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Exam (elaborations)

SEPTIC EXAM UPGRADED QUESTION AND ANSWERS 2025/2026

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SEPTIC EXAM UPGRADED QUESTION AND ANSWERS 2025/2026 1000 - correct answers-For 1-3 bedrooms, the minimum size of septic tank is _______ gallons. Depth of the backfill material shall be a minimum of 12 inches and a maximum of 24 inches - correct answers-True Failure to obtain a sewer permit can result in the revocation or denial of a certified installers license - correct answers-True Changes in drain field design, after issuing a permit, must be approved by the county environmental health department - correct answers-True Grey water( laundry water) need not to be connected to the septic tank - correct answers-False Holding tanks are an acceptable alternative to an on-site wastewater treatment system - correct answers-False Gravity fed distribution lines must be fabricated from 4 inch diameter ASTM D-303 PVC sewer pipe or ASTM F810 HDPE, with perforations per ASTM D-2729 - correct answers-True Clay soils generally indicate a slower perc. rate and the need for larger drain field - correct answers-True Course sands and gravel often indicate excessive percolation rates(less than 3 min/inch) and may require additional construction steps to effectively treat wastewater - correct answers-True

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Septic Flashcards
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Septic flashcards
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Uploaded on
July 9, 2025
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
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Questions & answers

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Permit - correct answers-No person shall commence construction of any building which requires
connection to a sewage system unless a valid _______ has been issued



50 - correct answers-a septic tank must be at least _____ feet from any well, lake, stream, swampy area,
active irrigation ditch or 100 year floodplain



24 - correct answers-certified installers shall notify the county environmental health department ______
hoirs prior to completion of any installation



10 - correct answers-Septic tanks shall have a minimum of _____ feet of schedule 40 PVC pipe entering
and exiting the tank



10 - correct answers-A drain field must be laid at least ____ feet horizontally from any existing or
proposed water line



1/4 - correct answers-The sewer line between the dwelling and septic tank shall be placed at a minimum
downward slope of ______ in/ft



5 - correct answers-Absorption trenches shall be separated by a minimum of _______ ft as measured
from distribution pipe to distribution pipe.



Distribution Box - correct answers-___________ may be used in gravity systems of lieu of manifolds



Backfilling - correct answers-The property owner and/or person installing a sewage system must notify
the county environmental health department for a final inspection prior to ________



10 - correct answers-A septic tank must be at least ______ feet from any foundation wall
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