WATER OPERATOR CERTIFICATION
STUDY MATERIAL ( NEW MEXICO)
(BASIC) QUESTIONS AND ACCURATE
ANSWERS
Maximum00Contaminent00Level00-00ans-MCL
Public00water00system00is00a00system00that00serves00a00population00of00___00or00more00regula
rly00-00ans-25
Maximum00total00chlorine00residual00___00mg/l00-00ans-4
What00type00of00contaminant00is00Iron00-00ans-Secondary
Primary00contaminant00is00sometimes00added00to00water00supplies00to00prevent00tooth00deca
y00-00ans-Fluoride
The00Failure00of00a00public00water00system00to00comply00with00the00NM00Drinking00Water00Re
gulations00must00be00reported00to00NMED00within00___00hours00-00ans-48
MCL00for00Total00Trihalomethanes00___00mg/l00-00ans-0.1
SDWA00sampling00results00must00be00reported00to00-00ans-
New00Mexico00Enviroment00Department00(NMED)
Ground00water00systems00must00sample00for00inorganic00chemicals00every00___00years00-
00ans-3
The00SDWA00Compliance00Cycle00for00Standardized00Monitoring00Rule00consists00of00___00
Compliance00Periods00-00ans-3
___00or00less00than005%00bacteriological00samples00must00be00taken00every00month00before00
a00system00is00allowed00to00have00TWO00positive00samples00without00violating00the00drinking0
0water00standard?00-00ans-40
Action00level00for00Lead00___00mg/l00-00ans-0.015
If00Bacteriological00retakes00are00done00this00month00what00is00the00minimum00number00of00s
amples00that00must00be00turned00in00next00month?00-00ans-5
, if00a003-
log00removal00is00required00for00Giardia00Lamblia00what00percentage00of00organisms00can00s
urvive00and00still00meet00requirements00-00ans-0.1
Primary00Inorganic00Contaminant00poses00an00immediate00health00risk00-00ans-Nitrates
The00Presence00of00Nitrates00in00the00bloodstream00that00reduces00oxygen00uptake00that00giv
es00the00skin00a00blue00tint00-00ans-Blue00Baby00Syndrome
Primary00Contaminant00that00shields00harmful00bacteria00from00disinfection00processes00-
00ans-Turbidity
Device00used00to00measure00NTU's00-00ans-Nephelometer
Turbidity00is00Measured00with00-00ans-Turbidimeter00or00Nephelometer
Chemical00sampling00results00be00kept00___00years00-00ans-10
Bacteriological00sampling00results00be00kept00___00years00-00ans-5
Microorganisms00whose00presence00in00water00indicates00probable00presence00of00pathoge
ns.00-00ans-Indicator00organism
White00powder00used00to00neutralize00chlorine00-00ans-Sodium00Thiosulphate
To00insure00the00water00being00sampled00is00from00the00main00and00not00the00customers00plu
mbling00-00ans-Flush00line
Number00is00used00to00determine00how00many00Bac-t00samples00must00be00taken00-00ans-
People00served
Minimum00number00of00Bac-T00samples00required00each00month?00-00ans-1
Anytime00the00MCL00is00exceeded00and00fecal00coliform00positive00results00come00back00fro
m00any00of00the00samples00-00ans-Non-acute00violation
If00retakes00are00required00this00month00what00is00the00minimum00number00of00samples00requi
red00next00month00-00ans-5
Bacteria00that00are00found00only00in00surface00water00supplies00-00ans-
Cryptosporidium00&00Giardia
How00soon00must00NMED00be00notified00that00a00Bacterial00MCL00has00been00exceeded?
00___00hours00-00ans-24
Coliform00group00-00ans-Indicator00organism
STUDY MATERIAL ( NEW MEXICO)
(BASIC) QUESTIONS AND ACCURATE
ANSWERS
Maximum00Contaminent00Level00-00ans-MCL
Public00water00system00is00a00system00that00serves00a00population00of00___00or00more00regula
rly00-00ans-25
Maximum00total00chlorine00residual00___00mg/l00-00ans-4
What00type00of00contaminant00is00Iron00-00ans-Secondary
Primary00contaminant00is00sometimes00added00to00water00supplies00to00prevent00tooth00deca
y00-00ans-Fluoride
The00Failure00of00a00public00water00system00to00comply00with00the00NM00Drinking00Water00Re
gulations00must00be00reported00to00NMED00within00___00hours00-00ans-48
MCL00for00Total00Trihalomethanes00___00mg/l00-00ans-0.1
SDWA00sampling00results00must00be00reported00to00-00ans-
New00Mexico00Enviroment00Department00(NMED)
Ground00water00systems00must00sample00for00inorganic00chemicals00every00___00years00-
00ans-3
The00SDWA00Compliance00Cycle00for00Standardized00Monitoring00Rule00consists00of00___00
Compliance00Periods00-00ans-3
___00or00less00than005%00bacteriological00samples00must00be00taken00every00month00before00
a00system00is00allowed00to00have00TWO00positive00samples00without00violating00the00drinking0
0water00standard?00-00ans-40
Action00level00for00Lead00___00mg/l00-00ans-0.015
If00Bacteriological00retakes00are00done00this00month00what00is00the00minimum00number00of00s
amples00that00must00be00turned00in00next00month?00-00ans-5
, if00a003-
log00removal00is00required00for00Giardia00Lamblia00what00percentage00of00organisms00can00s
urvive00and00still00meet00requirements00-00ans-0.1
Primary00Inorganic00Contaminant00poses00an00immediate00health00risk00-00ans-Nitrates
The00Presence00of00Nitrates00in00the00bloodstream00that00reduces00oxygen00uptake00that00giv
es00the00skin00a00blue00tint00-00ans-Blue00Baby00Syndrome
Primary00Contaminant00that00shields00harmful00bacteria00from00disinfection00processes00-
00ans-Turbidity
Device00used00to00measure00NTU's00-00ans-Nephelometer
Turbidity00is00Measured00with00-00ans-Turbidimeter00or00Nephelometer
Chemical00sampling00results00be00kept00___00years00-00ans-10
Bacteriological00sampling00results00be00kept00___00years00-00ans-5
Microorganisms00whose00presence00in00water00indicates00probable00presence00of00pathoge
ns.00-00ans-Indicator00organism
White00powder00used00to00neutralize00chlorine00-00ans-Sodium00Thiosulphate
To00insure00the00water00being00sampled00is00from00the00main00and00not00the00customers00plu
mbling00-00ans-Flush00line
Number00is00used00to00determine00how00many00Bac-t00samples00must00be00taken00-00ans-
People00served
Minimum00number00of00Bac-T00samples00required00each00month?00-00ans-1
Anytime00the00MCL00is00exceeded00and00fecal00coliform00positive00results00come00back00fro
m00any00of00the00samples00-00ans-Non-acute00violation
If00retakes00are00required00this00month00what00is00the00minimum00number00of00samples00requi
red00next00month00-00ans-5
Bacteria00that00are00found00only00in00surface00water00supplies00-00ans-
Cryptosporidium00&00Giardia
How00soon00must00NMED00be00notified00that00a00Bacterial00MCL00has00been00exceeded?
00___00hours00-00ans-24
Coliform00group00-00ans-Indicator00organism