Use the Following Sites to Answer the Questions Below

Water Quality Internet Research

Name: ______

Use the following sites to answer the questions below:

(first result googling EPA water contaminants)

(Google northern Kentucky water quality, second result is a pdf)

1) Search the NKY water quality report for a map showing service area. Which service system does Campbell County High School fall under? (If reference is needed, look up CCHS on google maps) ______

Read the first three pages of the water quality report and answer the following:

2) How many locations are monitored each month by the lab analysts? ______

3) What are the five types of possible contaminants in source water?

4) When was the last year Cryptosporidium was found in the Ohio River? ______

5) Is the water at CCHS treated with UV light? ______

Find the water quality contaminant table that is for the system that serves CCHS.

6) What is the Average Level Detected for chlorine? ______ppm. What is the Maximum Contaminant Level (MCL) allowed by the EPA? ______ppm.

7) What is the purpose of adding chlorine to the water? What are the health effects of chlorine?

8) What is the ALD of fluoride? ______ppm. What is the MCL? ______ppm.

What is the purpose of adding fluoride to our water? What the health effects if the MCL is exceeded?

9) What is the ALD of nitrate? ______ppm. What is the MCL? ______ppm.

What are the typical sources of nitrate contamination? What are the possible health effects if an infant consumes greater than the MCL of nitrate?

10) What is turbidity? What is its source? What could it mean about the water and why?

11) What is the ALD of haloacetic acids? _____ ppb. What is the MCL? ______ppb.

12) What is the ALD of total trihalomethanes? _____ ppb. What is the MCL? ______ppb.

13) Haloacetic acids and trihalomethanes are byproducts of adding which chemical in the water purification process? ______

14) What possible health effect do both haloacetic acids and trihalomethanes have in common? Knowing this, do you think this step in the water purification process is worth it?

Look again at the page with the map on the quality report.

15) What are the two main metal contaminants on this page and what are their concentrations?

16) Why are these metals the most likely to be found in tap water? What are the health effects for each of these metals?

17) Were there any EPA violations found in CCHS water? ______

Bonus: What is the pH of CCHS water? ______What is the pH of distilled water? ______Knowing this, does this make CCHS slightly acidic or basic? ______