D2 Water Distribution Test (Questions And Answers) 100% Correct

D2 Water Distribution Test (Questions And
nn nn nn nn nn nn




Answers) 100% Correct nn nn nn

nn
nn

What nnis nnthe nnprimary nnpurpose nnof nnthe nnSDWA? nn - nnCORRECT nnANSWER-To
nncreate nnuniform nn
nn
national nnstandards nnfor nndrinking nnwater
nnquality
nn

Who nnsets nnMaximum nnContaminants nnLevels nn(MCLs)? nn- nnCORRECT nnANSWER-
USEPA nn
nn

What nnare nnsome nnof nnthe nnduties nnof nnthe nnEPA? nn- nnCORRECT nnANSWER-Sets nnMCLs,
nndelegates nn


enforcement nnof nnSDWA nnto nnstate nnagencies, nnprovides nngrant nnfunds, nnmonitors nnstate
nnactivities, nn
nn
provides nncontinued

nnresearch
nn

What nnis nnstate nnprimacy? nn- nnCORRECT nnANSWER-Giving nnthe nnauthority nnto
nnthe nnstate nnto nn
nn
implement nnand nnenforce

nnregulations
nn

True nnor nnFalse: nnState nnrequirements nnmust nnbe nnat nnleast nnas nnstringent nnas nnthose nnset
nnby nnUSEPA nn
nn
- nnCORRECT nnANSWER-
True.
nn

A nnpublic nnwater nnsystem nnis nna nnsystem nnthat nnsupplies nnpiped nnwater nnfor nnhuman
nnconsumption nnand nnthat nnhas nnat nnleast nn___ nnservice nnconnections nnor nnserves nn___ nnor

nnmore nnpersons nnfor nn___ nnor nnmore nndays nnof nnthe nnyear. nn- nnCORRECT nnANSWER-15,

nn25, nn60 nn
nn

What nnis nnan nnnontransient, nnnoncommunity nnpublic nnwater nnsystem? nnGive nnan nnexample
nnof nnone. nn-
nn
CORRECT nnANSWER-Establishments nnwith nntheir nnown nnprivate nnwater nnsystems nn
nnthat nnserve


an nnaverage nnof nn25 nnpersons nnthat nndo nnnot nnlive nnat nnthe nnlocation, nnbut nnthe nnsame
nnpeople nnuse nnthe
nn
water nnfor nnmore nnthan nn6 nnmonths nnper nnyear. nnExample: nnschool
nnor nnfactory
nn

What nnis nna nntransient, nnnoncommunity nnpublic nnwater nnsystem? nnGive nnan nnexample nnof
nnone. nn- nnCORRECT nnANSWER-Establishments nnwith nnown nnwater nnsystem nnand nnserve

,nnat nnleast nn25 nnpersons nna nnday nnbut nnthese nnpeople nnonly nnuse nnthe nnwater nnoccasionally
nnand nnfor nnshort nnperiods nnof nntime. nnExample: nnMotel nnor nnPark nn
nn

What nnis nna nncommunity nnpublic nnwater nnsystem? nnGive nnan nnexample nnof nnone. nn-
nnCORRECT nnANSWER-Establishments nnwith nntheir nnown nnwater nnsupply nnthat nnserve

nnmore nnthan nn15 nnhomes. nnExample: nnHOA, nnor nnmunicipal nnwater nnutilities nn
nn

Which nnof nnthe nnpublic nnwater nnsystems nnare nnrequired nnto nnonly nnmonitor nnfor nnnitrate,
nnnitrite, nnand nn
nn
microbiological nncontamination? nn- nnCORRECT nnANSWER-transient,

nnnoncommunity
nn

What nndoes nnthe nnNational nnPrimary nnDrinking nnWater nnRegulations nn(NPDWRs)
nnspecify? nn- nnCORRECT nnANSWER-MCLs nnor nna nntreatment nntechnique nnrequirement

nnfor nncontaminants nnthat nnmay nnbe nnfound nnin nndrinking nnwater nnand nncould nnhave nnan

nnadverse nnhealth nneffect nnon nnhumans nnWhat nndoes nnthe nnNational nnSecondary nnDrinking

nnWater nnRegulations nn(NPDWRs) nnspecify? nn- nnCORRECT nnANSWER-water

nncontaminants nnthat nnmay nnadversely nnaffect nnaesthetic nnqualities nnof nnthe nnwater nnsuch

nnas nntaste, nnodor nnor nncolor nn
nn

When nnmust nnan nnagency nnpost nna nnpublic nnnotification? nn- nnCORRECT nnANSWER-
When nnthe nnwater nnsystem nnviolates nnany nnof nnthe nnoperating, nnmonitoring nnor nnreporting
nnrequirements nnor nnif nnthey nnexceed nnthe nnMCL nn
nn

Lead nnand nnCopper nnRule nn(LCR) nn- nnCORRECT nnANSWER-Requires nnthat nnsamples
nnbe nncollected nnat nncustomers nntaps nnafter nnthe nnwater nnhas nnremained nnundisturbed nnin

nnthe nnwater nnpiping nnfor nnat nnleast nn6 nnhrs nn
nn

True nnor nnFalse: nnsystem nnoperators nnare nnrequired nnto nnregularly nncollect nnand
nntest nnwater nn
nn
samples. nn- nnCORRECT nnANSWER-
true
nn

True nnor nnFalse: nnWater nnquality nncannot nnchange nnafter nnit nnenter nnthe nndistribution
nnsystem. nn-
nn
CORRECT nnANSWER-false nn-blending, nnseason, nnoperational
nnchanges
nn

What nnare nnthe nn4 nnmethods nnof nncollecting nnsamples? nn- nnCORRECT nnANSWER-Grab
nnsample, nn
nn
composite nnsample, nntime nncomposite nnsample, nnflow-proportional nncomposite
nnsample
nn

What nnis nna nngrab nnsample? nn- nnCORRECT nnANSWER-A nnsingle nnsample nnat nna nnsingle
nnlocation nn
nn

What nnis nna nncomposite nn sample? nn- nn CORRECT nn ANSWER-A nnseries nnof nngrab
nnsamples nnat nnone nn

, nn
place nnand nn at nn different
nntimes
nn

What nnis nna nntime nncomposite nnsample? nn- nnCORRECT nnANSWER-Equal nnvolumes
nnat nnregular nn
nn
intervals
nn

What nnis nna nnflow nnproportional nncomposite nnsample? nn- nnCORRECT nnANSWER-
Adjusting nnthe nn
nn
sample nnsize nnproportional nnto nnthe
nnflow
nn

How nndo nnyou nnselect nna nnsample nnpoint? nn- nnCORRECT nnANSWER-As nnclose nnto
nnthe nnmain nnas nn
nn
possible
nn

True nnor nnfalse: nnIt nnis nnrequired nnfor nnsamples nnto nnbe nntaken nnfrom nngroundwater
nnunder nnthe nndirect nn
nn
influence nnof nnsurface nnwater. nn- nnCORRECT
nnANSWER-true
nn

What nnare nnSanitary nnSurveys? nn- nnCORRECT nn ANSWER-On nn site nn annual
nninspection nnof nna nn
nn
water nnsystem's nnfacilities nnand
nnoperation.
nn

What nnare nnsome nnthe nnrequirements nnthat nnthe nnState nnestablishes nnto nnensure
nnproper nnwater nn


system nnoperation? nn- nnCORRECT nnANSWER-Operator nnCertification, nnsanitary
nnsurveys, nn
nn
enforcement
nn

What nnare nnthe nn3 nnmain nnareas nnof nnconcern nnto nndistribution nnoperators? nn- nnCORRECT
nnANSWER-
nn
microbiological nnsafety, nndisinfection nnby nnproducts,
nnlead
nn

Total nncoliform nnrule nn- nnCORRECT nnANSWER-to nnrequire nnsurveillance nnof nntotal
nncoliform nn
nn
bacteria
nn

When nnyou nnhave nna nnpositive nnsample nnfor nncoliform nnyou nnneed nnto nntake nnanother
nntest nnwithin nn
nn
___hrs? nn- nnCORRECT nnANSWER-
24
nn

What nnare nnthe nndifferent nndisinfectants? nn- nnCORRECT nnANSWER-physical nnand
nnchemical nn