OSSF DR 110 QUESTIONS & CORRECT ANSWERS
LATEST 2025
Septic tanks were introduced in the United States in the _______. - ANSWER-
1880s
The beginning of statewide regulation of the OSSFs across Texas was ________.
A. November 1987
B. April 1989
C. September 1989
D. March 1985 - ANSWER-C
True or False:
Before 1989, Texas had no statewide regulation. - ANSWER-True
True or False:
The law gives the local government the right to adopt local regulations that are
more stringent than the state OSSF law or rules. - ANSWER-True
True or False:
,The following are key elements of the Texas OSSF rules:
On-site sewage disposal system, Agency/Commission, Authorized Agent (AA),
Designated Representative (DR), Installer, Apprentice, Site-Evaluator (SE),
Maintenance Provider (MP), and Maintenance Technician. - ANSWER-True
One or more systems of treatment devices and disposal facilities that:
- Produce not more than 5,000 gallons of waste each day:
- Are used only for disposal of sewage produced on the site where the system is
located (new cluster systems are prohibited); and
-Dispose of wastewater on-site into the soil or as a vapor to the atmosphere. -
ANSWER-On-Site Sewage Disposal System:
TCEQ is the state agency responsible for making sure that OSSF laws, rules, and
regulations are enforces statewide - ANSWER-Agency/Commission
The local government entity authorized by the TQEC to implement and enforce
the OSSF laws and regulations. - ANSWER-Authorized Agent (AA)
An individual who holds a DR license and is designated by the authorized agent to
review permit applications, conduct site evaluations, review planning materials,
and conduct inspections 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. (Two levels
Installer I and II) - ANSWER-Installer
, Single family residence homeowners may install, or repair their own systems
without being a registered installer. (does not apply to owners developing
property for sale or for lease. - ANSWER-One exception to TCEQ certified or
registered installer requirement;
An individual who has been properly registered with the agency and is
undertaking an on-the-job training program supervised by an Installer. - ANSWER-
Apprentice
An individual who visits a site and conducts a preconstruction site evaluation
following the TCEQ rules. This evaluation includes a soil analysis, a site survey, and
other criteria necessary to determine the suitability or a site for a specific OSSF. -
ANSWER-Site Evaluator
An individual who maintains OSSF for compensation. Must be licensed with the
executive director. - ANSWER-Maintenance Provider (MP)
An individual who works under an MP and holds a valid registration issued by the
Executive Director to maintain OSSF. - ANSWER-Maintenance Technician
DR is responsible for conducting the Texas OSSF permitting program within the
jurisdiction of the local government/authorized agent who designated him or her.
- ANSWER-Permitting
DR is required to respond to complaints concerning on-site facilities within the
jurisdiction of the local government/authorized agent that has designated him or
her. - ANSWER-Complaint Investigation
LATEST 2025
Septic tanks were introduced in the United States in the _______. - ANSWER-
1880s
The beginning of statewide regulation of the OSSFs across Texas was ________.
A. November 1987
B. April 1989
C. September 1989
D. March 1985 - ANSWER-C
True or False:
Before 1989, Texas had no statewide regulation. - ANSWER-True
True or False:
The law gives the local government the right to adopt local regulations that are
more stringent than the state OSSF law or rules. - ANSWER-True
True or False:
,The following are key elements of the Texas OSSF rules:
On-site sewage disposal system, Agency/Commission, Authorized Agent (AA),
Designated Representative (DR), Installer, Apprentice, Site-Evaluator (SE),
Maintenance Provider (MP), and Maintenance Technician. - ANSWER-True
One or more systems of treatment devices and disposal facilities that:
- Produce not more than 5,000 gallons of waste each day:
- Are used only for disposal of sewage produced on the site where the system is
located (new cluster systems are prohibited); and
-Dispose of wastewater on-site into the soil or as a vapor to the atmosphere. -
ANSWER-On-Site Sewage Disposal System:
TCEQ is the state agency responsible for making sure that OSSF laws, rules, and
regulations are enforces statewide - ANSWER-Agency/Commission
The local government entity authorized by the TQEC to implement and enforce
the OSSF laws and regulations. - ANSWER-Authorized Agent (AA)
An individual who holds a DR license and is designated by the authorized agent to
review permit applications, conduct site evaluations, review planning materials,
and conduct inspections 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. (Two levels
Installer I and II) - ANSWER-Installer
, Single family residence homeowners may install, or repair their own systems
without being a registered installer. (does not apply to owners developing
property for sale or for lease. - ANSWER-One exception to TCEQ certified or
registered installer requirement;
An individual who has been properly registered with the agency and is
undertaking an on-the-job training program supervised by an Installer. - ANSWER-
Apprentice
An individual who visits a site and conducts a preconstruction site evaluation
following the TCEQ rules. This evaluation includes a soil analysis, a site survey, and
other criteria necessary to determine the suitability or a site for a specific OSSF. -
ANSWER-Site Evaluator
An individual who maintains OSSF for compensation. Must be licensed with the
executive director. - ANSWER-Maintenance Provider (MP)
An individual who works under an MP and holds a valid registration issued by the
Executive Director to maintain OSSF. - ANSWER-Maintenance Technician
DR is responsible for conducting the Texas OSSF permitting program within the
jurisdiction of the local government/authorized agent who designated him or her.
- ANSWER-Permitting
DR is required to respond to complaints concerning on-site facilities within the
jurisdiction of the local government/authorized agent that has designated him or
her. - ANSWER-Complaint Investigation
