Drinking water Regulations

According to the total coliform rule, if a community drinking water system server a populations of 1,000 or more, and one of the routine samples, is found to be Total Coliform positive, how many repeat samples are required to be collected ?

3

How many repeat samples are required if a bacteriological sample test positive and where are the samples required to be taken ?

3 samples, one at the same location , one five connections up stream and one five connections down stream.

Surface water sources shall monitor for radioactivity at least once every _____.

3 years

The executive Secretary shall ensure that sanitary survey is conducted every _____ on all public water systems?

3 years

If water system is notified that routine bacteria sample has been invalidated because of interference, or the results are indeterminate. What must the drinking water system do?

Re-sample at the original location within 24-hours of notification.

How should public notifications be given for violations of maximum contaminant levels that pose an acute risk to public health ?

The address of chemical suppliers Potential adverse health effects Names of doctors that can help cure the situations

The Utah Public Drinking Water Rules require an improvement Priority System to be used to provide information on each public drinking water system. What does the IPS indicate or reflect?

The condition and performance of the drinking water system's physical facilities

What is the combined effluent turbidity that must be maintained in 95% of the samples by public water system, according to enhanced surface water treatment rule?

no greater than 0.3

According to the Utah Public Drinking Water Regulations, bacteriological sample results must be kept for a minimum of ______.

5 years

What is the limit for turbidity in drinking water from ground water?

5.0 NTU

What type of water system must monitor for manmade radioactivity?

All community water systems serving over 100,000 people, surface sources only, and deemed vulnerable by Executive Secretary

Which of the following is not regulated contaminate, which an MCL , of drinking water ?

Aluminum

Turbidity meters are required at clear well or effluent of the plant. where else are they required?

Backwash tank

All public water system must retain which one of the following records for at least five years?

Bacteriological sampling results Back flow assembles test reports

When chlorination is used, to what level must chlorine be added to water?

In sufficient quantity to achieve "breakpoint"

Lead and copper initial monitoring requires that the sample be taken from_____.

Kitchen or bathroom taps tier 1 homes built between 1982-1986

The abbreviation MCL refers to water terms in water industry

Maximum contaminant level

When a system is supported to take 50 Bac-T samples per month and only takes 40, nut next month samples 60 samples, what kind of violation is this or is this a violation?

Monitoring violation

How often must community drinking water systems collect the minimum number of bacteriological samples in order to meet State an federal regulations?

Monthly

For a system that collects less than 40 total coliform samples per month, how many samples can be total coliform-positive

No more than 1 sample

For water system that collects 40 or more total coliform samples per month, how many samples may be total coliform positive.

No more than 5 percent

What criteria is used to determine how many routine total coliform samples need to be collected each month?

Numbers of population served

How often should surface water systems be tested for inorganic chemicals?

Once per year

Upon acknowledgement of reduced monitoring for TTHMs in ground water sources by Department of environment Quality, a water utility may reduce total THMs monitoring to a minimum of:

One sample per quarter

A public notice that is required after receiving an MCL violation must include:

Potential adverse health effects

Primary responsibility for sampling according to Utah Public Drinking Water Regulations lies with the _________.

Public drinking water purveyor or drinking water system

What type of required water analysis utilizes the unit picocurie in the results?

Radionuclides

What is MCL for THMs?

0.080 mg/L or 80 ppb

If your drinking water system is notified of an acute water quality violation, you must notify the public. One of the media that will be used for this notification is electronic media. How soon must you utilize this media after notification of an acute violation?

Within 72 Hours

Routine bacteriological and plant production reports must be submitted to the appropriate regulatory agency by utility doing the testing:

Within the first 10 days following the month analyses

Records of bacteriological analyses shall be kept for not less than five years. Records of chemical analyses shall be kept for a period of what time period?

10 Years

According to EPA regulations, every public drinking water system that serves a population of at least 25 individual and at least _________ service connections will come under primary agency jurisdiction for enforcement purpose.

15

Any addition to, or modification of, an existing public water system, which will or may, affect the quality and/or quantity of water supply must _________.

Be approved by executive Secretary of drinking water board.

According to the TCR, if your drinking water system incurs an acute violation you must notify the public within 24 hours. One of the Media that will be used for this notification is the Eletronic media. How do you use electronic media?

By furnishing a copy of the notice to the radio and television stations serving the area by the system

If a system has a positive routine sample and is, then notified that fecal coliform or E. coli are confirmed present in the repeat water sample, when shall the system notify the executive Secretary of drinking water board?

By the end of the same day that the system is notified

What influence the amount of points accrued against a water system IPS report?

Conditions of physical facilities Bacteriologic monitoring history Chemical monitoring history

No chemical or other substance may be added to public water supplies unless the chemical additions facilities and chemical type have been approved. Who can grant approval?

Department of environment Quality or division of drinking water

If any routine sample, repeat sample , or additional sample is total coliform positive, the sample shall be analyzed to determine if _______ are present.

E.coli and/or fecal coliforms

Which one of the following organisms will results in positive bacteriological test ?

Escherichia Coliform (E.coli)

If the laboratory confirms the presence of _______ in drinking water sample then the drinking water system will receive an acute violation.

Escherichia coil

If an "emergency situation" arises, who must you notify and how do you notify them?

Executive Secretary or the local health department must be informed by telephone within 8 hours

Why do water systems test for coliform bacteria?

The presence of the bacteria is an indication that the water may contain pathogens

What type of public water system is defined as serving water to different people who have short term exposure?

Transient non-community water system

What factors should be considered when degerming representative sampling points for coliform samples?

Uniform distribution of the sample points through the distribution system

Who is responsible for adoption and enforcements of the Utah Public Drinking water rules?

Utah Public Drinking Water Board