What is MCL? - (correct Answer) - Maximum Contaminent Level (MCL)
A public water system is any system that serves a population greater that or equal to ? - (correct Answer)
- 15 services connections or 25 people regulary
What is the Maximum total chlorine residual allowed by the Disinfectant-Disinfection By-Prouducts Rule
- (correct Answer) - 4 mg/l
What type of contaminant is Iron? - (correct Answer) - Secondary
Which Primary Contaminant is sometimes added to water supplies to prevent tooth decay? - (correct
Answer) - Fluoride
The Failure of a public water system to comply with the NM Drinking Water Regulations must be
reported to NMED within? - (correct Answer) - 48 hours
The MCl for Total Trihalomethanes is? - (correct Answer) - 0.1mg/l
SDWA sampling results must be reported to ? - (correct Answer) - New Mexico Enviroment Department
(NMED)
Ground water systems must sample for inorganic chemicals every? - (correct Answer) - (3) Three Years
The SDWA Compliance Cycle for Standardized Monitoring Rule consists of Three? - (correct Answer) -
Compliance Periods
How many bacterilogical samples(BAC-T) must be taken every month before a system is allowed to have
TWO positive samples without violating the drinking water standard? - (correct Answer) - 40 or less then
5% on monthly samples
What are the action levels for Lead and Copper? - (correct Answer) - 0.015 mg/l Lead 1.3 mg/l Copper
If Bacteriological retakes are done this month what is the minimum number of samples that must be
turned in next month? - (correct Answer) - 5 samples
if a 3-log removal is required for Giardia Lamblia what percentage of organisms can survive and still meet
requirements ? - (correct Answer) - 0.1 %
which Primary Inorganic Contaminant poses an immediate health risk? - (correct Answer) - Nitrates
Why do Nitrates poses immediate health risk? - (correct Answer) - Pregnant mothers and infants under
18 months can develop a condition known as Blue Baby Syndrome
What is Blue Baby Syndrome? - (correct Answer) - The Presence of Nitrates in the bloodstream that
reduces oxygen uptake that gives the skin a blue tint
Why is Turbidity a Primary Contaminant? - (correct Answer) - It shields harmful bacteria from disinfection
processes
What is a Nephelometer? - (correct Answer) - Device used to measure NTU's
Turbidity is Measured with? - (correct Answer) - Turbidimeter or Nephelometer
, How Long must chemical sampling results be kept? - (correct Answer) - 10 Years
How long must Bacteriological sampling results be kept? - (correct Answer) - 5 years
What is the definitioin of a indicator organism? - (correct Answer) - microorganisms whose presence in
water indicates probable presence of pathogens (disease-causing organisms).
What is Sodium Thiosulphate? - (correct Answer) - white powder used to Neutralize any chlorine that
may kill bacteria
Why should you Flush sample line before sampling? - (correct Answer) - To insure the water being
sampled is from the main and not the customers plumbling
Which factor is used to determine how many Bac-t samples must be taken? - (correct Answer) - Number
of people served
What is the minimim number of Bac-T sample(s) required each month? - (correct Answer) - 1
Anytime the MCL is exceeded and fecal coliform positive results come back from any of the sample(s)? -
(correct Answer) - It is a Non-acute violation
If Retakes are required this month what is the minimum number of samples required next month? -
(correct Answer) - 5
Which bacteria are found only in surface water supplies? - (correct Answer) - Cryptosporidium & Giardia
What must be done on a sample form to identify a Bac-T sample is from a well and is not a compliance
sample? - (correct Answer) - Checking Speacial Sample on the form and identifying the type of sample in
the Remarks line
How soon must NMED be notified that a Bacterial MCL has been exceeded? - (correct Answer) - 24 hours
what is a indicator organism - (correct Answer) - Coliform group
what are the waterborne pathogens found in all water supplies? - (correct Answer) - Typhoid , Cholera ,
Dysentery , Hepatitis , Paratyphoid (types A & B)
what is pathogens - (correct Answer) - Disease causing Bacteria
Water is called the ______ solvent? - (correct Answer) - Universal
What are the two sources of water ? - (correct Answer) - Ground & Surface
What is the word used to identify water that is safe to drink? - (correct Answer) - Potable
Water cycles from the atmosphere to the earth and bcak to the atmosphere. what is this natural water
cycle called? - (correct Answer) - Hydrologic Cycle
As part of the normal water cycle water is lost,or givenup, to the atmosphere by trees and by
evaporation from the surface of streams,lakes and oceans. This combined loss is called? - (correct
Answer) - Evapotranspiration
A public water system is any system that serves a population greater that or equal to ? - (correct Answer)
- 15 services connections or 25 people regulary
What is the Maximum total chlorine residual allowed by the Disinfectant-Disinfection By-Prouducts Rule
- (correct Answer) - 4 mg/l
What type of contaminant is Iron? - (correct Answer) - Secondary
Which Primary Contaminant is sometimes added to water supplies to prevent tooth decay? - (correct
Answer) - Fluoride
The Failure of a public water system to comply with the NM Drinking Water Regulations must be
reported to NMED within? - (correct Answer) - 48 hours
The MCl for Total Trihalomethanes is? - (correct Answer) - 0.1mg/l
SDWA sampling results must be reported to ? - (correct Answer) - New Mexico Enviroment Department
(NMED)
Ground water systems must sample for inorganic chemicals every? - (correct Answer) - (3) Three Years
The SDWA Compliance Cycle for Standardized Monitoring Rule consists of Three? - (correct Answer) -
Compliance Periods
How many bacterilogical samples(BAC-T) must be taken every month before a system is allowed to have
TWO positive samples without violating the drinking water standard? - (correct Answer) - 40 or less then
5% on monthly samples
What are the action levels for Lead and Copper? - (correct Answer) - 0.015 mg/l Lead 1.3 mg/l Copper
If Bacteriological retakes are done this month what is the minimum number of samples that must be
turned in next month? - (correct Answer) - 5 samples
if a 3-log removal is required for Giardia Lamblia what percentage of organisms can survive and still meet
requirements ? - (correct Answer) - 0.1 %
which Primary Inorganic Contaminant poses an immediate health risk? - (correct Answer) - Nitrates
Why do Nitrates poses immediate health risk? - (correct Answer) - Pregnant mothers and infants under
18 months can develop a condition known as Blue Baby Syndrome
What is Blue Baby Syndrome? - (correct Answer) - The Presence of Nitrates in the bloodstream that
reduces oxygen uptake that gives the skin a blue tint
Why is Turbidity a Primary Contaminant? - (correct Answer) - It shields harmful bacteria from disinfection
processes
What is a Nephelometer? - (correct Answer) - Device used to measure NTU's
Turbidity is Measured with? - (correct Answer) - Turbidimeter or Nephelometer
, How Long must chemical sampling results be kept? - (correct Answer) - 10 Years
How long must Bacteriological sampling results be kept? - (correct Answer) - 5 years
What is the definitioin of a indicator organism? - (correct Answer) - microorganisms whose presence in
water indicates probable presence of pathogens (disease-causing organisms).
What is Sodium Thiosulphate? - (correct Answer) - white powder used to Neutralize any chlorine that
may kill bacteria
Why should you Flush sample line before sampling? - (correct Answer) - To insure the water being
sampled is from the main and not the customers plumbling
Which factor is used to determine how many Bac-t samples must be taken? - (correct Answer) - Number
of people served
What is the minimim number of Bac-T sample(s) required each month? - (correct Answer) - 1
Anytime the MCL is exceeded and fecal coliform positive results come back from any of the sample(s)? -
(correct Answer) - It is a Non-acute violation
If Retakes are required this month what is the minimum number of samples required next month? -
(correct Answer) - 5
Which bacteria are found only in surface water supplies? - (correct Answer) - Cryptosporidium & Giardia
What must be done on a sample form to identify a Bac-T sample is from a well and is not a compliance
sample? - (correct Answer) - Checking Speacial Sample on the form and identifying the type of sample in
the Remarks line
How soon must NMED be notified that a Bacterial MCL has been exceeded? - (correct Answer) - 24 hours
what is a indicator organism - (correct Answer) - Coliform group
what are the waterborne pathogens found in all water supplies? - (correct Answer) - Typhoid , Cholera ,
Dysentery , Hepatitis , Paratyphoid (types A & B)
what is pathogens - (correct Answer) - Disease causing Bacteria
Water is called the ______ solvent? - (correct Answer) - Universal
What are the two sources of water ? - (correct Answer) - Ground & Surface
What is the word used to identify water that is safe to drink? - (correct Answer) - Potable
Water cycles from the atmosphere to the earth and bcak to the atmosphere. what is this natural water
cycle called? - (correct Answer) - Hydrologic Cycle
As part of the normal water cycle water is lost,or givenup, to the atmosphere by trees and by
evaporation from the surface of streams,lakes and oceans. This combined loss is called? - (correct
Answer) - Evapotranspiration
