CLASS D WATER OPERATOR LICENSE EXAM TCEQ QUESTIONS AND CORRECT ANSWERS

CLASS D WATER OPERATOR
LICENSE EXAM TCEQ QUESTIONS
AND CORRECT ANSWERS
T/
F:A2InA2Texas,A2aboutA275%A2ofA2allA2waterA2isA2usedA2forA2commercial,A2industrial,A2orA2a
griculturalA2purposes.A2-A2Ans--True

WaterA2coversA2approximatelyA2________A2ofA2Earth'sA2surface.A2-A2Ans--71%

DroughtA2isA2anA2extendedA2periodA2whenA2aA2regionA2receivesA2aA2deficiencyA2inA2itsA2__
______A2waterA2supply.A2-A2Ans--atmospheric,A2ground,A2orA2surface

T/F:A2OnlyA2aboutA21A2gallonA2ofA2tapA2waterA2perA2person/
dayA2isA2usedA2forA2drinkingA2andA2cookingA2-A2Ans--True

ExcludingA2outsideA2waterA2use,A2theA2averageA2householdA2usesA2aboutA2_______A2gall
onsA2ofA2waterA2perA2monthA2forA2insideA2useA2-A2Ans--2,000

T/
F:A2OnlyA23%A2ofA2allA2theA2freshA2waterA2onA2earthA2canA2beA2easilyA2accessedA2forA2use.
A2-A2Ans--FalseA2(onlyA21%)


T/
F:A2InA21978,A2theA2TexasA2DepartmentA2ofA2HealthA2(TDH)A2assumedA2primacyA2overA2th
eA2SafeA2DrinkingA2WaterA2ActA2fromA2theA2EPA.A2-A2Ans--True

T/F:A2PWSA2officialsA2shouldA2beA2pro-activeA2inA2theirA2approachA2toA2terrorism.A2-
A2Ans--True


_________A2permitsA2theA2ownerA2ofA2aA2wellA2toA2pumpA2asA2muchA2waterA2asA2desired,
A2evenA2ifA2theA2waterA2isA2drainedA2fromA2beneathA2theA2landA2ofA2others.A2-A2Ans--
RuleA2ofA2Capture

InA2Texas,A2agriculturalA2waterA2demandA2accountsA2forA2aboutA2___
%A2ofA2theA2totalA2waterA2used.A2-A2Ans--57%

T/F:A2AnA2exampleA2ofA2aA2non-transientA2non-communityA2PWSA2isA2aA2ruralA2school.A2-
A2Ans--True


MonitoringA2averageA2andA2maximumA2dailyA2waterA2______A2enablesA2usA2toA2planA2ahe
adA2forA2growth.A2-A2Ans--Demand

,T/
F:A2TheA2SafeA2DrinkingA2WaterA2ActA2setsA2standardsA2forA2drinkingA2waterA2includingA2p
hysical,A2chemical,A2bacteriological,A2andA2radiologicalA2characteristics.A2-A2Ans--True

"Potable"A2meansA2waterA2isA2safeA2toA2drinkA2andA2hasA2aA2measurableA2chlorineA2____
____.A2-A2Ans--Residual

TheA2plantA2operatorA2isA2responsibleA2forA2aA2sufficientA2supplyA2ofA2safeA2andA2_______
_A2drinkingA2water.A2-A2Ans--Palatable

T/
F:A2TheA2TexasA2StateA2BoardA2ofA2FireA2InsuranceA2requiresA2utilitiesA2thatA2provideA2fire
A2protectionA2toA2haveA2aA2minimumA2amountA2ofA2waterA2availableA2basedA2onA230A2gals
A2perA2personA2perA2day.A2-A2Ans--FalseA2(130A2galsA2perA2personA2perA2day)


T/F:A2TheA2primaryA2stateA2regulatorA2ofA2waterA2utilitiesA2isA2theA2TCEQ.A2-A2Ans--True

T/F:A2AllA2communityA2andA2non-transientA2non-
communityA2PWS,A2regardlessA2ofA2sourceA2ofA2water,A2mustA2beA2underA2theA2supervisi
onA2ofA2aA2licensedA2waterA2worksA2operator.A2-A2Ans--True

MeterA2readersA2bringA2inA2operatingA2revenueA2andA2profoundlyA2impactA2_____A2relatio
ns.A2-A2Ans--Public

TheA2federalA2regulatorA2ofA2drinkingA2waterA2isA2theA2_____.A2-A2Ans--EPA

T/
F:A2DutiesA2ofA2distributionA2operatorA2includeA2repairingA2leaks,A2makingA2taps,A2flushing
A2mains,A2andA2takingA2radiologicalA2samples.A2-A2Ans--
FalseA2(RepairA2leaks,A2MakeA2taps,A2FlushA2mains,A2OperateA2pumps,A2TakeA2*bacteriol
ogical*A2samples)

AA2serviceA2areaA2hasA21000A2serviceA2connections.A2WhatA2canA2weA2estimateA2theA2po
pulationA2ofA2thisA2serviceA2areaA2toA2be?A2-A2Ans--3,000A2(multiplyA2connectionsA2xA23)

T/
F:A2TheA2StateA2mustA2beA2notifiedA2afterA2anA2existingA2facilityA2isA2changedA2orA2afterA2c
onstructionA2ofA2aA2newA2facility.A2-A2Ans--FalseA2(mustA2notifyA2*before*)

T/
F:A2AA2ClassA2"D"A2licenseA2isA2validA2forA22A2yearsA2atA2groundA2andA2purchaseA2waterA2s
ystemsA2withA2250A2connectionsA2orA2less.A2-A2Ans--FalseA2(3A2years)

, T/
F:A2TheA2physicalA2characteristicsA2ofA2waterA2areA2color,A2taste,A2odor,A2temperature,A2a
ndA2turbidity.A2-A2Ans--True

AnA2alkalineA2orA2basicA2solutionA2hasA2aA2pHA2greaterA2thanA2____.A2-A2Ans--7

T/F:A2TheA2termsA2mg/LA2andA2ppmA2areA2notA2interchangeable.A2-A2Ans--
FalseA2(theyA2areA2interchangeable)

SuspendedA2solidsA2inA2waterA2cannotA2beA2filteredA2out.A2-A2Ans--FalseA2(theyA2can)

Solids,A2waterA2hardness,A2pHA2andA2gasesA2areA2____A2characteristics.A2-A2Ans--
Chemical

T/
F:A2ThereA2areA22A2hydrogenA2atomsA2andA21A2oxygenA2atomA2inA2eachA2waterA2molecule
.A2-A2Ans--True

T/
F:A2TheA2StateA2recommendsA2aA2waterA2pHA2ofA2lessA2thanA27A2toA2beA2maintainedA2atA2
allA2time.A2-A2Ans--
FalseA2(TheA2stateA2recommendsA2aA2pHA2slightlyA2greaterA2thanA27A2andA2forA2theA2water
A2toA2beA2non-corrosive.)


T/
F:A2TasteA2andA2odorA2canA2comeA2fromA2organismsA2suchA2asA2vegetation,A2bacteria,A2a
ndA2algae,A2andA2fromA2certainA2chemicalsA2andA2metals.A2-A2Ans--True

T/F:A2TheA2deeperA2theA2well,A2theA2warmerA2theA2water.A2-A2Ans--True

T/
F:A2TheA2thresholdA2odorA2numberA2(TON)A2relatesA2toA2theA2numberA2ofA2dilutionsA2need
edA2forA2theA2waterA2toA2beA2tasteless.A2-A2Ans--
FalseA2(ItA2reflectsA2theA2numberA2ofA2dilutionsA2neededA2forA2waterA2sampleA2toA2beA2*od
orless*)

OneA2partA2perA2millionA2orA21A2mg/
LA2meansA2thatA2forA2everyA2____A2poundsA2ofA2waterA2thereA2isA2oneA2poundA2ofA2materi
alA2inA2it.A2-A2Ans--1A2million

TheA2StateA2requiresA2filteredA2waterA2toA2beA2equalA2toA2orA2lessA2thanA2____A2turbidityA2
unitsA2inA2atA2leastA295%A2ofA2theA2monthlyA2samples.A2-A2Ans--0.3

TheA2StateA2recommendsA2aA2TONA2ofA2___A2orA2less.A2-A2Ans--3