Designated Representative OSSF Exam 2025 Updated | Verified Questions & Answers | Complete Study Guide | 100% Correct | Guaranteed Success | A+ Graded Prep Package

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Designated Representative OSSF
Exam (2025) UPDATE Verified
Questions And Answers | With 100%
Correct Answers graded A+
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30 TAC Chapter 285 - CORRECT ANSWER This chapter establishes minimum standards
for planning materials, construction, installation, alteration, repair, extension, operation,
maintenance, permitting, and inspection of OSSFs. This chapter also provides the procedures for
the designation of local governmental entities as authorized agents.



QUESTION :30 TAC Chapter 30 - CORRECT ANSWER The licensing of installers, designated
representatives, and site evaluators and the registration of apprentices is included in this chapter.



QUESTION :Title 5, Chapter 366 Texas Health and Safety Code - CORRECT ANSWER The
Texas statute establishing OSSF regulations and regulators.



QUESTION :September 1989 - CORRECT ANSWER The year in which statewide regulation of
OSSFs began



QUESTION :OSSF minimum requirements - CORRECT ANSWER 1) produce no more than
5,000 g of waste daily

2) waste must originate and be disposed of on site

3) wastewater must be disposed in soil or as vapor



QUESTION :1990 - CORRECT ANSWER The requirement for installers to be licensed went
into effect


2026 2027 GRADED A+

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QUESTION :1998 - CORRECT ANSWER The requirement for Installer II and DR to be
licensed went into effect



QUESTION :2002 - CORRECT ANSWER The requirement for SE to be licensed went into
effect



QUESTION :2009 - CORRECT ANSWER The requirement for MP to be licensed went into
effect



QUESTION :Installer II extra requirements - CORRECT ANSWER - one year as Installer I
and 3 installations w/notarized statements

- or two years as apprentice with six installations w/notarized statements



QUESTION :SE extra requirements - CORRECT ANSWER must have previous license of one:

Installer II

DR

PE

RS

Professional Geoscientist



QUESTION :MP extra requirements - CORRECT ANSWER Installer II, Class C Wastewater
License, or documented experience of 3 years as maintenance technician



QUESTION :Maintenance Technician and Apprentice note - CORRECT ANSWER Only license
that doesn't require exam, Apprentice does not require class either




2026 2027 GRADED A+

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QUESTION :3 years, 24 hours - CORRECT ANSWER OSSF licenses are issued for a term of
____ years and require ____ hours for renewal



QUESTION :Daily - CORRECT ANSWER How often must an installer check an apprentice's
work?



QUESTION :Ten Acre Rule - CORRECT ANSWER An OSSF for a single-family residence on a
10 acre lot or more with disposal lines at least 100ft from property line are not required to apply for
a permit for a new construction.



QUESTION :Permit Processing Steps - CORRECT ANSWER 1) Site Evaluation w/ written
report

2) Selection of OSSF based on Site Evaluation

3) System planned

4) Permit application and planning materials submitted

5) Application reviewed and approved or denied within 30 days

6) Authorization to Construct ATC issued and valid for 1 year

7) Construction

8) Inspection covering all parts of system. If failed, 7 days to send letter of deficiencies

9) License to Operate LTO issued



QUESTION :OSSF permit application should include: - CORRECT ANSWER - Site Evaluation

- Legal description of property

- Affidavits as required

- Maintenance contract

- Design Calculations

- Equipment/Material Specifications



2026 2027 GRADED A+