0.46 acres
◉ A septic tank has a working volume of 31 cubic feet. How many
gallons does this septic tank hold?. Answer: 231.88 or 232 gallons
