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Water Treatment 3 > Safe Drinking Water Act > Flashcards

Safe Drinking Water Act Flashcards

1
Q

What is a Public Water System

A

15 or more connections, 25 or more individuals, at least 60 days out of the year

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2
Q

What are the two types of Non-Community Water Systems

A

Non-Transient and Transient Systems

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3
Q

What is the Maximum residual disinfectant level (MRDL)?

A

a level of a disinfectant added for water treatment that may not be exceeded at the consumers tap

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4
Q

What is the MRDL for Chlorine?

A

4.0 as Cl2

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5
Q

What is the MRDL for Chloramines

A

4.0 as Cl2

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6
Q

What is the MRDL for Chorine Dioxide

A

0.8 as ClO2

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7
Q

What is a Primary Drinking water regulation?

A

In place to protect the health of persons

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8
Q

What is a Secondary Drinking Water regulation?

A

In place to protect the welfare of persons

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9
Q

What is a MCL?

A

Maximum Contaminant Level

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10
Q

What is the MCL for Fluoride?

A

4.0 mg/l

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11
Q

What is the MCL for Turbidity?

A

0.3 NTU as a monthly average, greater that 1 NTU anytime

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12
Q

What is the MCLG for microbiological contaminates?

A

Zero

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13
Q

When would you have to notify the public about Microbiological contamination?

A

After a positive repeat sample following a positive routine sample, For failure to take all required repeat samples following a positive routine sample, or failure to test for E Coli following a positive total coliform repeat sample

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14
Q

What is the MCL for Iron?

A

0.3 mg/l

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15
Q

What is the MCL for Manganese?

A

0.05 mg/l

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16
Q

What is the MCL for odor?

A

3 TON

17
Q

What does TON stand for?

A

Threshold Odor Number

18
Q

When do odor complaints usually begin?

A

@ 5 TON

19
Q

Does the operator in direct charge have to be certified?

A

YES

20
Q

How long do you have to turn in your MORs?

A

10 days after the end of the month.

21
Q

What is the recommended disinfection agent?

A

Chlorine

22
Q

What is the minimum free chlorine residual in the distribution system?

A

0.2 in 95% of the samples taken during any 2 consecutive months

23
Q

How long do you have to begin a microbiological examination after taking a sample?

A

30 hours.

24
Q

What are the three parts of a Cross Connection Program?

A

A policy or ordinance prohibiting cross connections, a written plan to detect and eliminate cross connections, and an ongoing program for the detection and elimination of hazards.

25
Q

What is the minimum positive pressure that must be maintained in the distribution system?

A

20 psi

26
Q

How long do you keep Microbiological records?

A

5 Years

27
Q

How long do you keep Chemical analysis records?

A

10 Years

28
Q

How long do you keep lead and copper records?

A

12 Years

29
Q

How long do you keep actions regarding violations?

A

3 Years

30
Q

How long do you keep customer complaints?

A

5 Years

31
Q

How long do you keep sanitary surveys?

A

10 Years

Water Treatment 3 (5 decks)

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