AWWA Water Quality Testing

Question 1

What is the ideal pH range for drinking water as per AWWA guidelines?

Accepted Answer

6.5 - 8.5

Answer

4.5 - 6.5

Answer

7.5 - 9.5

Answer

5.0 - 7.0

Question 2

What is the maximum allowable turbidity level for drinking water under AWWA standards?

Accepted Answer

0.3 NTU

Answer

0.1 NTU

Answer

1.0 NTU

Answer

5.0 NTU

Question 3

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

Accepted Answer

0.2 mg/L

Answer

0.5 mg/L

Answer

1.0 mg/L

Answer

2.0 mg/L

Question 4

Which contaminant is monitored to ensure compliance with nitrate levels in drinking water?

Accepted Answer

NO₃

Answer

NO₂

Answer

NH₄

Answer

NO₂ and NO₃

Question 5

What is the purpose of testing for Total Coliform in water systems?

Accepted Answer

To identify potential fecal contamination

Answer

To measure the chemical contamination

Answer

To test for sediment levels

Answer

To evaluate dissolved oxygen