TEXAS ON-SITE SEWAGE FACILITY (OSSF) SITE
EVALUATOR EXAM 300 ACTUAL QUESTIONS AND
CORRECT ANSWERS WITH RATIONALE LATEST UPDATE
ALREADY GRADED A+
The Texas OSSF Site Evaluator Exam is a mandatory licensing assessment
administered by the Texas Commission on Environmental Quality (TCEQ) for
professionals evaluating land suitability for septic systems. Candidates must
complete an approved 24-hour training course, such as the TEEX WWW304
program, and pass a soil analysis exam before applying for licensure. Prerequisites
include holding an Installer II, Designated Representative, Professional Engineer,
Professional Sanitarian, Certified Professional Soil Scientist, or Professional
Geoscientist license. The exam tests knowledge of soil classification, groundwater
evaluation, surface drainage, setback requirements, and TCEQ regulations.
Successful licensure authorizes performance of preconstruction site evaluations for
OSSF installations.
SECTION 1: REGULATORY FRAMEWORK AND LICENSING
REQUIREMENTS
Question 1: Which Texas agency has primary regulatory authority over On-Site
Sewage Facilities (OSSFs)?
A) Texas Department of Agriculture
B) Texas Water Development Board
C) Texas Commission on Environmental Quality (TCEQ)
D) Texas Railroad Commission
Answer: C
Rationale: The Texas Commission on Environmental Quality (TCEQ) administers
and enforces OSSF regulations in Texas, including licensing for site evaluators,
under Title 30, Texas Administrative Code, Chapter 285 .
Question 2: What is the minimum prerequisite license requirement to qualify for a
Site Evaluator license in Texas?
,A) No prerequisite is required
B) Installer I license
C) Current Installer II license, Designated Representative license, Professional
Engineer license, Professional Registered Sanitarian license, Certified Professional
Soil Scientist, or Professional Geoscientist license
D) Any TCEQ occupational license
Answer: C
Rationale: To qualify for a Site Evaluator license, applicants must possess one of
the following: a current Installer II license, Designated Representative license,
Professional Engineer license, Professional Registered Sanitarian license, Certified
Professional Soil Scientist, or Professional Geoscientist license in the soil science
discipline .
Question 3: Under TCEQ rules, which individual is exempt from holding a Site
Evaluator license?
A) Any individual performing site evaluations
B) A professional engineer performing site evaluations
C) A homeowner evaluating their own property
D) A licensed installer performing site evaluations
Answer: B
Rationale: An individual possessing a current professional engineer license is not
required to possess a site evaluator license to perform site evaluations. Professional
engineers may perform site evaluations without obtaining a Site Evaluator license .
Question 4: What is the application fee for a Site Evaluator license with TCEQ?
A) $50
B) $75
C) $111
D) $250
Answer: C
Rationale: The TCEQ application fee for a Site Evaluator license is $111, as listed
in the TCEQ licensing requirements .
Question 5: What training is required before applying for a Site Evaluator license?
A) No training required
B) 8 hours of continuing education
C) Completion of an approved Site Evaluator course
D) 40 hours of field training
Answer: C
,Rationale: Applicants must complete an approved Site Evaluator training course
prior to applying with TCEQ. The TEEX course WWW304 is a 24-hour course
that prepares students for the exam .
Question 6: As of April 1, 2024, what additional exam must new Site Evaluator
applicants pass?
A) Only the written computer-based test
B) Only the field soils test
C) A soil analysis exam administered at the conclusion of the course
D) A math proficiency exam
Answer: C
Rationale: As of April 1, 2024, all applicants for a new Site Evaluator license are
required to take the soil analysis exam at the conclusion of the course. After
passing the exam, applicants can apply for the license to receive approval to take
the Site Evaluator written exam at TCEQ-approved CBT centers .
Question 7: How long is the soil analysis exam valid for a Site Evaluator
applicant?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: C
Rationale: The soil analysis exam is valid for three years after passing. Applicants
who do not complete the licensing process within this timeframe must retake the
exam .
Question 8: Which of the following activities is a licensed site evaluator authorized
to perform?
A) Install septic tanks
B) Pump septic systems
C) Perform preconstruction site evaluations to determine site suitability
D) Issue building permits
Answer: C
Rationale: Site evaluators are authorized to perform preconstruction site
evaluations to determine a site's suitability for a particular OSSF system and
identify all features that could be contaminated or interfere with proper operation .
, Question 9: According to TCEQ rules, a site evaluation must be performed on
every tract of land where an OSSF will be installed. Who may perform this
evaluation?
A) Any licensed installer
B) A site evaluator or a professional engineer
C) The property owner
D) A real estate agent
Answer: B
Rationale: A complete site evaluation shall be performed by either a site evaluator
or a professional engineer on every tract of land where an OSSF will be installed .
Question 10: Which of the following is NOT a prerequisite for the Site Evaluator
license?
A) Current Installer II license
B) Designated Representative license
C) High school diploma
D) Professional Geoscientist license in soil science
Answer: C
Rationale: There is no minimum educational requirement (such as a high school
diploma) for the Site Evaluator license. Applicants must possess one of the listed
professional licenses but no specific educational attainment is required .
Question 11: A person who acts in any capacity for a permitting authority is
prohibited from:
A) Performing site evaluations within that authority's jurisdiction
B) Issuing permits to family members
C) Working as an installer outside their jurisdiction
D) Conducting inspections on weekends
Answer: A
Rationale: Any individual who acts in any capacity for a permitting authority shall
not, within that permitting authority's area of jurisdiction, work as a site evaluator
or perform other OSSF-related activities under the permitting authority's regulatory
jurisdiction .
Question 12: A homeowner who owns a single-family dwelling may:
A) Install an OSSF without a permit
B) Install or repair an OSSF on their own property without a licensed installer
C) Perform site evaluations on their own property without a site evaluator license
D) Hire anyone to install their OSSF
Answer: B
EVALUATOR EXAM 300 ACTUAL QUESTIONS AND
CORRECT ANSWERS WITH RATIONALE LATEST UPDATE
ALREADY GRADED A+
The Texas OSSF Site Evaluator Exam is a mandatory licensing assessment
administered by the Texas Commission on Environmental Quality (TCEQ) for
professionals evaluating land suitability for septic systems. Candidates must
complete an approved 24-hour training course, such as the TEEX WWW304
program, and pass a soil analysis exam before applying for licensure. Prerequisites
include holding an Installer II, Designated Representative, Professional Engineer,
Professional Sanitarian, Certified Professional Soil Scientist, or Professional
Geoscientist license. The exam tests knowledge of soil classification, groundwater
evaluation, surface drainage, setback requirements, and TCEQ regulations.
Successful licensure authorizes performance of preconstruction site evaluations for
OSSF installations.
SECTION 1: REGULATORY FRAMEWORK AND LICENSING
REQUIREMENTS
Question 1: Which Texas agency has primary regulatory authority over On-Site
Sewage Facilities (OSSFs)?
A) Texas Department of Agriculture
B) Texas Water Development Board
C) Texas Commission on Environmental Quality (TCEQ)
D) Texas Railroad Commission
Answer: C
Rationale: The Texas Commission on Environmental Quality (TCEQ) administers
and enforces OSSF regulations in Texas, including licensing for site evaluators,
under Title 30, Texas Administrative Code, Chapter 285 .
Question 2: What is the minimum prerequisite license requirement to qualify for a
Site Evaluator license in Texas?
,A) No prerequisite is required
B) Installer I license
C) Current Installer II license, Designated Representative license, Professional
Engineer license, Professional Registered Sanitarian license, Certified Professional
Soil Scientist, or Professional Geoscientist license
D) Any TCEQ occupational license
Answer: C
Rationale: To qualify for a Site Evaluator license, applicants must possess one of
the following: a current Installer II license, Designated Representative license,
Professional Engineer license, Professional Registered Sanitarian license, Certified
Professional Soil Scientist, or Professional Geoscientist license in the soil science
discipline .
Question 3: Under TCEQ rules, which individual is exempt from holding a Site
Evaluator license?
A) Any individual performing site evaluations
B) A professional engineer performing site evaluations
C) A homeowner evaluating their own property
D) A licensed installer performing site evaluations
Answer: B
Rationale: An individual possessing a current professional engineer license is not
required to possess a site evaluator license to perform site evaluations. Professional
engineers may perform site evaluations without obtaining a Site Evaluator license .
Question 4: What is the application fee for a Site Evaluator license with TCEQ?
A) $50
B) $75
C) $111
D) $250
Answer: C
Rationale: The TCEQ application fee for a Site Evaluator license is $111, as listed
in the TCEQ licensing requirements .
Question 5: What training is required before applying for a Site Evaluator license?
A) No training required
B) 8 hours of continuing education
C) Completion of an approved Site Evaluator course
D) 40 hours of field training
Answer: C
,Rationale: Applicants must complete an approved Site Evaluator training course
prior to applying with TCEQ. The TEEX course WWW304 is a 24-hour course
that prepares students for the exam .
Question 6: As of April 1, 2024, what additional exam must new Site Evaluator
applicants pass?
A) Only the written computer-based test
B) Only the field soils test
C) A soil analysis exam administered at the conclusion of the course
D) A math proficiency exam
Answer: C
Rationale: As of April 1, 2024, all applicants for a new Site Evaluator license are
required to take the soil analysis exam at the conclusion of the course. After
passing the exam, applicants can apply for the license to receive approval to take
the Site Evaluator written exam at TCEQ-approved CBT centers .
Question 7: How long is the soil analysis exam valid for a Site Evaluator
applicant?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: C
Rationale: The soil analysis exam is valid for three years after passing. Applicants
who do not complete the licensing process within this timeframe must retake the
exam .
Question 8: Which of the following activities is a licensed site evaluator authorized
to perform?
A) Install septic tanks
B) Pump septic systems
C) Perform preconstruction site evaluations to determine site suitability
D) Issue building permits
Answer: C
Rationale: Site evaluators are authorized to perform preconstruction site
evaluations to determine a site's suitability for a particular OSSF system and
identify all features that could be contaminated or interfere with proper operation .
, Question 9: According to TCEQ rules, a site evaluation must be performed on
every tract of land where an OSSF will be installed. Who may perform this
evaluation?
A) Any licensed installer
B) A site evaluator or a professional engineer
C) The property owner
D) A real estate agent
Answer: B
Rationale: A complete site evaluation shall be performed by either a site evaluator
or a professional engineer on every tract of land where an OSSF will be installed .
Question 10: Which of the following is NOT a prerequisite for the Site Evaluator
license?
A) Current Installer II license
B) Designated Representative license
C) High school diploma
D) Professional Geoscientist license in soil science
Answer: C
Rationale: There is no minimum educational requirement (such as a high school
diploma) for the Site Evaluator license. Applicants must possess one of the listed
professional licenses but no specific educational attainment is required .
Question 11: A person who acts in any capacity for a permitting authority is
prohibited from:
A) Performing site evaluations within that authority's jurisdiction
B) Issuing permits to family members
C) Working as an installer outside their jurisdiction
D) Conducting inspections on weekends
Answer: A
Rationale: Any individual who acts in any capacity for a permitting authority shall
not, within that permitting authority's area of jurisdiction, work as a site evaluator
or perform other OSSF-related activities under the permitting authority's regulatory
jurisdiction .
Question 12: A homeowner who owns a single-family dwelling may:
A) Install an OSSF without a permit
B) Install or repair an OSSF on their own property without a licensed installer
C) Perform site evaluations on their own property without a site evaluator license
D) Hire anyone to install their OSSF
Answer: B
