OSSF INSTALLER 1 & OSSF INSTALLER 2 FINAL EXAM PACK | QUESTIONS AND
VERIFIED ANSWERS| 100% CORRECT| GRADE A+ |100% PASS
When did law requiring Installer 1 license go into effect? - ANSWER March 1, 1990
What is evaporation? - ANSWER water coming from ground
What is transpiration? - ANSWER water coming from plants
What are bacteria that can cause disease called - ANSWER pathogens
Microorganisms in wastewater include - ANSWER bacteria, viruses, protozoa and melminths
What is a solid that can be filtered from waste called - ANSWER TOS total suspended solids
What is a solid that cannot be filtered from wastewater called - ANSWER TDS total dissolved solids
What is Biochemical Oxygen Demand (BOD) - ANSWER measure strength of wastewater in regard to
organic loading
What is dissolved oxygen (DO) - ANSWER free oxygen that can become available to waste, is consumed
in a short period of time, measure of freshness
Temp up, DO down Temp down, DO up
What pH is typical for wastewater - ANSWER 6.5-8.0
How does nitrogen removal take place? - ANSWER by vegetative uptake and denitrification in slow rate
systems
,What are the 2 most common symptoms of a failing OSSF system - ANSWER water flowing back into
house and pooling on the ground
Anaerobic bacteria is NOT found in - ANSWER activated sludge
Are bore holes, injection wells or cesspools legal? - ANSWER no
Can artesian wells be contaminated from bore holes? - ANSWER yes
When did license for Installer 2 and Designated Rep go into effect? - ANSWER 1998
Requirements to take Installer 2 class - ANSWER Installer 1 license for 1 yr and 3 installs or 2 yrs as
apprentice plus 6 installs
Does Designated Representative need experience? - ANSWER No, just course and test at 70%, but
cannot work as installer/designer/evaluator in jurisdiction
Requirements for Site Evaluator - ANSWER Current Installer 2, DR, Engineer, Sanitarian, Geoscientist
Requirements for Maintenance Provider - ANSWER Maintenance Tech for 3 years or Installer 2 plus class
What septic systems require planning by Professional Engineer? - ANSWER low pressure dosing,
absorptive mounds, soil substitution, secondary treatment, anything aerobic
What does it mean to alter a septic system? - ANSWER To change an on-site sewage facility
Authorization to construct - ANSWER first part of the permit
Authorized agent - ANSWER delegated the authority by the executive director to implement and enforce
the rules
, Certified professional soil scientist - ANSWER individual who has met the certification requirements of
the American Society of Agronomy to engage in the practice of soil science
Designated representative - ANSWER An individual who holds a valid license to review permit
applications, site evaluations, or planning materials, or conduct inspections on on-site sewage facilities.
Floodplain (100-year) - ANSWER has a 1% chance of flooding each year
Gravel-less drainfield pipe - ANSWER eight-inch or ten-inch diameter geotextile fabric-wrapped piping
product without gravel or media
Groundwater - ANSWER Subsurface water occurring in soils and geologic formations that are fully
saturated either year-round or on a seasonal or intermittent basis
Local governmental entity - ANSWER municipality, county, river authority, or special district, including
groundwater conservation districts, soil and water conservation districts, and public health districts
Maintenance - ANSWER Maintenance does not include alterations
Maintenance provider - ANSWER Through August 31, 2009, a maintenance company is a person or
business that maintains on-site sewage facilities for compensation
Malfunctioning OSSF - ANSWER on-site sewage facility that is causing a nuisance or is not operating in
compliance
On-site sewage disposal system - ANSWER does not treat more than 5,000 gallons per day, only used for
disposal of sewage from site.
Professional engineer - ANSWER Texas Board of Professional Engineers to engage in the practice of
engineering in the State of Texas
, Professional sanitarian - ANSWER individual registered by the Texas Department of State Health Services
to carry out educational and inspection duties in the field of sanitation
Recharge feature - ANSWER Permeable geologic or manmade feature located on the Edwards Aquifer
Recharge Zone, hydrologic interconnectedness and rapid infiltration can occur
Sewage - ANSWER is primarily organic and biodegradable or decomposable, and originates as human,
animal, or plant waste
Site evaluator - ANSWER conducts preconstruction site evaluations, performs soil analysis, a site survey,
or other activities necessary to determine the suitability of a site for OSSF
Can a professional engineer perform sit evaluation without SE license - ANSWER Yes
What is a well - ANSWER defined under Texas Water Code, Chapters 26, 32, and 33, and 16 TAC Chapter
76
How often does an install renew their registration - ANSWER every 3 years
Types of penalties for violating OSSF regulations - ANSWER injunction, civil or criminal
Health and Safety Code, Chapter 366 - ANSWER Updated February 7, 2017
On-Site Sewage Facilities, Title 30, TAC Chapter 285 - ANSWER Effective December 29, 2016
Occupational Licenses and Registrations, Title 30, TAC Chapter 30, Subchapters A and G - ANSWER
Effective September 29, 2016
Major steps in permitting process - ANSWER Site/soil evaluation
Select OSSF system
System planning
VERIFIED ANSWERS| 100% CORRECT| GRADE A+ |100% PASS
When did law requiring Installer 1 license go into effect? - ANSWER March 1, 1990
What is evaporation? - ANSWER water coming from ground
What is transpiration? - ANSWER water coming from plants
What are bacteria that can cause disease called - ANSWER pathogens
Microorganisms in wastewater include - ANSWER bacteria, viruses, protozoa and melminths
What is a solid that can be filtered from waste called - ANSWER TOS total suspended solids
What is a solid that cannot be filtered from wastewater called - ANSWER TDS total dissolved solids
What is Biochemical Oxygen Demand (BOD) - ANSWER measure strength of wastewater in regard to
organic loading
What is dissolved oxygen (DO) - ANSWER free oxygen that can become available to waste, is consumed
in a short period of time, measure of freshness
Temp up, DO down Temp down, DO up
What pH is typical for wastewater - ANSWER 6.5-8.0
How does nitrogen removal take place? - ANSWER by vegetative uptake and denitrification in slow rate
systems
,What are the 2 most common symptoms of a failing OSSF system - ANSWER water flowing back into
house and pooling on the ground
Anaerobic bacteria is NOT found in - ANSWER activated sludge
Are bore holes, injection wells or cesspools legal? - ANSWER no
Can artesian wells be contaminated from bore holes? - ANSWER yes
When did license for Installer 2 and Designated Rep go into effect? - ANSWER 1998
Requirements to take Installer 2 class - ANSWER Installer 1 license for 1 yr and 3 installs or 2 yrs as
apprentice plus 6 installs
Does Designated Representative need experience? - ANSWER No, just course and test at 70%, but
cannot work as installer/designer/evaluator in jurisdiction
Requirements for Site Evaluator - ANSWER Current Installer 2, DR, Engineer, Sanitarian, Geoscientist
Requirements for Maintenance Provider - ANSWER Maintenance Tech for 3 years or Installer 2 plus class
What septic systems require planning by Professional Engineer? - ANSWER low pressure dosing,
absorptive mounds, soil substitution, secondary treatment, anything aerobic
What does it mean to alter a septic system? - ANSWER To change an on-site sewage facility
Authorization to construct - ANSWER first part of the permit
Authorized agent - ANSWER delegated the authority by the executive director to implement and enforce
the rules
, Certified professional soil scientist - ANSWER individual who has met the certification requirements of
the American Society of Agronomy to engage in the practice of soil science
Designated representative - ANSWER An individual who holds a valid license to review permit
applications, site evaluations, or planning materials, or conduct inspections on on-site sewage facilities.
Floodplain (100-year) - ANSWER has a 1% chance of flooding each year
Gravel-less drainfield pipe - ANSWER eight-inch or ten-inch diameter geotextile fabric-wrapped piping
product without gravel or media
Groundwater - ANSWER Subsurface water occurring in soils and geologic formations that are fully
saturated either year-round or on a seasonal or intermittent basis
Local governmental entity - ANSWER municipality, county, river authority, or special district, including
groundwater conservation districts, soil and water conservation districts, and public health districts
Maintenance - ANSWER Maintenance does not include alterations
Maintenance provider - ANSWER Through August 31, 2009, a maintenance company is a person or
business that maintains on-site sewage facilities for compensation
Malfunctioning OSSF - ANSWER on-site sewage facility that is causing a nuisance or is not operating in
compliance
On-site sewage disposal system - ANSWER does not treat more than 5,000 gallons per day, only used for
disposal of sewage from site.
Professional engineer - ANSWER Texas Board of Professional Engineers to engage in the practice of
engineering in the State of Texas
, Professional sanitarian - ANSWER individual registered by the Texas Department of State Health Services
to carry out educational and inspection duties in the field of sanitation
Recharge feature - ANSWER Permeable geologic or manmade feature located on the Edwards Aquifer
Recharge Zone, hydrologic interconnectedness and rapid infiltration can occur
Sewage - ANSWER is primarily organic and biodegradable or decomposable, and originates as human,
animal, or plant waste
Site evaluator - ANSWER conducts preconstruction site evaluations, performs soil analysis, a site survey,
or other activities necessary to determine the suitability of a site for OSSF
Can a professional engineer perform sit evaluation without SE license - ANSWER Yes
What is a well - ANSWER defined under Texas Water Code, Chapters 26, 32, and 33, and 16 TAC Chapter
76
How often does an install renew their registration - ANSWER every 3 years
Types of penalties for violating OSSF regulations - ANSWER injunction, civil or criminal
Health and Safety Code, Chapter 366 - ANSWER Updated February 7, 2017
On-Site Sewage Facilities, Title 30, TAC Chapter 285 - ANSWER Effective December 29, 2016
Occupational Licenses and Registrations, Title 30, TAC Chapter 30, Subchapters A and G - ANSWER
Effective September 29, 2016
Major steps in permitting process - ANSWER Site/soil evaluation
Select OSSF system
System planning
