Designated Representative
OSSF 2026 Expert Verifed Ace
the Text
30 TAC Chapter 285 - 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.
,30 TAC Chapter 30 - ANSWER ✔✔The licensing of installers,
designated representatives, and site evaluators and the registration of
apprentices is included in this chapter.
Title 5, Chapter 366 Texas Health and Safety Code - ANSWER
✔✔The Texas statute establishing OSSF regulations and regulators.
September 1989 - ANSWER ✔✔The year in which statewide
regulation of OSSFs began
OSSF minimum requirements - 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
1990 - ANSWER ✔✔The requirement for installers to be licensed
went into effect
1998 - ANSWER ✔✔The requirement for Installer II and DR to be
licensed went into effect
2002 - ANSWER ✔✔The requirement for SE to be licensed went into
effect
,2009 - ANSWER ✔✔The requirement for MP to be licensed went into
effect
Installer II extra requirements - ANSWER ✔✔- one year as Installer I
and 3 installations w/notarized statements
- or two years as apprentice with six installations w/notarized statements
SE extra requirements - ANSWER ✔✔must have previous license of
one:
Installer II
DR
PE
RS
Professional Geoscientist
MP extra requirements - ANSWER ✔✔Installer II, Class C
Wastewater License, or documented experience of 3 years as
maintenance technician
Maintenance Technician and Apprentice note - ANSWER ✔✔Only
license that doesn't require exam, Apprentice does not require class
either
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 3 years, 24 hours - ANSWER ✔✔OSSF licenses are issued for a
term of ____ years and require ____ hours for renewal
Daily - ANSWER ✔✔How often must an installer check an
apprentice's work?
Ten Acre Rule - 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.
Permit Processing Steps - 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
OSSF 2026 Expert Verifed Ace
the Text
30 TAC Chapter 285 - 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.
,30 TAC Chapter 30 - ANSWER ✔✔The licensing of installers,
designated representatives, and site evaluators and the registration of
apprentices is included in this chapter.
Title 5, Chapter 366 Texas Health and Safety Code - ANSWER
✔✔The Texas statute establishing OSSF regulations and regulators.
September 1989 - ANSWER ✔✔The year in which statewide
regulation of OSSFs began
OSSF minimum requirements - 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
1990 - ANSWER ✔✔The requirement for installers to be licensed
went into effect
1998 - ANSWER ✔✔The requirement for Installer II and DR to be
licensed went into effect
2002 - ANSWER ✔✔The requirement for SE to be licensed went into
effect
,2009 - ANSWER ✔✔The requirement for MP to be licensed went into
effect
Installer II extra requirements - ANSWER ✔✔- one year as Installer I
and 3 installations w/notarized statements
- or two years as apprentice with six installations w/notarized statements
SE extra requirements - ANSWER ✔✔must have previous license of
one:
Installer II
DR
PE
RS
Professional Geoscientist
MP extra requirements - ANSWER ✔✔Installer II, Class C
Wastewater License, or documented experience of 3 years as
maintenance technician
Maintenance Technician and Apprentice note - ANSWER ✔✔Only
license that doesn't require exam, Apprentice does not require class
either
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 3 years, 24 hours - ANSWER ✔✔OSSF licenses are issued for a
term of ____ years and require ____ hours for renewal
Daily - ANSWER ✔✔How often must an installer check an
apprentice's work?
Ten Acre Rule - 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.
Permit Processing Steps - 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
