What is primary disinfection and secondary disinfection?
Primary disinfection first inactivates or kills microorganisms. Secondary disinfection maintains a disinfectant level in the pipelines to kill any organisms that may recover from primary treatment or be introduced into the distribution system through water main breaks, leaks or backflow.

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1. What precautions must dialysis providers take?
2. Is monochloramine safe for my salt and freshwater fish?
3. Do I need to change the way I treat my swimming pool water?
4. What is drinking water disinfection?
5. What is primary disinfection and secondary disinfection?
6. Why is disinfection important?
7. Will chloramine irritate my skin or lungs while swimming in a pool?
8. Why are disinfection byproducts a public health concern?
9. Will my home filtration system be affected?
10. Are plants affected by water treated with monochloramine?
11. Does drinking water treated with monochloramine have increased lead levels?
12. What is monochloramine?
13. How common is monochloramine used to treat drinking water in the U.S.?
14. Is monochloramine safe?
15. Can I drink and cook with monochloramine-treated water?
16. Is it safe to wash an open wound with monochloramine-treated water?
17. I’ve heard that some people have experienced rashes or breathing problems. Is monochloramine to blame?
18. Can monochloraminated water interact with my medications?
19. My new home has a pool. Do I have treat the swimming pool water in a special manner?
20. Are home filtration systems affected by water treated with monochloramine?
21. Why can’t I let my tap water sit a few days to remove monochloramine?
22. Is monochloramine-treated water safe for my dog, cat, ferret, monkey, parrot, parakeet, or other pets?
23. If I water the lawn, will the runoff harm the environment?