DESIGNATED REPRESENTATIVE OSSF
CERTIFICATION EVALUATION TEST 2026
PRACTICE SOLUTION QUESTIONS AND
ANSWERS
●● Alternate System
Answer: wastewaterA non-standard individual onsite wastewater
treatment or collection system approved by the department in instances
where a standard system is not suitable.
●● Approved System
Answer: An onsite wastewater system constructed and installed in
accordance with the standards and requirements of this Regulation for
which a permit for operation has been issued. "Approved System" does
not imply that the system will perform satisfactorily for a specific period
of time, only that the system has met the minimum requirements of this
regulation.
●● Authorized Agent
Answer: The Environmental Health Specialist assigned to the County, or
Business Unit by the Department
●● Bedrock
,Answer: Consolidated rocks such as sandstones, siltstones, and shale,
which essentially retain their depositional or tectonic orientation. Fine
earth materials shall constitute less than 10% of the materials and no
other conditions exist that would provide adequate wastewater
renovation. Where bedrock and soil horizons are interlayered, the depth
to bedrock shall be the cumulative thickness of the soil layers greater
than or equal to four inches in thickness within 72 inches of the soil
surface.
●● Bedroom
Answer: Any room inside a residence intended for the purposes of
sleeping quarters.
●● Benchmark
Answer: A mark made on a stationary object of a determined position
and elevation and used as a reference point
●● Community Wastewater System
Answer: Any system, whether public or privately owned, serving 2 or
more individual lots, for the collection, treatment and disposal of
wastewater or industrial wastes of a liquid nature, including various
devices for the treatment of such wastewater or industrial wastes.
●● Department
Answer: The Arkansas Department of Health
, ●● Designated Representative (DR)
Answer: A person certified by the Department to make percolation tests,
system designs and inspections subject to the Authorized Agent's final
approval. Designated Representatives shall be registered professional
engineers, registered land surveyors, licensed master plumbers,
registered sanitarians or other similarly qualified individuals holding
current certificates from the State of Arkansas, and shall demonstrate to
the satisfaction of the Authorized Agent prior to their designation as a
"Designated Representative" their competency to make percolation tests,
designs and final inspections for onsite wastewater systems in
accordance with these Rule and Regulations and when authorized by the
Authorized Agent.
●● Dwelling Unit
Answer: A structure intended to be used as a residence. A single
structure may contain more than one dwelling unit such as a duplex
contains two dwelling units.
●● Distribution Box
Answer: A watertight box that receives the discharge of effluent from the
septics tank and distributes the flow of wastewater equally to each
absorption trench.
●● Distribution Device
CERTIFICATION EVALUATION TEST 2026
PRACTICE SOLUTION QUESTIONS AND
ANSWERS
●● Alternate System
Answer: wastewaterA non-standard individual onsite wastewater
treatment or collection system approved by the department in instances
where a standard system is not suitable.
●● Approved System
Answer: An onsite wastewater system constructed and installed in
accordance with the standards and requirements of this Regulation for
which a permit for operation has been issued. "Approved System" does
not imply that the system will perform satisfactorily for a specific period
of time, only that the system has met the minimum requirements of this
regulation.
●● Authorized Agent
Answer: The Environmental Health Specialist assigned to the County, or
Business Unit by the Department
●● Bedrock
,Answer: Consolidated rocks such as sandstones, siltstones, and shale,
which essentially retain their depositional or tectonic orientation. Fine
earth materials shall constitute less than 10% of the materials and no
other conditions exist that would provide adequate wastewater
renovation. Where bedrock and soil horizons are interlayered, the depth
to bedrock shall be the cumulative thickness of the soil layers greater
than or equal to four inches in thickness within 72 inches of the soil
surface.
●● Bedroom
Answer: Any room inside a residence intended for the purposes of
sleeping quarters.
●● Benchmark
Answer: A mark made on a stationary object of a determined position
and elevation and used as a reference point
●● Community Wastewater System
Answer: Any system, whether public or privately owned, serving 2 or
more individual lots, for the collection, treatment and disposal of
wastewater or industrial wastes of a liquid nature, including various
devices for the treatment of such wastewater or industrial wastes.
●● Department
Answer: The Arkansas Department of Health
, ●● Designated Representative (DR)
Answer: A person certified by the Department to make percolation tests,
system designs and inspections subject to the Authorized Agent's final
approval. Designated Representatives shall be registered professional
engineers, registered land surveyors, licensed master plumbers,
registered sanitarians or other similarly qualified individuals holding
current certificates from the State of Arkansas, and shall demonstrate to
the satisfaction of the Authorized Agent prior to their designation as a
"Designated Representative" their competency to make percolation tests,
designs and final inspections for onsite wastewater systems in
accordance with these Rule and Regulations and when authorized by the
Authorized Agent.
●● Dwelling Unit
Answer: A structure intended to be used as a residence. A single
structure may contain more than one dwelling unit such as a duplex
contains two dwelling units.
●● Distribution Box
Answer: A watertight box that receives the discharge of effluent from the
septics tank and distributes the flow of wastewater equally to each
absorption trench.
●● Distribution Device
