Septic License Questions with Correct
Answers 2025
SepticBtanksBareBrequiredBtoBhaveBallBseamsBandBdrainBholesBsealedBtoBmakeBwaterBtight.B-
BCORRECTBANSWERB-true
allBpretreatmentBunitsB+BdistributionBboxesBareBrequiredBtoBhaveBKYBapprovalBnumbersBonBthemB-
BCORRECTBANSWERB-true
equal-flowBtypeBdistributionBboxesBmayBbeBinstalledBonBtampedBsandBorBgravelB-
BCORRECTBANSWERB-true
highestBholeBinBhillBsideBboxBdoesBnotBhaveBtoBbeBconnectedBtoBinletBpipeB-BCORRECTBANSWERB-
false
allBdistributionBboxesBshallBbeBinstalledBlevelB-BCORRECTBANSWERB-true
certifiedBinstallerBmustBlayBoutBaBsepticBsystemBpriorBtoBevacuationBtoBassureBthatBadequateBfallBbe
tweenBcomponentsBisBpossibleB-BCORRECTBANSWERB-true
equipmentBusedBinBconstructingBasepticBsystemBshouldBbe:
a.BasBheavyBasBpossibleBtoBmaximizeBsoilBcompactionB
b.BasBlightBasBpossibleBtoBminimizeBsoilBcompactionB
c.BequipmentBweightBdoesBnotBmatterB-BCORRECTBANSWERB-
b.BasBlightBasBpossibleBtoBminimizeBsoilBcompaction
theBminimumBlateralBtrenchBdepthBisB24BinchesB-BCORRECTBANSWERB-false
,soilB+BsiteBconditionsBlimitBwhichBtypeBofBonBsiteBsewageBdisposalBsystemBwillBworkBonBaBsiteB-
BCORRECTBANSWERB-true
primaryBpurposeBofBsepticBtankBisBtoBremoveBsolidsBthruBsewageBthruBsettlingB-
BCORRECTBANSWERB-true
soilBstructureBindicatesBamountBofBlargeBporeBspacesBinBsoil,BwhichBareBimportantBtoBabsorbBsewa
geBeffluentBfromBtheBlateralBlinesB-BCORRECTBANSWERB-true
grayBwaterBsystemsBcontainBdischargeBfromBtheseBfixturesB-BCORRECTBANSWERB-
laundry,BhandBwashBsink,Bshower,Bbathtubs,BlaundryBtubs
whatBisBnotBconsideredBgrayBwater?
laundry,BhandBwashBsink,Bshower,Bbathtubs,BlaundryBtubs,BfoodBprepBsink,BkitchenBsinkB-
BCORRECTBANSWERB-foodBprepBsinkB+BkitchenBsink
slopesBgreaterBthanB15%BmayBbeBunstableBwhenBon-
siteBsewageBdisposableBsystemsBinstalledBonBthemBunlessBspecialBdesignsBmodificationsBmadeB-
BCORRECTBANSWERB-true
whatBnaturalBprocessBremovesBmostBofBsewageBeffluentBfromBlateralBtrench?
a.BevaporationB
b.BgravityBflowB
c.BbacterialBactionB
d.BuptakeBbyBtreesB+BgrassB-BCORRECTBANSWERB-b.BgravityBflow
seasonalBwaterBtablesBcanBbeBidentifiedBinBdryBmonthsBbyB
a.BorangeB+BredBcolorsBinBsoil
, b.BdirectBpresenceBofBwaterBinBsoilBwhenBsampled
c.Bgray,Bgreen,BblueBorBblackBcolorsBinBsoilB
d.BpresenceBofBlargeBflagBstonesB
e.BallBaboveB-BCORRECTBANSWERB-c.Bgray,Bgreen,BblueBorBblackBcolorsBinBsoil
certifiedBinstallerBmustBsubmitBproposedBsystemBdrawingBpriorBtoBobtainingBinstillationBpermitB-
BCORRECTBANSWERB-true
certifiedBinstallerBmustBlayBoutBonBsiteBsewageBsystemBtoBdetermineBifBadequateBfallBisBpossibleBbe
tweenBcomponentsB-BCORRECTBANSWERB-true
youBobtainBpermitBtoBinstallBsystemBwithBlateralBtrenchesBnoBdeeperBthanB10Binches.BifBhomeBbuil
derBtellsByouBthatBtheyBdoBnotBwantBsepticBtankBleavingBhumpBinByard.BwhatBdoByouBdo?
a.BburyBtankBdeepBenoughBinBgroundBsoBnoBhump
b.BinstallBlowBprofileBsepticBtankB
c.BinstallBregularBsepticBtankB+BaddBfillBsoilBdirtBaroundBtankBsoBnoBhumpBleftBwhenByardBisBgraded
d.BeitherBbBorBcB-BCORRECTBANSWERB-d.BbothBbB+BcB=BinstallBlowBprofileBsepticBtankBorB
B installBregularBsepticBtankB+BaddBfillBsoilBdirtBaroundBtankBsoBnoBhumpBleftBwhenByardBisBgraded
wireBtestBisB
a.BtestBtoBdetermineBifBelectricalBwiringBproperlyBinstalledB
b.BtestBtoBdetermineBwhetherBlateralBlinesBinstalledBlevelB
c.BfieldBtestBtoBdetermineBifBsoilBmoistureBwillBcauseBdamageBduringBlateralBlineBexcavation
d.BallBaboveB-BCORRECTBANSWERB-
c.BfieldBtestBtoBdetermineBifBsoilBmoistureBwillBcauseBdamageBduringBlateralBlineBexcavation
maximumBlengthBforBindividualBconventionalBlateralBtrenchBisB
Answers 2025
SepticBtanksBareBrequiredBtoBhaveBallBseamsBandBdrainBholesBsealedBtoBmakeBwaterBtight.B-
BCORRECTBANSWERB-true
allBpretreatmentBunitsB+BdistributionBboxesBareBrequiredBtoBhaveBKYBapprovalBnumbersBonBthemB-
BCORRECTBANSWERB-true
equal-flowBtypeBdistributionBboxesBmayBbeBinstalledBonBtampedBsandBorBgravelB-
BCORRECTBANSWERB-true
highestBholeBinBhillBsideBboxBdoesBnotBhaveBtoBbeBconnectedBtoBinletBpipeB-BCORRECTBANSWERB-
false
allBdistributionBboxesBshallBbeBinstalledBlevelB-BCORRECTBANSWERB-true
certifiedBinstallerBmustBlayBoutBaBsepticBsystemBpriorBtoBevacuationBtoBassureBthatBadequateBfallBbe
tweenBcomponentsBisBpossibleB-BCORRECTBANSWERB-true
equipmentBusedBinBconstructingBasepticBsystemBshouldBbe:
a.BasBheavyBasBpossibleBtoBmaximizeBsoilBcompactionB
b.BasBlightBasBpossibleBtoBminimizeBsoilBcompactionB
c.BequipmentBweightBdoesBnotBmatterB-BCORRECTBANSWERB-
b.BasBlightBasBpossibleBtoBminimizeBsoilBcompaction
theBminimumBlateralBtrenchBdepthBisB24BinchesB-BCORRECTBANSWERB-false
,soilB+BsiteBconditionsBlimitBwhichBtypeBofBonBsiteBsewageBdisposalBsystemBwillBworkBonBaBsiteB-
BCORRECTBANSWERB-true
primaryBpurposeBofBsepticBtankBisBtoBremoveBsolidsBthruBsewageBthruBsettlingB-
BCORRECTBANSWERB-true
soilBstructureBindicatesBamountBofBlargeBporeBspacesBinBsoil,BwhichBareBimportantBtoBabsorbBsewa
geBeffluentBfromBtheBlateralBlinesB-BCORRECTBANSWERB-true
grayBwaterBsystemsBcontainBdischargeBfromBtheseBfixturesB-BCORRECTBANSWERB-
laundry,BhandBwashBsink,Bshower,Bbathtubs,BlaundryBtubs
whatBisBnotBconsideredBgrayBwater?
laundry,BhandBwashBsink,Bshower,Bbathtubs,BlaundryBtubs,BfoodBprepBsink,BkitchenBsinkB-
BCORRECTBANSWERB-foodBprepBsinkB+BkitchenBsink
slopesBgreaterBthanB15%BmayBbeBunstableBwhenBon-
siteBsewageBdisposableBsystemsBinstalledBonBthemBunlessBspecialBdesignsBmodificationsBmadeB-
BCORRECTBANSWERB-true
whatBnaturalBprocessBremovesBmostBofBsewageBeffluentBfromBlateralBtrench?
a.BevaporationB
b.BgravityBflowB
c.BbacterialBactionB
d.BuptakeBbyBtreesB+BgrassB-BCORRECTBANSWERB-b.BgravityBflow
seasonalBwaterBtablesBcanBbeBidentifiedBinBdryBmonthsBbyB
a.BorangeB+BredBcolorsBinBsoil
, b.BdirectBpresenceBofBwaterBinBsoilBwhenBsampled
c.Bgray,Bgreen,BblueBorBblackBcolorsBinBsoilB
d.BpresenceBofBlargeBflagBstonesB
e.BallBaboveB-BCORRECTBANSWERB-c.Bgray,Bgreen,BblueBorBblackBcolorsBinBsoil
certifiedBinstallerBmustBsubmitBproposedBsystemBdrawingBpriorBtoBobtainingBinstillationBpermitB-
BCORRECTBANSWERB-true
certifiedBinstallerBmustBlayBoutBonBsiteBsewageBsystemBtoBdetermineBifBadequateBfallBisBpossibleBbe
tweenBcomponentsB-BCORRECTBANSWERB-true
youBobtainBpermitBtoBinstallBsystemBwithBlateralBtrenchesBnoBdeeperBthanB10Binches.BifBhomeBbuil
derBtellsByouBthatBtheyBdoBnotBwantBsepticBtankBleavingBhumpBinByard.BwhatBdoByouBdo?
a.BburyBtankBdeepBenoughBinBgroundBsoBnoBhump
b.BinstallBlowBprofileBsepticBtankB
c.BinstallBregularBsepticBtankB+BaddBfillBsoilBdirtBaroundBtankBsoBnoBhumpBleftBwhenByardBisBgraded
d.BeitherBbBorBcB-BCORRECTBANSWERB-d.BbothBbB+BcB=BinstallBlowBprofileBsepticBtankBorB
B installBregularBsepticBtankB+BaddBfillBsoilBdirtBaroundBtankBsoBnoBhumpBleftBwhenByardBisBgraded
wireBtestBisB
a.BtestBtoBdetermineBifBelectricalBwiringBproperlyBinstalledB
b.BtestBtoBdetermineBwhetherBlateralBlinesBinstalledBlevelB
c.BfieldBtestBtoBdetermineBifBsoilBmoistureBwillBcauseBdamageBduringBlateralBlineBexcavation
d.BallBaboveB-BCORRECTBANSWERB-
c.BfieldBtestBtoBdetermineBifBsoilBmoistureBwillBcauseBdamageBduringBlateralBlineBexcavation
maximumBlengthBforBindividualBconventionalBlateralBtrenchBisB