NGICP QUESTIONS WITH 100%
COMPLETE SOLUTIONS
YTheYprocessYwhereYtreesYandYvegetationYpullYmoistureYoutYofYtheYsoilYthroughYtheirYroo
tsYandYconveyYitYtoYtheirYleavesYwhereYitYisYreleasedYasYwaterYvaporYisYreferredYtoYasYwh
at?
YEvapotranspiration
YPrecipitation
YWaterYStorage
YInfiltrationY-YANS--Evapotranspiration
WhatYareYtheYpossibleYimpactsYofYsedimentYerosionYupstream?Y-YANS--FloodingY
StreamYbankYerosion
SedimentYcloggedYlakes
PollutantsYinYdrinkingYwater
TheY"whatYisYaYwatershed"YvideoYmentionedYmanyYwaysYtoYpreventYstormwaterYrunoff.Y
WhichYofYtheseYwaysYisYcategorizedYasYaYgreenYinfrastructureYpractice?
YPlantingYgrasses
YTilingYlandYless
YBeingYcarefulYofYtheYamountYofYfertilizerYusedY
YUsingYrainYgardensY-YANS--
TheYcorrectYresponseYisYusingYraingardens.YTheYotherYoptionsYcanYbeYusedYtoYpreventY
stormwaterYrunoff,YbutYareYnotYcategorizedYasYaYgreenYinfrastructureYpractice.YInstead,Yt
heyYcouldYbeYusedYindependentlyYorYalongYwithYgreenYinfrastructureYpractices.
WhatYisYstormwater?
oYAYbox-
likeYstructureYorYpitYbeneathYaYstormYsewerYinletYusedYtoYcollectYsurfaceYwaterYdrainageY
orYrunoff
oYUndergroundYlayersYofYporousYrockYsaturatedYwithYwater
oYWaterYthatYmovesYoverYorYsitsYonYtopYofYtheYgroundYsuchYasYcreeksYstreamsYriversYla
kesYwetlandsYandYoceans
oYWaterYoriginatingYfromYrainfallYorYmeltingYsnowYthatYrunsYoffYacrossYtheYlandYinsteadYo
fYinfiltratingYinYtoYtheYground.Y-YANS--
oYWaterYoriginatingYfromYrainfallYorYmeltingYsnowYthatYrunsYoffYacrossYtheYlandYinsteadYo
fYinfiltratingYinYtoYtheYground.
WhichYofYtheYfollowingYdescribeYhowYstormwaterYrunoffYimpactsYtheYenvironment?
YChooseY3.
oYPollutantYrunoffYintoYwaterways
,oYImprovedYwaterYquality
oYLandYandYstreambankYerosion
oYBenefitYtoYwildlifeYhabitats
oYPotentialYFloodingY-YANS--oYPollutantYrunoffYintoYwaterways
oYLandYandYstreambankYerosion
oYPotentialYFlooding
WhichYofYtheYfollowingYdescribeYwhyYitYisYimportantYtoYmanageYstormwaterYrunoff?
YChooseY3
oYMeetYCWAYrequirements
oYEnsureYpublicYsafety
oYIncreaseYtheYamountYofYdevelopment
oYProtectYfishYandYotherYaquaticYlifeY-YANS--oYMeetYCWAYrequirements
oYEnsureYpublicYsafety
oYProtectYfishYandYotherYaquaticYlife
WhichYofYtheYfollowingYdescribesYGreyYInfrastructure
oYAnYareaYofYlandYwithinYwhichYwaterYfromYrainYorYsnowmeltYdrainsYintoYaYsingleYbodyYo
fYwater.
oYConstructedYstructuresYsuchYasYtreatmentYfacilitiesYsewerYsystemsYstormwaterYsyste
msYorYstorageYbasins.
oYStormwaterYmanagementYpracticesYthatYprotect,YrestoreYorYmimicYtheYnaturalYwaterYc
ycle.
oYSurfacesYwhereYrainYorYmeltingYsnowYandYiceYcanYpassYthroughYtheYsurfaceYintoYtheYs
olidYofYsub-baseYbelow.Y-YANS--
oYConstructedYstructuresYsuchYasYtreatmentYfacilitiesYsewerYsystemsYstormwaterYsyste
msYorYstorageYbasins.
AYnewYhousingYdevelopmentYisYbeingYconstructedYnearby.YTheYstormwaterYrunoffYonYth
eYsiteYisYbeingYcollectedYandYconveyedYviaYpipesYandYpumps.YWhichYofYtheseYdescribes
YtheYmethodYbeingYusedYtoYmanageYstormwaterYrunoff?
oYGreyYinfrastructure
oYNon-NativeYVegetation
oYGreenYinfrastructure
oYRainwaterYharvestingY-YANS--oYGreyYinfrastructure
WhichYofYtheYfollowingYdescribesYbenefitsYofYgreenYinfrastructure?
oYWaterYqualityYtreatment
oYFlowYcontrol
oYHabitat
oYAestheticsY
oYCoolingY(reducingYheatYislandYeffect)
oYAllYofYtheYaboveY-YANS--oYAllYofYtheYabove
•YWhichYofYtheYfollowingYareYgreenYinfrastructureYpractices?YChooseY3.
oYStormYdrain
,oYPonds
oYRainYBarrel
oYRainYGarden
oYGreenYroofY-YANS--oYRainYBarrel
oYRainYGarden
oYGreenYroof
•YWhichYofYtheYfollowingYdescribesYtheYdifferenceYbetweenY"Detention"YandY"retention"?
YChooseY2.
oYDetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease.
oYRetentionYisYtheYprocessYofYcontinuouslyYholding,YstoryingYstormwaterYuntilYitYevapora
tes,YinfiltratesYorYisYusedYbyYvegetation.
oYRetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease
oYDetentionYisYtheYprocessYofYcontinuouslyYholdingYorYstoringYstormwaterYuntilYitYevapor
atesYinfiltratesYorYisYusedYbyYvegetation.Y-YANS--
oYDetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease.
oYRetentionYisYtheYprocessYofYcontinuouslyYholding,YstoringYstormwaterYuntilYitYevaporat
es,YinfiltratesYorYisYusedYbyYvegetation.
•YWhichYofYtheYfollowingYdescribesYaYwatershed
oYAnYapproachYtoYstormwaterYmanagementYthatYprotectsYrestoresYorYmimicsYtheYnatural
YwaterYcycle
oYTheYnaturalYcontinuousYprocessYwhereYwaterYfallsYfromYtheYskyYasYprecipitationYinfiltra
tesYorYrunsYoffYtheYlandYsurfaceYandYreturnsYtoYtheYskyYthroughYevaporationYorYtranspira
tion
oYAnYareaYofYlandYthatYdrainsYallYtheYrainfallYandYstreamsYtoYaYcommonYoutletYsuchYasYt
heYoutflowYofYaYreservoirYmouthYofYaYbayYorYanyYpointYalongYaYstreamYchannel.Y-YANS--
oYAnYareaYofYlandYthatYdrainsYallYtheYrainfallYandYstreamsYtoYaYcommonYoutletYsuchYasYt
heYoutflowYofYaYreservoirYmouthYofYaYbayYorYanyYpointYalongYaYstreamYchannel.
oYUseYtheYsoilYtriangleYbelow,YwhichYofYtheYfollowingYsoilYtypesYisY30%Ysand,Y30%YclayY
andY40Y%Ysilt?
YSandyYloam
YSandyYclayYloam
YClayYloamY
YSandyYclayY-YANS--ClayYloam
oYUseYtheYsoilYtriangleYbelow,YandYtheYvideo,YwhichYofYtheYfollowingYisYtrueYofYtheYsoilYty
peYthatYisY70%Yclay,Y20%YsiltYandY10%YsandYchooseY2.
YSlowestYtoYabsorbYwater
YHoldsYitsYshapeYwhenYwet
YWhenYpickedYupYhasYaYflowerYorYpoweredYfeel
YMakeYupYofYlargeYgranulesY-YANS--SlowestYtoYabsorbYwater
, Y HoldsYitsYshapeYwhenYwet
oYAsYmentionedYinYtheYTypesYofYsoilYvideoYwhichYofYtheYfollowingYabilitiesYmakeYsoilYval
uable?
YAbsorbingYandYretainingYwater
YProvidingYnutrients
YAnchoringYplants
YProvidingYaYhomeYtoYmanyYformsYofYlife
YAllYofYtheYaboveY-YANS--AllYofYtheYabove
oYAsYmentionedYinYtheYTypesYofYsoilYvideoYwhichYofYtheYfollowingYisYreferencedYasYtheYI
dealYmixYforYplanting?
YSiltY
YLoam
YSand
YClayY-YANS--Loam
oYTheYsubgradeYofYaYbioretentionYfacilityYneedsYtoYbeYcompactedYtoYsupportYhealthyYgro
wthYofYvegetation?
YTrue
YFalseY-YANS--False
WhichYofYtheYfollowingYdefinesY"infiltration"?ChooseY2.
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
oYOccursYwhenYprecipitationYfallsYonYimperviousYsurfacesYandYflowsYtoYnearbyYsurfaceY
waterways.
oYRefersYtoYsurfacesYthatYdoYnotYallowYwaterYtoYpassYthroughYtheYmaterial,YsuchYasYpav
edYroadways,YconcreteYsidewalks,Yrooftops,Yetc.
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwaterY-YANS--
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
WhichYofYtheYfollowingYdescribesYtopsoil?
oYAYlayerYofYmaterialYplacedYoverYbareYsoil,YusuallyYmadeYupYofYpartiallyYcompostedYorg
anicYmaterialsYsuchYasYshreddedYhardwood,YtreeYbarkYorYleaves
oYSturdyYconstructionYandYlandscapingYaggregateYthatYisYcommonlyYusedYunderYbuildin
gYpads,Ybases,Ydriveways,Yetc.
oYAYgeosyntheticYmaterialY(oftenYplasticYstrandsYorYstripsYjoinedYinYaYgrid)YusedYtoYreinfo
rceYsoilsYandYaggregates
oYTheYNutrientYrichYlayerYthatYprovidesYaYgrowingYmediaYforYvegetation,YoverallYsoilYstru
cture,YandYregulationYofYmoistureYcontent.Y-YANS--
COMPLETE SOLUTIONS
YTheYprocessYwhereYtreesYandYvegetationYpullYmoistureYoutYofYtheYsoilYthroughYtheirYroo
tsYandYconveyYitYtoYtheirYleavesYwhereYitYisYreleasedYasYwaterYvaporYisYreferredYtoYasYwh
at?
YEvapotranspiration
YPrecipitation
YWaterYStorage
YInfiltrationY-YANS--Evapotranspiration
WhatYareYtheYpossibleYimpactsYofYsedimentYerosionYupstream?Y-YANS--FloodingY
StreamYbankYerosion
SedimentYcloggedYlakes
PollutantsYinYdrinkingYwater
TheY"whatYisYaYwatershed"YvideoYmentionedYmanyYwaysYtoYpreventYstormwaterYrunoff.Y
WhichYofYtheseYwaysYisYcategorizedYasYaYgreenYinfrastructureYpractice?
YPlantingYgrasses
YTilingYlandYless
YBeingYcarefulYofYtheYamountYofYfertilizerYusedY
YUsingYrainYgardensY-YANS--
TheYcorrectYresponseYisYusingYraingardens.YTheYotherYoptionsYcanYbeYusedYtoYpreventY
stormwaterYrunoff,YbutYareYnotYcategorizedYasYaYgreenYinfrastructureYpractice.YInstead,Yt
heyYcouldYbeYusedYindependentlyYorYalongYwithYgreenYinfrastructureYpractices.
WhatYisYstormwater?
oYAYbox-
likeYstructureYorYpitYbeneathYaYstormYsewerYinletYusedYtoYcollectYsurfaceYwaterYdrainageY
orYrunoff
oYUndergroundYlayersYofYporousYrockYsaturatedYwithYwater
oYWaterYthatYmovesYoverYorYsitsYonYtopYofYtheYgroundYsuchYasYcreeksYstreamsYriversYla
kesYwetlandsYandYoceans
oYWaterYoriginatingYfromYrainfallYorYmeltingYsnowYthatYrunsYoffYacrossYtheYlandYinsteadYo
fYinfiltratingYinYtoYtheYground.Y-YANS--
oYWaterYoriginatingYfromYrainfallYorYmeltingYsnowYthatYrunsYoffYacrossYtheYlandYinsteadYo
fYinfiltratingYinYtoYtheYground.
WhichYofYtheYfollowingYdescribeYhowYstormwaterYrunoffYimpactsYtheYenvironment?
YChooseY3.
oYPollutantYrunoffYintoYwaterways
,oYImprovedYwaterYquality
oYLandYandYstreambankYerosion
oYBenefitYtoYwildlifeYhabitats
oYPotentialYFloodingY-YANS--oYPollutantYrunoffYintoYwaterways
oYLandYandYstreambankYerosion
oYPotentialYFlooding
WhichYofYtheYfollowingYdescribeYwhyYitYisYimportantYtoYmanageYstormwaterYrunoff?
YChooseY3
oYMeetYCWAYrequirements
oYEnsureYpublicYsafety
oYIncreaseYtheYamountYofYdevelopment
oYProtectYfishYandYotherYaquaticYlifeY-YANS--oYMeetYCWAYrequirements
oYEnsureYpublicYsafety
oYProtectYfishYandYotherYaquaticYlife
WhichYofYtheYfollowingYdescribesYGreyYInfrastructure
oYAnYareaYofYlandYwithinYwhichYwaterYfromYrainYorYsnowmeltYdrainsYintoYaYsingleYbodyYo
fYwater.
oYConstructedYstructuresYsuchYasYtreatmentYfacilitiesYsewerYsystemsYstormwaterYsyste
msYorYstorageYbasins.
oYStormwaterYmanagementYpracticesYthatYprotect,YrestoreYorYmimicYtheYnaturalYwaterYc
ycle.
oYSurfacesYwhereYrainYorYmeltingYsnowYandYiceYcanYpassYthroughYtheYsurfaceYintoYtheYs
olidYofYsub-baseYbelow.Y-YANS--
oYConstructedYstructuresYsuchYasYtreatmentYfacilitiesYsewerYsystemsYstormwaterYsyste
msYorYstorageYbasins.
AYnewYhousingYdevelopmentYisYbeingYconstructedYnearby.YTheYstormwaterYrunoffYonYth
eYsiteYisYbeingYcollectedYandYconveyedYviaYpipesYandYpumps.YWhichYofYtheseYdescribes
YtheYmethodYbeingYusedYtoYmanageYstormwaterYrunoff?
oYGreyYinfrastructure
oYNon-NativeYVegetation
oYGreenYinfrastructure
oYRainwaterYharvestingY-YANS--oYGreyYinfrastructure
WhichYofYtheYfollowingYdescribesYbenefitsYofYgreenYinfrastructure?
oYWaterYqualityYtreatment
oYFlowYcontrol
oYHabitat
oYAestheticsY
oYCoolingY(reducingYheatYislandYeffect)
oYAllYofYtheYaboveY-YANS--oYAllYofYtheYabove
•YWhichYofYtheYfollowingYareYgreenYinfrastructureYpractices?YChooseY3.
oYStormYdrain
,oYPonds
oYRainYBarrel
oYRainYGarden
oYGreenYroofY-YANS--oYRainYBarrel
oYRainYGarden
oYGreenYroof
•YWhichYofYtheYfollowingYdescribesYtheYdifferenceYbetweenY"Detention"YandY"retention"?
YChooseY2.
oYDetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease.
oYRetentionYisYtheYprocessYofYcontinuouslyYholding,YstoryingYstormwaterYuntilYitYevapora
tes,YinfiltratesYorYisYusedYbyYvegetation.
oYRetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease
oYDetentionYisYtheYprocessYofYcontinuouslyYholdingYorYstoringYstormwaterYuntilYitYevapor
atesYinfiltratesYorYisYusedYbyYvegetation.Y-YANS--
oYDetentionYisYtheYprocessYofYmanagingYstormwaterYrunoffYorYsewerYflowsYthroughYaYte
mporaryYholdingYandYcontrolledYrelease.
oYRetentionYisYtheYprocessYofYcontinuouslyYholding,YstoringYstormwaterYuntilYitYevaporat
es,YinfiltratesYorYisYusedYbyYvegetation.
•YWhichYofYtheYfollowingYdescribesYaYwatershed
oYAnYapproachYtoYstormwaterYmanagementYthatYprotectsYrestoresYorYmimicsYtheYnatural
YwaterYcycle
oYTheYnaturalYcontinuousYprocessYwhereYwaterYfallsYfromYtheYskyYasYprecipitationYinfiltra
tesYorYrunsYoffYtheYlandYsurfaceYandYreturnsYtoYtheYskyYthroughYevaporationYorYtranspira
tion
oYAnYareaYofYlandYthatYdrainsYallYtheYrainfallYandYstreamsYtoYaYcommonYoutletYsuchYasYt
heYoutflowYofYaYreservoirYmouthYofYaYbayYorYanyYpointYalongYaYstreamYchannel.Y-YANS--
oYAnYareaYofYlandYthatYdrainsYallYtheYrainfallYandYstreamsYtoYaYcommonYoutletYsuchYasYt
heYoutflowYofYaYreservoirYmouthYofYaYbayYorYanyYpointYalongYaYstreamYchannel.
oYUseYtheYsoilYtriangleYbelow,YwhichYofYtheYfollowingYsoilYtypesYisY30%Ysand,Y30%YclayY
andY40Y%Ysilt?
YSandyYloam
YSandyYclayYloam
YClayYloamY
YSandyYclayY-YANS--ClayYloam
oYUseYtheYsoilYtriangleYbelow,YandYtheYvideo,YwhichYofYtheYfollowingYisYtrueYofYtheYsoilYty
peYthatYisY70%Yclay,Y20%YsiltYandY10%YsandYchooseY2.
YSlowestYtoYabsorbYwater
YHoldsYitsYshapeYwhenYwet
YWhenYpickedYupYhasYaYflowerYorYpoweredYfeel
YMakeYupYofYlargeYgranulesY-YANS--SlowestYtoYabsorbYwater
, Y HoldsYitsYshapeYwhenYwet
oYAsYmentionedYinYtheYTypesYofYsoilYvideoYwhichYofYtheYfollowingYabilitiesYmakeYsoilYval
uable?
YAbsorbingYandYretainingYwater
YProvidingYnutrients
YAnchoringYplants
YProvidingYaYhomeYtoYmanyYformsYofYlife
YAllYofYtheYaboveY-YANS--AllYofYtheYabove
oYAsYmentionedYinYtheYTypesYofYsoilYvideoYwhichYofYtheYfollowingYisYreferencedYasYtheYI
dealYmixYforYplanting?
YSiltY
YLoam
YSand
YClayY-YANS--Loam
oYTheYsubgradeYofYaYbioretentionYfacilityYneedsYtoYbeYcompactedYtoYsupportYhealthyYgro
wthYofYvegetation?
YTrue
YFalseY-YANS--False
WhichYofYtheYfollowingYdefinesY"infiltration"?ChooseY2.
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
oYOccursYwhenYprecipitationYfallsYonYimperviousYsurfacesYandYflowsYtoYnearbyYsurfaceY
waterways.
oYRefersYtoYsurfacesYthatYdoYnotYallowYwaterYtoYpassYthroughYtheYmaterial,YsuchYasYpav
edYroadways,YconcreteYsidewalks,Yrooftops,Yetc.
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwaterY-YANS--
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
oYOccursYwhenYprecipitationYfallsYonYperviousYareasYandYsoaksYdownYthroughYtheYsoilYl
ayerYandYeventuallyYrechargesYgroundwater
WhichYofYtheYfollowingYdescribesYtopsoil?
oYAYlayerYofYmaterialYplacedYoverYbareYsoil,YusuallyYmadeYupYofYpartiallyYcompostedYorg
anicYmaterialsYsuchYasYshreddedYhardwood,YtreeYbarkYorYleaves
oYSturdyYconstructionYandYlandscapingYaggregateYthatYisYcommonlyYusedYunderYbuildin
gYpads,Ybases,Ydriveways,Yetc.
oYAYgeosyntheticYmaterialY(oftenYplasticYstrandsYorYstripsYjoinedYinYaYgrid)YusedYtoYreinfo
rceYsoilsYandYaggregates
oYTheYNutrientYrichYlayerYthatYprovidesYaYgrowingYmediaYforYvegetation,YoverallYsoilYstru
cture,YandYregulationYofYmoistureYcontent.Y-YANS--