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  • TCEQ Wastewater Class D License
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CLASS D WATER OPERATOR LICENSE EXAM TCEQ LATEST 2026/2027 ACTUAL EXAM WITH 200 QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

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Institution TCEQ Wastewater Class D License
Course TCEQ Wastewater Class D License
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CLASS D WATER OPERATOR LICENSE EXAM TCEQ LATEST 2026/2027 ACTUAL EXAM WITH 200 QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

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CLASS D WATER OPERATOR
LICENSE EXAM TCEQ LATEST
2026/2027 ACTUAL EXAM WITH 200
QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1.
T/F:mInmTexas,maboutm75%mofmallmwatermismusedmformcommercial,mindustrial,mormagricultural
mpurposes.m-mCORRECTmANSWERmTrue




2. Watermcoversmapproximatelym________mofmEarth'smsurface.m-mCORRECTmANSWERm71%



3. Droughtmismanmextendedmperiodmwhenmamregionmreceivesmamdeficiencyminmitsm________mw
atermsupply.m-mCORRECTmANSWERmatmospheric,mground,mormsurface



4. T/F:mOnlymaboutm1mgallonmofmtapmwatermpermperson/daymismusedmformdrinkingmandmcooking
m-mCORRECTmANSWERmTrue




5. Excludingmoutsidemwatermuse,mthemaveragemhouseholdmusesmaboutm_______mgallonsmofmw
atermpermmonthmforminsidemusem-mCORRECTmANSWERm2,000



6. T/F:mOnlym3%mofmallmthemfreshmwatermonmearthmcanmbemeasilymaccessedmformuse.m-
mCORRECTmANSWERmFalsem(onlym1%)




7. T/F:mInm1978,mthemTexasmDepartmentmofmHealthm(TDH)massumedmprimacymovermthemSafemD
rinkingmWatermActmfrommthemEPA.m-mCORRECTmANSWERmTrue

,8. T/F:mPWSmofficialsmshouldmbempro-activeminmtheirmapproachmtomterrorism.m-
mCORRECTmANSWERmTrue




9. _________mpermitsmthemownermofmamwellmtompumpmasmmuchmwatermasmdesired,mevenmifmt
hemwatermismdrainedmfrommbeneathmthemlandmofmothers.m-
mCORRECTmANSWERmRulemofmCapture




10. InmTexas,magriculturalmwatermdemandmaccountsmformaboutm___%mofmthemtotalmwatermused.
m-mCORRECTmANSWERm57%




11. T/F:mAnmexamplemofmamnon-transientmnon-communitymPWSmismamruralmschool.m-
mCORRECTmANSWERmTrue




12. Monitoringmaveragemandmmaximummdailymwaterm______menablesmusmtomplanmaheadmformg
rowth.m-mCORRECTmANSWERmDemand



13. T/F:mThemSafemDrinkingmWatermActmsetsmstandardsmformdrinkingmwatermincludingmphysical,m
chemical,mbacteriological,mandmradiologicalmcharacteristics.m-mCORRECTmANSWERmTrue



14. "Potable"mmeansmwatermismsafemtomdrinkmandmhasmammeasurablemchlorinem________.m-
mCORRECTmANSWERmResidual




15. Themplantmoperatormismresponsiblemformamsufficientmsupplymofmsafemandm________mdrinkin
gmwater.m-mCORRECTmANSWERmPalatable



16. T/F:mThemTexasmStatemBoardmofmFiremInsurancemrequiresmutilitiesmthatmprovidemfiremprotecti
onmtomhavemamminimummamountmofmwatermavailablembasedmonm30mgalsmpermpersonmpermd
ay.m-mCORRECTmANSWERmFalsem(130mgalsmpermpersonmpermday)

, 17. T/F:mThemprimarymstatemregulatormofmwatermutilitiesmismthemTCEQ.m-
mCORRECTmANSWERmTrue




18. T/F:mAllmcommunitymandmnon-transientmnon-
communitymPWS,mregardlessmofmsourcemofmwater,mmustmbemundermthemsupervisionmofmamli
censedmwatermworksmoperator.m-mCORRECTmANSWERmTrue



19. Metermreadersmbringminmoperatingmrevenuemandmprofoundlymimpactm_____mrelations.m-
mCORRECTmANSWERmPublic




20. Themfederalmregulatormofmdrinkingmwatermismthem_____.m-mCORRECTmANSWERmEPA



21. T/F:mDutiesmofmdistributionmoperatormincludemrepairingmleaks,mmakingmtaps,mflushingmmain
s,mandmtakingmradiologicalmsamples.m-
mCORRECTmANSWERmFalsem(Repairmleaks,mMakemtaps,mFlushmmains,mOperatempumps,mTake


m*bacteriological*msamples)




22. Amservicemareamhasm1000mservicemconnections.mWhatmcanmwemestimatemthempopulationmof
mthismservicemareamtombe?m-mCORRECTmANSWERm3,000m(multiplymconnectionsmxm3)




23. T/F:mThemStatemmustmbemnotifiedmaftermanmexistingmfacilitymismchangedmormaftermconstructi
onmofmamnewmfacility.m-mCORRECTmANSWERmFalsem(mustmnotifym*before*)



24. T/F:mAmClassm"D"mlicensemismvalidmform2myearsmatmgroundmandmpurchasemwatermsystemsmwit
hm250mconnectionsmormless.m-mCORRECTmANSWERmFalsem(3myears)



25. T/F:mThemphysicalmcharacteristicsmofmwatermaremcolor,mtaste,modor,mtemperature,mandmturb
idity.m-mCORRECTmANSWERmTrue

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